Lowrance Electronic Lms 480Df Users Manual 480M And DF Owners

LMS-480M to the manual e5db506f-6302-4dd2-ae65-0211bbcda97d

2015-02-05

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Pub. 988-0151-181

www.lowrance.com

LMS-480M, LMS-480DF

Fish-finding Sonar & Mapping GPS

Operation Instructions

Lowrance® is a registered trademark of Lowrance Electronics, Inc.

Navionics is a registered trademark of Navionics, Inc.

Points of Interest Data in this unit are by infoUSA,

trademark of infoUSA, Inc.

eXitSource Database, copyright  2001-2003 Zenrin Co.

Ltd. Exit Authority and eXitSource are trademarks of

Zenrin Co. Ltd.

Lowrance Electronics may find it necessary to change or end our

policies, regulations and special offers at any time. We reserve the right

to do so without notice. All features and specifications subject to change

without notice. All screens in this manual are simulated. On the cover:

LMS-480M shown. Other models covered in the manual are similar.

For free owner's manuals and other information,

visit our web site:

www.lowrance.com

Lowrance Electronics Inc.

12000 E. Skelly Dr.

Tulsa, OK USA 74128-2486

Printed in USA.

Table of Contents

Sec. 1: Read Me First! ............................................................... 1

Capabilities and Specifications: LMS-480 and LMS-480DF........ 3

How LMS-480 Sonar Works ......................................................... 5

How LMS-480 GPS Works ........................................................... 6

Introduction to GPS and WAAS................................................... 8

How to Use this Manual: Typographical Conventions.............. 10

Sec. 2: Installation & Accessories ........................................13

Preparations................................................................................ 13

Transducer Installation.............................................................. 13

Selecting a Transducer Location............................................ 14

How Low Should You Go?....................................................... 15

Shoot-Thru-Hull vs. Transom Mounting ............................... 16

Transom Transducer Assembly and Mounting ..................... 17

Trolling Motor Bracket Installation....................................... 23

Transducer Orientation and Fish Arches .............................. 23

Shoot-Thru-Hull Preparation and Installation ..................... 24

Speed/Temperature Sensors....................................................... 28

GPS Antenna/Receiver Module .................................................. 30

Power Connections...................................................................... 31

Powering a NMEA-2000 Buss ................................................ 31

Powering your Unit................................................................. 32

NMEA 0183/DGPS Cable Connections...................................... 34

NMEA/DGPS Wiring .............................................................. 34

Mounting the Unit: Bracket, In-Dash or Portable .................... 36

MMC or SD Card Memory Card Installation ............................ 39

Other Accessories........................................................................ 41

Face Cover................................................................................... 42

Sec. 3: Basic Sonar Operation............................................... 43

Keyboard ..................................................................................... 43

Power/Lights (Turn Unit On and Off) ....................................... 44

Main Menu .................................................................................. 44

Pages ........................................................................................... 46

Satellite Status Page .............................................................. 46

Navigation Page...................................................................... 47

Map Page................................................................................. 47

Sonar Page .............................................................................. 48

Basic Sonar Quick Reference ............................................... 51

Sonar Operations ........................................................................ 52

Sec. 4: Sonar Options & Other Features ............................ 57

ASP (Advanced Signal Processing) ......................................... 57

Alarms ......................................................................................... 58

Depth Alarms .......................................................................... 58

Zone Alarm .............................................................................. 59

Fish Alarm............................................................................... 60

Calibrate Speed........................................................................... 61

Chart Speed................................................................................. 62

Depth Cursor............................................................................... 62

Depth Range - Automatic ........................................................... 63

Depth Range - Manual................................................................ 64

Depth Range - Upper and Lower Limits ................................... 65

FasTrack.................................................................................. 66

Fish I.D. (Fish Symbols & Depths) ......................................... 67

FishTrack................................................................................. 68

FishReveal............................................................................... 69

Frequency (Change Transducer Frequency) ............................. 71

Grayline..................................................................................... 72

HyperScroll.............................................................................. 74

Log Sonar Chart Data ................................................................ 74

Noise Rejection............................................................................ 75

Overlay Data ............................................................................... 75

Change Displayed Data Font Size ......................................... 76

Ping Speed & HyperScroll....................................................... 77

Reset Options .............................................................................. 79

Reset Water Distance ................................................................. 79

Set Keel Offset ............................................................................ 79

Sensitivity & Auto Sensitivity.................................................... 81

Turn Auto Sensitivity Back on:.............................................. 82

Sonar Color Mode........................................................................ 82

Sonar Page & Sonar Chart Display Options ............................. 83

Full Sonar Chart ..................................................................... 83

Split Zoom Sonar Chart.......................................................... 84

Split Frequency Sonar Chart (LMS-480DF only).................. 84

Digital Data/Chart .................................................................. 85

Flashgraf.............................................................................. 87

Map with Sonar Split Screen ................................................. 88

Sonar Simulator.......................................................................... 88

Stop Chart ................................................................................... 90

Surface Clarity............................................................................ 91

Upper and Lower Limits ............................................................ 92

Zoom & Zoom Bar ....................................................................... 92

Zoom Pan..................................................................................... 93

Sec. 5: Sonar Troubleshooting.............................................. 95

Sec. 6: Basic GPS Operations................................................ 99

Keyboard ..................................................................................... 99

Power/Lights (Turn Unit On and Off) ..................................... 100

iii

Main Menu ................................................................................ 100

Pages ......................................................................................... 102

Sonar Page ............................................................................ 102

Satellite Status Page ............................................................ 102

Navigation Page.................................................................... 104

Map Page............................................................................... 106

Background Map vs. MapCreate Map Content ............ 108

Basic GPS Quick Reference ................................................ 112

Find your Current Position ...................................................... 113

Moving around the Map: Zoom & Cursor Arrow Keys............ 113

Selecting any Map Item with the Cursor ................................ 114

Searching................................................................................... 114

Set a Waypoint.......................................................................... 116

Create Waypoint at Current Position .................................. 117

Create Waypoint on Map...................................................... 118

Create Waypoint by Entering a Position ............................. 118

Navigate to a Waypoint ............................................................ 118

Set Man Overboard (MOB) Waypoint...................................... 119

Navigate Back to MOB Waypoint ........................................ 119

Navigate to Cursor Position on Map........................................ 120

Navigate to a Point of Interest................................................. 121

Creating and Saving a Trail..................................................... 122

Displaying a Saved Trail .......................................................... 124

Navigating Trails...................................................................... 124

Visual Trailing ...................................................................... 125

Navigate a Trail (Forward)................................................... 125

Navigate a Back Trail (Backtrack, or Reverse) ................... 127

Transfer Custom Maps and GPS Data Files ........................... 128

Cancel Navigation..................................................................... 130

Sec. 7: Advanced GPS Operations .....................................131

Find Distance from Current Position to Another Location .... 131

Find Distance from Point to Point ........................................... 131

Icons........................................................................................... 132

Create Icon on Map............................................................... 132

Create Icon at Current Position ........................................... 132

Delete an Icon ....................................................................... 132

Navigate to an Icon............................................................... 133

Routes........................................................................................ 133

Create and Save a Route ...................................................... 134

Delete a Route ....................................................................... 137

Edit a Route Name................................................................ 137

Edit Route Waypoints........................................................... 137

Navigate a Route................................................................... 138

Navigate a Route in Reverse ................................................ 139

Trails ......................................................................................... 140

Delete a Trail ........................................................................ 140

Edit a Trail Name ................................................................. 140

Edit a Trail Color .................................................................. 140

Edit a Trail Pattern .............................................................. 141

Utilities...................................................................................... 141

Alarm Clock........................................................................... 141

Sun/Moon Rise & Set Calculator.......................................... 141

Trip Calculator...................................................................... 141

Trip Down Timer................................................................... 141

Trip Up Timer ....................................................................... 141

Waypoints.................................................................................. 142

Delete a Waypoint................................................................. 142

Edit a Waypoint (Name, Symbol and Position) ................... 142

Selecting a Waypoint ............................................................ 143

Set a Waypoint by Average Position .................................... 143

Set a Waypoint by Projecting a Position.............................. 143

Sec. 8: System & GPS Setup Options................................. 145

Alarms ....................................................................................... 145

Auto Satellite Search................................................................ 146

Check MMC Files and Storage Space...................................... 147

Communications Port Configuration ....................................... 147

Configure DGPS........................................................................ 148

Configure NMEA ...................................................................... 149

Coordinate System Selection.................................................... 149

Setup Loran TD..................................................................... 151

Map Fix ..................................................................................... 151

Customize Page Displays ......................................................... 152

DGPS Status ............................................................................. 153

GPS Simulator .......................................................................... 153

Simulating Trail or Route Navigation ................................. 154

Hide GPS Features ................................................................... 155

Initialize GPS............................................................................ 155

Map Auto Zoom......................................................................... 155

Map Data................................................................................... 156

Show Map Data..................................................................... 156

Pop-Up Map Information...................................................... 156

Map Boundaries .................................................................... 156

Fill Water with White........................................................... 157

Map Overlays (Range Rings; Lat/Long Grid) ...................... 157

Map Datum Selection ............................................................... 157

Map Detail Category Selection................................................. 158

Map Orientation ....................................................................... 158

Navionics Charts..................................................................... 160

Display a Navionics Chart:................................................... 160

Port Information ................................................................... 161

Tidal Current Information ................................................... 162

Tide Information ................................................................... 163

Pop-Up Help.............................................................................. 165

Position Pinning........................................................................ 165

Reset Options ............................................................................ 166

Require DGPS ........................................................................... 166

Screen Contrast and Brightness .............................................. 167

Set Language ............................................................................ 168

Set Local Time .......................................................................... 168

Show WAAS Alarm................................................................... 169

Software Version Information.................................................. 169

Sounds and Alarm Sound Styles.............................................. 170

Track Smoothing....................................................................... 170

Trail Options ............................................................................. 171

Delete All Trails .................................................................... 171

Flash Trails on Screen Option.............................................. 171

Update Trail Option.............................................................. 172

Update Trail Criteria (Auto, Time, Distance).................. 172

Trail Update Rate (Time, Distance)................................. 172

Delete Trail ........................................................................... 173

New Trail............................................................................... 173

Trail Visible/Invisible and Other Trail Options .................. 173

Units of Measure....................................................................... 173

Sec. 9: Searching.................................................................... 175

Find Addresses.......................................................................... 175

Find any Item Selected by Map Cursor ................................... 178

Find Interstate Highway Exits ................................................ 179

Find Map Places or Points of Interest (POI) ........................... 181

Find Streets or Intersections.................................................... 183

Find Waypoints......................................................................... 187

Sec. 10: Supplemental Material.......................................... 191

Index......................................................................................... 197

WARNING!

A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD

TO OBTAIN POSITION INFORMATION.

CAUTION

When showing navigation data to a position (waypoint), a GPS unit will show

the shortest, most direct path to the waypoint. It provides navigation data to the

waypoint regardless of obstructions. Therefore, the prudent navigator will not

only take advantage of all available navigation tools when traveling to a way-

point, but will also visually check to make sure a clear, safe path to the waypoint

is always available.

WARNING!

When a GPS unit is used in a vehicle, the vehicle operator is solely re-

sponsible for operating the vehicle in a safe manner. Vehicle operators

must maintain full surveillance of all pertinent driving, boating or fly-

ing conditions at all times. An accident or collision resulting in damage

to property, personal injury or death could occur if the operator of a

GPS-equipped vehicle fails to pay full attention to travel conditions and

vehicle operation while the vehicle is in motion.

Section 1: Read Me First!

How this manual can get you out on the road, fast!

Welcome to the exciting world of digital sonar and GPS! We know

you're anxious to begin navigating and finding fish, but we have a favor

to ask. Before you grab the unit and begin installing it, please give us a

moment or two to explain how our manual can help you get the best

performance from your compact, wide-screen, combination fish finder

and mapping GPS receiver.

First, we want to thank you for buying a Lowrance sonar/GPS unit.

Whether you're a first time user or a professional fisherman, you'll dis-

cover that your unit is easy to use, yet capable of handling demanding

navigation and sonar tasks. When you team your unit with our custom

mapping software MapCreate 6, you have an incredible combination.

You won't find another combination GPS and sonar unit with this much

power and this many features for this price!

Our goal for this book is to get you on the water fast, with a minimum

of fuss. Like you, we'd rather spend more time boating or fishing and

less time reading the manual!

So, we designed our book so that you don't have to read the whole thing

from front to back for the information you want. At the start (or end) of

each segment, we'll tell you what content is coming up next. If it's a

concept you're already familiar with, we'll show you how and where to

skip ahead for the next important topic. We've also made it easy to look

up any tips you may need from time to time. Here's how:

The manual is organized into 10 sections. This first section is an intro-

duction to the LMS-480 or LMS-480DF, sonar and GPS. It tells you the

basics you need to know before you can make the unit look around and

tell you where you are, or look below the surface to find some fish.

Section 2 will help you install your unit, the transducer and the GPS

antenna module. We'll show you how to get the MultiMedia Card

(MMC) correctly installed inside the unit. We'll also tell you about some

of the available accessories.

Section 3 covers Basic Sonar Operation. It will show you how easy it is

to run your LMS-480 series sonar, right out of the box. This section fea-

tures a one-page Sonar Quick Reference. (If you've already jumped

ahead and figured out how to install the unit yourself, and you

just can't wait any longer, turn to the Quick Reference on page

51 and head for the water with your LMS-480!)

After you've gained some experience with your sonar, you'll want to

check out Section 4, which discusses more advanced Sonar Options and

Other Features.

When you come to a sonar menu command on the LMS-480 screen, you can

look it up in the manual by skimming over the table of contents, just flip-

ping through Section 3 or scanning through the sonar options in Section 4.

If you're having difficulty with your sonar, you can find an answer to

the most common problems in Section 5, Sonar Troubleshooting.

The manual switches from sonar to navigation in Section 6, which in-

troduces you to Basic GPS Operations. This section features a one-

page GPS Quick Reference on page 112.

Section 6 contains short, easy-to-scan GPS lessons that follow one an-

other in chronological order. They're all you'll need to know to find your

way on the water quickly.

After you've learned the basics (or if you already have some GPS expe-

rience), you may want to try out some of LMS-480's many advanced

navigation features. That brings us to Section 7, Advanced GPS Opera-

tions. This section contains the rest of LMS-480's GPS command func-

tions, organized in alphabetical order.

When you come to a GPS menu command on the LMS-480 screen, you

can look it up in the manual by skimming over the table of contents,

just flipping through Section 6 or scanning through the command por-

tion of Section 7.

LMS-480 is ready to use right out of the box, but you can fine tune and

customize it's operation with dozens of options. Since sonar is the unit's

key feature, we put the main sonar options in Section 4. Some options,

such as screen brightness settings, affect both sonar and GPS opera-

tions. We describe how to use those common options along with GPS

options in Section 8, System Setup and GPS Setup Options. Section 8 is

organized in alphabetical order.

In Section 9, we go into more detail on one of LMS-480's most remarkable

GPS capabilities — Searching. We'll introduce a search example in the Ba-

sic GPS Operation section, but there are so many map items you can

search for, we had to give this function it's own section in the manual! For

example, did you know LMS-480 can look up business phone numbers,

functioning as a virtual Yellow Pages? We’ll show you how in Section 9.

Finally, in Section 10, we offer Supplemental Material, including a list

of the GPS datums used, warranties and customer service information.

Now, if you're into the fine details, glance over the next segment on

specifications to see just how much sonar and GPS power your unit con-

tains. It's important to us (and our power users), but, if you don't care

how many watts of power the unit has, or how many waypoints LMS-480

can store, skip ahead to important information on how LMS-480 sonar

works, on page 5. (Background on GPS begins on page 6.)

Capabilities and Specifications: LMS-480 and LMS-480DF

General

Display:............................ 5.0" (12.7 cm) diagonal high contrast Film

SuperTwist LCD; programmable to viewing

preference.

Resolution:...................... 480 pixel x 480 pixel resolution; 230,400 total

pixels; 10-level gray scale definition.

Backlighting:.................. Incandescent backlit screen with multiple

lighting levels; backlit keypad.

Input power:................... 10 to 15 volts DC.

Current drain: ............... Sonar only: 500 ma lights off; 600 ma lights

on. With GPS and lights on: 700 ma.

Case size:......................... 5.4" H x 6.9" W x 3.4" D (13.8 x 17.6 x 8.6

cm); sealed and waterproof; suitable for

saltwater use.

MMC slots: ...................... One with waterproof door (SD card compati-

ble).

Recording:........................ GPS uses MMC & SD cards for recording trip

details and displaying charts or custom maps.

Sonar uses them to record and save sonar

chart logs.

Back-up memory: .......... Built-in memory stores sonar records and

GPS data for decades. User settings are

stored when unit is turned off.

Languages:...................... 10; menu languages selectable by user.

Sonar

Frequency:...................... LMS-480DF: 50/200 kHz.

LMS-480: 200 kHz.

Transducers: .................... A dual-frequency Skimmer transducer with

built-in temperature sensor is packed with the

LMS-480DF. It has 35°/12° cone angles. A sin-

gle-frequency Skimmer transducer with built-

in temperature sensor is packed with the

LMS-480. It has a 20° cone angle. Transducers

operate at speeds up to 70 mph (61 kts).

Transmitter: ................... 3,000 watts peak-to-peak/375 watts RMS.

Sonar sounding

depth capability: ........... LMS-480DF: 2,500 feet/762 meters.

LMS-480: 1,000 feet/305 meters.

(Actual capability depends on transducer

configuration and installation, bottom com-

position and water conditions. All sonar

units typically read deeper in fresh water

than in salt water.)

Depth display:................ Continuous display.

Graph recording:........... More than 256 MB on one MMC (or SD) card

Audible alarms: ............. Deep/shallow/fish/zone.

Automatic ranging:....... Yes, with instant screen updates.

Auto bottom track:........ Yes

Zoom bottom track: ...... Yes.

Split-screen zoom:......... Yes.

Surface water temp: ..... Yes, built into transducer.

Speed/distance log: ....... Yes, with optional speed sensor (sensor in-

cluded with LMS-480DF.)

GPS

Receiver/antenna:............External; LGC-2000 12 parallel channel

NMEA-2000-ready GPS/WAAS re-

ceiver/antenna; DGPS beacon receiver optional.

Background map:.......... Built-in custom, detailed Lowrance map.

Contains: enhanced detail of continental U.S.

and Hawaii. Includes more than 60,000 nav

aids and 10,000 wrecks/obstructions in

coastal and Great Lakes waters. Metro ar-

eas, selected major streets/highways and in-

terstate exit services details included.

Custom mapping: .......... MapCreate 6 software optional; optional

LEI FreedomMaps offer the same high-

detail without the work of MapCreate; Navi-

onics charts on MMC cards optional.

Mapping memory:............More than 256 MB on one MMC (or SD) card.

Position updates: .......... Every second.

Position points: ............. 1,000 waypoints; 1,000 event marker icons.

Audible alarms: ............. Arrival/off-course/anchor.

Graphic symbols for

waypoints or event

marker icons: ................. 42.

Routes:............................. 100; up to 100 waypoints per route.

Plot Trails: ...................... 10 savable; up to 9,999 points per trail.

Zoom range:.................... 39 ranges; 0.02 to 4,000 miles.

NOTE:

The above memory capacities refer only to LMS-480's on-board

memory. The amount of GPS or sonar data you can record and save

for recall later is only limited by the number of MMC cards you have.

NOTICE!

The storage temperature range for your unit is from -4 degrees to +167

degrees Fahrenheit (-20 degrees to +75 degrees Celsius). Extended stor-

age in temperatures higher or lower than specified will damage the liq-

uid crystal display in your unit. This type of damage is not covered by

the warranty. For more information, contact the factory's Customer

Service Department; phone numbers are listed on the last page.

How LMS-480 Sonar Works

Sonar has been around since the 1940s, so if you already know how it

works, skip down to read about the relatively new technology of GPS.

But, if you've never owned a sonar fish finder, this segment will tell you

the under water basics.

Sonar is an abbreviation for SOund NAvigation and Ranging, a technol-

ogy developed during World War II for tracking enemy submarines.

(Lowrance developed the world's first transistorized sportfishing sonar in

1957.) A sonar consists of a transmitter, transducer, receiver and dis-

play. In simple terms, here's how it finds the bottom, or the fish:

The transmitter emits an electrical impulse, which the transducer con-

verts into a sound wave and sends into the water. (The sound frequency

can't be heard by humans or fish.) The sound wave strikes an object

(fish, structure, bottom) and bounces back to the transducer, which

converts the sound back into an electrical signal.

The receiver amplifies this return signal, or echo, and sends it to the

display, where an image of the object appears on the scrolling sonar

chart. The sonar's microprocessor calculates the time lapse between the

transmitted signal and echo return to determine the distance to the

object. The whole process repeats itself several times each second.

Your LMS-480 can record a log of the sonar signals that scroll across

the screen and save them to the MMC memory card. (These recordings

are also called sonar charts or sonar graphs.) You can replay this sonar

personal computer using our free Sonar Viewer. The viewer is available

for download from the Lowrance web site, www.lowrance.com.

You can save several different sonar log files, erase 'em and record new

ones, over and over again. The size of your sonar recordings is only

limited by the free space available on your MMC.

How LMS-480 GPS Works

You'll navigate faster and easier if you understand how the LMS-480

scans the sky to tell you where you are on the earth — and, where

you're going. (But if you already have a working understanding of GPS

receivers and the GPS navigation system, skip on ahead to Section 2,

Installation & Accessories on page 13. If you're new to GPS, read on, and

you can later impress your friends with your new-found knowledge.)

First, think of your LMS-480 as a small but powerful computer. (But

don't worry — we made the LMS-480 series easy to use, so you don't

need to be a computer expert to find your way!) The unit includes a

keypad and a screen with menus so you can tell LMS-480 what to do.

The screen also lets LMS-480 show your location on a moving map, as

well as point the way to your destination.

This gimbal-mounted unit uses an external antenna/receiver module,

which makes the whole system work something like your car radio. But

instead of your favorite dance tunes, this receiver tunes in to a couple of

dozen GPS satellites circling the earth. (It will also listen in to the

WAAS satellites in orbit, but more about that in the upcoming segment

introducing you to GPS and WAAS.)

Your LMS-480 listens to signals from as many satellites as it can "see"

above the horizon, eliminates the weakest signals, then computes its

location in relation to those satellites. Once LMS-480 figures its lati-

tude and longitude, it plots that position on the moving map shown on

the screen. The whole process takes place several times a second!

The performance doesn't stop there. Stored in the permanent memory

of each LMS-480 is a basic background map of the entire world. We lock

it in here at the factory — you can't change or erase this map.

The background map is suitable for many navigation chores, but for

maximum accuracy and much more detail, you need our optional map-

making software, MapCreate 6. Some unit features — such as

searching for businesses and addresses — won't work without a custom

MapCreate map. There is so much detail in our background map (and

even more in MapCreate) that we'll describe their contents and differ-

ences in Section 6, Basic GPS Operations, on page 108.

Another portion of LMS-480's onboard memory is devoted to recording

GPS navigation information, which includes waypoints, event marker

icons, trails and routes. This lets you look back the way you came.

Think of this data storage like the hard drive memory in a computer or

a tape in a cassette tape recorder. You can save several different GPS

data files, erase 'em and record new ones, over and over again. Like any

computer file, these GPS Data Files (file format *.usr) can be shared

between LMS-480s, other Lowrance GPS or sonar/GPS units, even per-

sonal computers.

LMS-480 has one more thing in common with a personal computer.

Just as computers have a floppy disk drive for storing and exchanging

files, the LMS-480 has a slot for an MMC (MultiMedia Card) or SDC

(Secure Digital card) flash memory card. These solid-state memory de-

vices are about the size of a postage stamp, but can hold data ranging

from 8 MB to more than 256 MB in size. (Compare that to a floppy

disk's 1.44 MB capacity!) LMS-480 uses all that MMC space for two key

GPS purposes. (The MMC is also used to record sonar logs.)

First, you can backup your onboard GPS Data Files by copying them to

the MMC. Since the MMC is removable (like a floppy disk or a cassette

tape), you can store these GPS Data Files on a personal computer

equipped with an MMC card reader. (Or store them on a pocketful of

MMCs, if you don't have a computer.) Our MapCreate mapping software

can save, edit or create its own GPS Data Files, which can be copied to

the MMC and then loaded from the MMC into LMS-480's memory.

(NOTE: No matter where they come from, GPS Data Files must be

loaded from the MMC into memory before LMS-480 can use them.)

The other key GPS use for MMCs is storage of special high-detail, cus-

tom maps, which you can produce on your computer with our MapCre-

ate software. These MapCreate custom maps contain much greater de-

tail than the basic background map. These Custom Map Files (file

format *.lcm) can also be shared between LMS-480s, other Lowrance

GPS or sonar/GPS units and personal computers. (For example, the

exact same MMC, custom map files and GPS data files can be used in-

terchangeably between your gimbal-mounted LMS-480 and the hand-

held iFINDER GPS receiver.)

LMS-480 automatically reads Custom Map Files directly from the

MMC or SDC. To use a custom map, all you need to do is slide an MMC

containing a map into the unit.

Introduction to GPS and WAAS

Well, now you know the basics of how LMS-480 does its work. You

might be ready to jump ahead to Section 2, Installation & Accessories,

on page 13, so you can mount your unit and plug in the power. Or you

might want to see how our text formatting makes the manual tutorials

easy to skim. If that's the case, move on to "How to Use This Manual"

on page 10. But, if you want to understand the current state of satellite

navigation, look over this segment describing how GPS and its new

companion WAAS work together to get you where you're going.

The Global Positioning System (GPS) was launched July 17, 1995 by

the United States Department of Defense. It was designed as a 24-

hour-a-day, 365-days-a-year, all weather global navigation system for

the armed forces of the U.S. and its allies. Civilian use was also avail-

able at first, but it was less accurate because the military scrambled

the signal somewhat, using a process called Selective Availability (SA.)

GPS proved so useful for civilian navigation that the federal govern-

ment discontinued SA on May 2, 2000, after the military developed

other methods to deny GPS service to enemy forces. Reliable accuracy

for civilian users jumped from 100 meters (330 feet) under SA to the

present level of 10 to 20 meters (about 30 to 60 feet.)

Twenty-four satellites orbit 10,900 nautical miles above the Earth,

passing overhead twice daily. A series of ground stations (with precisely

surveyed locations) controls the satellites and monitors their exact loca-

tions in the sky. Each satellite broadcasts a low-power signal that identi-

fies the satellite and its position above the earth. Three of these satellites

are spares, unused until needed. The rest virtually guarantee that at

least four satellites are in view nearly anywhere on Earth at all times.

A minimum of three satellites are required to determine a 2D fix.

The system requires signal reception from three satellites in order to

determine a position. This is called a 2D fix. It takes four satellites to

determine both position and elevation (your height above sea level —

also called altitude.) This is called a 3D fix.

Remember, the unit must have a clear view of the satellites in order to

receive their signals. Unlike radio or television signals, GPS works at

very high frequencies. These signals can be easily blocked by trees,

buildings, an automobile roof, even your body.

Like most GPS receivers, LMS-480 doesn’t have a compass or any other

navigation aid built inside. It relies solely on the signals from the sat-

ellites to calculate a position. Speed, direction of travel, and distance

are all calculated from position information. Therefore, in order for

LMS-480 to determine direction of travel, you must be moving and the

faster, the better. This is not to say that it won’t work at walking or

trolling speeds — it will. There will simply be more "wandering" of the

data shown on the display.

GPS alone is plenty accurate for route navigation, but the U.S. Federal

Aviation Administration has special aircraft navigation needs that go

beyond basic GPS. So, the FAA has developed a program to boost GPS

performance with its Wide Area Augmentation System, or WAAS. The

FAA commissioned the system on July 11, 2003.

WAAS is designed to increase GPS accuracy to within 7.6 meters vertically

and horizontally, but it consistently delivers accuracies within 1-2 meters

horizontal and 2-3 meters vertical, according to the FAA. It does this by

broadcasting correction signals on GPS frequencies. Your unit automati-

cally receives both GPS and WAAS signals.

However, there are some fringe areas of the U.S., including parts of

Alaska, that do not yet receive robust WAAS coverage. Continued WAAS

development is planned to extend WAAS coverage in the years to come.

WAAS boosts the accuracy of land GPS navigation, but the system is

designed for aircraft. The satellites are in a fixed orbit around the

Equator, so they appear very low in the sky to someone on the ground

in North America. Aircraft and vessels on open water can get consis-

tently good WAAS reception, but terrain, foliage or even large man-made

structures can sometimes block the WAAS signal from ground receivers.

You'll find that using your GPS receiver is both easy and amazingly

accurate. It’s easily the most accurate method of electronic navigation

available to the general public today. Remember, however, that this

receiver is only a tool. Always have another method of navigation avail-

able, such as a map or chart and a compass.

Also remember that this unit will always show navigation information

in the shortest line from your present position to a waypoint, regardless

of terrain! It only calculates position, it can’t know what’s between you

and your destination, for example. It’s up to you to safely navigate

around obstacles, no matter how you’re using this product.

How to use this manual: typographical conventions

Many instructions are listed as numbered steps. The keypad and arrow

"keystrokes" appear as boldface type. So, if you're in a real hurry (or

just need a reminder), you can skim the instructions and pick out what

menu command to use by finding the boldface command text. The fol-

lowing paragraphs explain how to interpret the text formatting for

those commands and other instructions:

Arrow Keys

The arrow keys control the movement of dotted cross-hair lines on your

mapping screen called the cursor. The arrow keys also control a hori-

zontal line depth cursor on the sonar screen. The arrow keys help you

move around the menus so you can execute different commands. They

are represented by symbols like these, which denote the down arrow

key, the up arrow, the left arrow and the right arrow: ↓ ↑ ← →.

Keyboard

The other keys perform a variety of functions. When the text refers to a

key to press, the key is shown in bold, sans serif type. For example, the

"Enter/Icons" key is shown as ENT and the "Menu" key is shown as MENU.

Menu Commands

A menu command or a menu option will appear in small capital letters, in

a bold sans serif type like this: ROUTE PLANNING. These indicate that you are

to select this command or option from a menu or take an action of some

kind with the menu item. Text that you may need to enter or file names

you need to select are show in italic type, such as trail name.

Instructions = Menu Sequences

Most functions you perform with LMS-480 are described as a sequence

of key strokes and selecting menu commands. We've written them in a

condensed manner for quick and easy reading.

For example, instructions for navigating a trail would look like this:

1. From the Map Page, press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press ↓ to Trail 1|ENT|→|↓ to NAVIGATE|ENT.

3. You are asked to wait while it converts the trail into a route.

4. The wait message disappears and the unit begins showing

navigation information along the trail. Now, begin moving and

follow your LMS-480.

Translated into complete English, step 1 above would mean: "Start on

the Map Page. Press the Menu key twice. Next, repeatedly press (or

press and hold) the down arrow key to scroll down the menu and select

(highlight) the My Trails menu command. Finally, press the Enter key."

Step 2 would mean: "Press the down arrow key repeatedly to scroll to

the trail named Trail 1, and press Enter. Next, press the right arrow

key and then the down arrow key to highlight the Navigate command,

then press Enter."

Notes

Section 2:

Installation & Accessories

Preparations

You can install the sonar and GPS systems in some other order if you

prefer, but we recommend this installation sequence:

Caution:

You should read over this entire installation section before drill-

ing any holes in your vehicle or vessel!

1. Determine the approximate location for the sonar/GPS unit, so you

can plan how and where to route the cables for the antenna, transducer

and power. This will help you make sure you have enough cable length

for the desired configuration.

2. Determine the approximate location for the transducer and its cable

route.

3. Determine the approximate location for the GPS antenna module

and its cable route.

4. Determine the location of your battery or other power connection,

along with the power cable route.

5. Install the transducer and route the transducer cable to the so-

nar/GPS unit.

6. Install the GPS antenna and route the antenna cable to the so-

nar/GPS unit.

7. Install the power cable and route it to the sonar/GPS unit.

8. Mount the sonar/GPS unit to the bracket.

Transducer Installation

These instructions will help you install your Skimmer transducer on a

transom, on a trolling motor or inside a hull. These instructions cover

both single- and dual-frequency Skimmer transducers. Please read all

instructions before proceeding with any installation.

The smaller single-frequency Skimmers typically use a one-piece,

stainless steel mounting bracket. The larger dual-frequency Skimmers

typically use a two-piece, plastic mounting bracket. The trolling motor

mount uses a one-piece plastic bracket with an adjustable strap.

These are all "kick-up" mounting brackets. They help prevent damage if

the transducer strikes an object while the boat is moving. If the trans-

ducer does "kick-up," the bracket can easily be pushed back into place

without tools.

Read these instructions carefully before attempting the installation.

Determine which of the mounting positions is right for your boat. Re-

member, the transducer installation is the most critical part of a

sonar installation.

NOTE:

The following installation types also call for these recommended

tools and required supplies that you must provide (supplies listed

here are not included):

Single-frequency transom installations

Tools include: two adjustable wrenches, drill, #29 (0.136") drill bit, flat-

head screwdriver. Supplies: high quality, marine grade above- or below-

waterline sealant/adhesive compound.

Dual-frequency transom installations

Tools: two adjustable wrenches, drill, #20 (0.161") drill bit, flat-head

screwdriver. Supplies: four, 1" long, #12 stainless steel slotted wood screws,

high quality, marine grade above- or below-waterline sealant/adhesive

compound.

Single-frequency trolling motor installations

Tools: two adjustable wrenches, flat-head screwdriver. Supplies: plastic

cable ties.

Shoot-through hull installations

Tools: these will vary depending on your hull's composition. Consult your

boat dealer or manufacturer. Other tools are a wooden craft stick or

similar tool for stirring and applying epoxy, and a paper plate or piece

of cardboard to mix the epoxy on. Supplies: rubbing alcohol, 100 grit

sandpaper, specially formulated epoxy adhesive available from LEI (see

ordering information on the inside back cover). A sandwich hull also

requires polyester resin.

Selecting a Transducer Location

1. The location must be in the water at all times, at all operating speeds.

2. The transducer must be placed in a location that has a smooth flow of

water at all times. If the transducer is not placed in a smooth flow of

water, interference caused by bubbles and turbulence will show on

the sonar's display in the form of random lines or dots whenever the

boat is moving.

NOTE:

Some aluminum boats with strakes or ribs on the outside of the

hull create large amounts of turbulence at high speed. These boats

typically have large outboard motors capable of propelling the boat

at speeds faster than 35 mph. Typically, a good transom location on

aluminum boats is between the ribs closest to the engine.

3. The transducer should be installed with its face pointing straight

down, if possible. For shoot-thru applications: Many popular fishing

boat hulls have a flat keel pad that offers a good mounting surface. On

vee hulls, try to place the transducer where the deadrise is 10° or less.

Left, vee pad hull; right, vee hull. A pod style transducer is shown

here, but the principle is the same for Skimmers inside a hull.

4. If the transducer is mounted on the transom, make sure it doesn't

interfere with the trailer or hauling of the boat. Also, don't mount it

closer than approximately one foot from the engine's lower unit. This

will prevent cavitation (bubble) interference with propeller operation.

5. If possible, route the transducer cable away from other wiring on the

boat. Electrical noise from engine wiring, bilge pumps and aerators

can be displayed on the sonar's screen. Use caution when routing the

transducer cable around these wires.

Good and poor transducer locations.

How low should you go?

For most situations, you should install your Skimmer transducer so

that its centerline is level with the bottom of the boat hull. This will

CAUTION: Clamp the trans-

ducer cable to transom near

the transducer. This will help

prevent the transducer from

entering the boat if it is

knocked off at high speed.

Good location

Poor angle

Poor location

Good

location

Deadrise less than 10

Pad Strakes

usually give you the best combination of smooth water flow and protec-

tion from bangs and bumps.

Align transducer centerline with hull bottom.

However, there are times when you may need to adjust the transducer

slightly higher or lower. (The slots in the mounting brackets allow you

to loosen the screws and slide the transducer up or down.) If you fre-

quently lose bottom signal lock while running at high speed, the trans-

ducer may be coming out of the water as you cross waves or wakes.

Move the transducer a little lower to help prevent this.

If you cruise or fish around lots of structure and cover, your transducer

may be frequently kicking up from object strikes. If you wish, you may

move the transducer a little higher for more protection.

There are two extremes you should avoid. Never let the edge of the

mounting bracket extend below the bottom of the hull. Never let the

bottom – the face – of the transducer rise above the bottom of the hull.

Shoot-thru-hull vs. Transom Mounting

In a shoot-thru-hull installation, the transducer is bonded to the inside

of the hull with epoxy. The sonar "ping" signal actually passes through

the hull and into the water. This differs from a bolt-thru-hull installa-

tion (often called simply "thru-hull"). In that case, a hole is cut in the

hull and a specially designed transducer is mounted through the hull

with a threaded shaft and nut. This puts the transducer in direct contact

with the water.

Typically, shoot-thru-hull installations give excellent high speed opera-

tion and good to excellent depth capability. There is no possibility of

transducer damage from floating objects, as there is with a transom-

mounted transducer. A transducer mounted inside the hull can't be

knocked off when docking or loading on a trailer.

However, the shoot-thru-hull installation does have its drawbacks.

First, some loss of sensitivity does occur, even on the best hulls. This

varies from hull to hull, even from different installations on the same

hull. This is caused by differences in hull lay-up and construction.

Transom

Hull bottom

Transducer

centerline

Second, the transducer angle cannot be adjusted for the best fish arches

on your sonar display. (This is not an issue for flasher-style sonars.)

Lack of angle adjustment can be particularly troublesome on hulls that

sit with the bow high when at rest or at slow trolling speeds.

Third, a transducer CAN NOT shoot through wood and metal hulls.

Those hulls require either a transom mount or a thru-hull installation.

Fourth, if your Skimmer transducer has a built in temp sensor, it will

only show the temperature of the bilge, not the water surface temp.

Follow the testing procedures listed in the shoot-thru-hull installation

section at the end of this lesson to determine if you can satisfactorily

shoot through the hull.

TRANSOM TRANSDUCER ASSEMBLY AND MOUNTING

The best way to install these transducers is to loosely assemble all of the

parts first, place the transducer's bracket against the transom and see if

you can move the transducer so that it's parallel with the ground.

The following instructions sometimes vary depending on the mounting

bracket that came with your transducer. Single-frequency Skimmers

come with a one-piece stainless steel bracket, while dual-frequency

Skimmers come with a two-piece plastic mounting bracket. Use the set of

instructions that fits your model.

1. Assembling the bracket.

A. One-piece bracket: Press the two small plastic ratchets into the

sides of the metal bracket as shown in the following illustration. Notice

there are letters molded into each ratchet. Place each ratchet into the

bracket with the letter "A" aligned with the dot stamped into the metal

bracket. This position sets the transducer's coarse angle adjustment for a

14° transom. Most outboard and stern-drive transoms have a 14° angle.

Align plastic ratchets in bracket.

B. Two-piece bracket: Locate the four plastic ratchets in the trans-

ducer's hardware package. Press two ratchets into the sides of the plas-

tic bracket and two on either side of the transducer as shown in the fol-

lowing illustrations. Notice there are letters molded into each ratchet.

Dot

Place the ratchets into the bracket with the letter "A" aligned with the

alignment mark molded into the bracket. Place the ratchets onto the

transducer with the letter "A" aligned with the 12 o'clock position on

the transducer stem. These positions set the transducer's coarse angle

adjustment for a 14° transom. Most outboard and stern-drive tran-

soms have a 14° angle.

Insert and align ratchets.

Add ratchets to bracket and transducer.

2. Aligning the transducer on the transom.

A. One-piece bracket: Slide the transducer between the two ratch-

ets. Temporarily slide the bolt though the transducer assembly and

hold it against the transom. Looking at the transducer from the side,

check to see if it will adjust so that its face is parallel to the ground.

If it does, then the "A" position is correct for your hull.

Alignment letters

Alignment

positions

Transducer bracket

Transducer

bracket

Ratchet Ratchet

Transducer

If the transducer's face isn't parallel with the ground, remove the

transducer and ratchets from the bracket. Place the ratchets into the

holes in the bracket with the letter "B" aligned with the dot stamped

in the bracket.

Reassemble the transducer and bracket and place them against the

transom. Again, check to see if you can move the transducer so it's

parallel with the ground. If you can, then go to step 3A. If it doesn't,

repeat step 2A, but use a different alignment letter until you can

place the transducer on the transom correctly.

Insert bolt and check transducer position on transom.

B. Two-piece bracket: Assemble the transducer and bracket as shown

in the following figure. Temporarily slide the bolt though the transducer

assembly but don't tighten the nut at this time. Hold the assembled

transducer and bracket against the transom. Looking at the transducer

from the side, check to see if it will adjust so that its face is parallel to

the ground. If it does, then the "A" positions are correct for your hull.

If the transducer's face isn't parallel with the ground, remove and

disassemble the transducer and ratchets. Place the ratchets into the

bracket holes with the letter "B" aligned with the bracket alignment

mark. Place them on the transducer aligned with the 12 o'clock posi-

tion on the transducer stem.

Reassemble the transducer and bracket and place them against the

transom. Again, check to see if you can move the transducer so it's

parallel with the ground. If you can, then go to step 3B. If it doesn't,

repeat step 2B, but use a different alignment letter until you can

place the transducer on the transom correctly.

Ratchets

Assemble transducer and bracket.

3. Assembling the transducer.

A. One-piece bracket: Once you determine the correct position for

the ratchets, assemble the transducer as shown in the following fig-

ure. Don't tighten the lock nut at this time.

Assemble transducer and bracket.

B. Two-piece bracket: Once you determine the correct position for

the ratchets, assemble the transducer as shown in the figure in step

2B. Don't tighten the lock nut at this time.

4. Drilling mounting holes.

Hold the transducer and bracket assembly against the transom. The

transducer should be roughly parallel to the ground. The trans-

ducer's centerline should be in line with the bottom of the hull. Don't

let the bracket extend below the hull!

Mark the center of each slot for the mounting screw pilot holes. You

will drill one hole in the center of each slot.

Drill the holes. For the one-piece bracket, use the #29 bit (for the #10

screws). For the two-piece bracket, use the #20 bit (for the #12 screws).

Nut

Metal

washer

Metal washer

Bolt

Rubber

washers

Flat washer

Lock washer

Flat washer

Nut

Bolt

Position transducer mount on transom and mark mounting holes.

Side view shown at left and seen from above at right.

5. Attaching transducer to transom.

A. One-piece bracket: Remove the transducer from the bracket and

re-assemble it with the cable passing through the bracket over the

bolt as shown in the following figures.

For single-frequency Skimmer, route cable over bolt and through

bracket. Side view shown at left and seen from above at right.

Both bracket types: Attach the transducer to the transom. Slide the

transducer up or down until it's aligned properly with the bottom of

the hull as shown in the preceding and following figures. Tighten the

bracket's mounting screws, sealing them with the sealant.

Adjust the transducer so that it's parallel to the ground and tighten

the nut until it touches the outer washer, then add 1/4 turn. Don't

over tighten the lock nut! If you do, the transducer won't "kick-up" if

it strikes an object in the water.

Transom

Align transducer centerline with hull bottom and attach transducer to

transom. Rear view of dual-frequency Skimmer shown.

6. Route the transducer cable through or over the transom to the sonar

unit. Make sure to leave some slack in the cable at the transducer. If

possible, route the transducer cable away from other wiring on the

boat. Electrical noise from the engine's wiring, bilge pumps, VHF radio

wires and cables, and aerators can be picked up by the sonar. Use cau-

tion when routing the transducer cable around these wires.

WARNING:

Clamp the transducer cable to the transom close to the

transducer. This can prevent the transducer from enter-

ing the boat if it is knocked off at high speed.

If you need to drill a hole in the transom to pass the connector through,

the required hole size be 1".

Caution:

If you drill a hole in the transom for the cable, make sure it is lo-

cated above the waterline. After installation, be sure to seal the

hole with the same marine grade above- or below-waterline seal-

ant used for the mounting screws.

7. Make a test run to determine the results. If the bottom is lost at

high speed, or if noise appears on the display, try sliding the trans-

ducer bracket down. This puts the transducer deeper into the water,

hopefully below the turbulence causing the noise. Don't allow the

transducer bracket to go below the bottom of the hull!

Flat-bottom hull

Deep-"vee" hull

Bottom

hull

TROLLING MOTOR BRACKET INSTALLATION

(single-frequency only)

1. Attach the optional TMB-S bracket to the transducer as shown in the

following figure, using the hardware supplied with the transducer.

(Note: The internal tooth washer is supplied with the TMB-S.)

Attach motor mounting bracket to transducer.

2. Slide the adjustable strap supplied with the TMB-S through the slot

in the transducer bracket and wrap it around the trolling motor. Po-

sition the transducer to aim straight down when the motor is in the

water. Tighten the strap securely.

3. Route the transducer cable alongside the trolling motor shaft. Use

plastic ties (not included) to attach the transducer cable to the troll-

ing motor shaft. Make sure there is enough slack in the cable for the

motor to turn freely. Route the cable to the sonar unit and the trans-

ducer is ready for use.

Transducer mounted on trolling motor, side view.

TRANSDUCER ORIENTATION AND FISH ARCHES

If you do not get good fish arches on your display, it could be because

the transducer is not parallel with the ground when the boat is at rest

in the water or at slow trolling speeds.

Bolt

Internal tooth washer

Nut

Flat washer

TMB-S bracket

Transducer angles and their effects on fish arches.

If the arch slopes up – but not back down – then the front of the trans-

ducer is too high and needs to be lowered. If only the back half of the

arch is printed, then the nose of the transducer is angled too far down

and needs to be raised.

NOTE:

Periodically wash the transducer's face with soap and water to re-

move any oil film. Oil and dirt on the face will reduce the sensitivity

or may even prevent operation.

SHOOT-THRU-HULL PREPARATION

Hulls With Floatation Materials

The transducer installation inside a fiberglass hull must be in an area

that does not have air bubbles in the resin or separated fiberglass lay-

ers. The sonar signal must pass through solid fiberglass. A successful

transducer installation can be made on hulls with flotation materials

(such as plywood, balsa wood or foam) between layers of fiberglass if

the material is removed from the chosen area. See the following figure.

Transducer aimed

too far back Transducer aimed

too far forward

Proper transducer angle

Partial fish arches

Full fish arch

WARNING:

Do not remove any material from your inner hull unless

you know the hull's composition. Careless grinding or

cutting on your hull can result in damage that could sink

your boat. Contact your boat dealer or manufacturer to

confirm your hull specifications.

Epoxy the transducer to a solid portion of the hull.

For example, some (but not all) manufacturers use a layer of fiberglass,

then a core of balsa wood, finishing with an outer layer of fiberglass.

Removing the inner layer of fiberglass and the balsa wood core exposes

the outer layer of fiberglass. The transducer can then be epoxied di-

rectly to the outer layer of fiberglass. After the epoxy cures for 24

hours, fill the remaining space with polyester resin. When the job is

finished, the hull is watertight and structurally sound. Remember, the

sonar signal must pass through solid fiberglass. Any air bubbles in the

fiberglass or the epoxy will reduce or eliminate the sonar signals.

Testing Determines Best Location

Ideally, the shoot-thru transducer should be installed as close to the

transom as possible, close to the centerline. This will give you the best

performance during high speed maneuvers.

Shoot-thru-hull transducer locations for

high speed or trolling speed operation.

Fill with polyester resin

Inner hull

Epoxy to hull first Outer hull

Flotation material

Transducer location

(trolling speed)

Transducer location

(high speed)

To choose the proper location for shoot-thru-hull mounting, follow these

testing procedures: (You may need a helper to complete these steps.)

1. Anchor the boat in about 30 feet of water. Add a little water to the

sump of the boat. Plug the transducer into the sonar unit, turn it on,

then hold the transducer over the side of the boat in the water. Adjust

the sensitivity and range controls until a second bottom echo is seen on

the display. (You'll need to turn off Auto Sensitivity, Auto Depth Range

and ASP. Try a range setting that is two to three times the water

depth. The harder (more rocky) the bottom, the easier it will be to get a

second bottom signal.) Don't touch the controls once they've been set.

Example of a second bottom signal. Unit is in 30 feet of water, with

range set at 80 feet and sensitivity set at 87 percent.

2. Next, take the transducer out of the water and place it in the water in

the sump of the boat, face down. (The transducer face is shown in the

figure on the following page.) Notice how the signal strength de-

creases. The second bottom signal will probably disappear and the bot-

tom signal intensity will likely decrease.

3. Now move the transducer around to find the best location with the

strongest possible bottom signal. If you find a spot with an acceptable

bottom signal, mark the location and move on to step 4.

If you can't get an acceptable bottom signal, try turning up the sensi-

tivity by three or five keystrokes and then move the transducer around

once more. If you find a spot that works, mark it and move on to step 4.

If you have to turn up sensitivity by more than five keystrokes to get a

good signal, the transducer should be mounted on the outside of the

hull. This is especially true if you have to turn sensitivity all the way

up to get a decent bottom signal.

Second bottom

True bottom

Manual range setting

4. Most people can get good results by following steps 1 through 3, so this

step is optional. If you want to make an extra effort to be absolutely sure

that your selected location will work under all conditions, make a test

run with the boat on plane and observe the bottom signal. You'll need to

figure some way to prop the transducer into position while you make

your test run. (A brick or two might be sufficient to hold it in place.)

5. When you're satisfied with a location, mark it and proceed with

the installation.

Shoot-thru-hull Installation

If you are installing the transducer on a hull with floatation material

sandwiched within the hull, refer to the text "Hulls With Flotation Ma-

terials" beginning on page 24.

1. Make sure the area is clean, dry and free of oil or grease, then sand

both the inside surface of the hull and the face of the transducer with

100 grit sandpaper. The sanded hull area should be about 1-1/2 times

the diameter of the transducer. The surface of the hull must be flat

so the entire transducer face is in contact with the hull prior to

bonding. After sanding, clean the hull and transducer with rubbing

alcohol to remove any sanding debris.

Epoxy transducer to hull.

WARNING:

Use only the epoxy available from LEI. It has been for-

mulated to work with these installation procedures.

Other epoxy types may be too thin or may not cure to the

right consistency for optimum transducer performance.

Spread epoxy here

Sand this surface

2. The epoxy consists of the epoxy itself and a hardener. Remove the

two compounds from the package and place them on the paper plate.

Thoroughly stir the two compounds together until the mixture has a

uniform color and consistency. Do not mix too fast or bubbles will

form in the epoxy. After mixing, you have 20 minutes to complete the

installation before the epoxy becomes unworkable.

Spread a thin layer of epoxy (about 1/16" or 1.5 mm thick) on the face

of the transducer as shown in the previous figure. Make sure there

are no air pockets in the epoxy layer! Then, apply the remaining ep-

oxy to the sanded area on the hull.

3. Press the transducer into the epoxy, twisting and turning it to force

any air bubbles out from under the transducer face. Stop pressing

when you bottom out on the hull. When you're finished, the face of

the transducer should be parallel with the hull, with a minimum

amount of epoxy between the hull and transducer.

4. Apply a weight, such as a brick, to hold the transducer in place while

the epoxy cures. Be careful not to bump the transducer while the ep-

oxy is wet. Leave the weight in place for a minimum of three hours.

Allow the epoxy to cure for 24 hours before moving the boat.

5. After the epoxy has cured, route the cable to the sonar unit and it's

ready to use.

Speed/Temperature Sensors

Optional Speed Sensor Installation

All the units in this series can display speed and distance traveled, but

only the LMS-480DF comes packed with a speed sensor. If you wish to

purchase an optional additional sensor for your unit, refer to the acces-

sory ordering information inside the back cover of this manual. The

following instructions describe how to install the speed sensor.

Recommended tools for this job include: drill, 7/8" drill bit, 1/8" drill bit

for pilot holes, screwdriver. Required supplies for this job include: four

#8 stainless steel wood screws (3/4" long), high quality, marine grade

above- or below-waterline sealant.

First find a location on the boat's transom where the water flow is

smoothest. Don't mount the sensor behind strakes or ribs. These will

disturb the water flow to the speed sensor. Make sure the sensor will

remain in the water when the boat is on plane. Also make sure the lo-

cation doesn't interfere with the boat's trailer. Typically, the sensor is

mounted about one foot to the side of the transom's centerline.

Once you've determined the proper location for the unit, place the sen-

sor on the transom. The bottom of the bracket should be flush with the

hull's bottom. Using the sensor as a template, mark the hull for the

screws' pilot holes. Drill four 1/8" holes, one in each end of the slots.

Mount the sensor to the hull using #8 stainless steel wood screws (not

included). Use a high quality, marine grade above- or below-waterline

sealant to seal the screws. Make sure the sensor is flush with the bot-

tom of the hull and tighten the screws.

Stern view showing good location for mounting sensor on transom.

Speed sensor mounting configuration:

side view (left) and rear view (right.)

If the base of the transom has a radius, fill the gap between the tran-

som and the sensor with the sealant. This will help ensure a smooth

water flow.

Route the sensor's cable through or over the transom to the sonar unit.

If you need to drill a hole in the transom to pass the connector through,

the required hole size is 7/8".

CAUTION:

If you drill a hole in the transom for the cable, make sure it is lo-

cated above the waterline. After installation, be sure to seal the

hole with the same marine grade above- or below-waterline seal-

ant used for the screws.

The sensor is now ready for use. Connect the sensor to the sonar socket

on the back of your unit and connect the transducer to the speed sen-

Good location

Transom

Bottom of hull

sor's socket. If you have any questions concerning the installation of the

sensor, please contact your local boat dealer.

GPS Antenna/Receiver Module

The LMS-480 series package includes the LGC-2000 GPS module. This

device contains the unit's external antenna and receiver for GPS and

WAAS signals. The antenna/receiver module comes with a 25-foot Y-

adapter extension cable. This module can be mounted on a flat surface

or pole, or an optional magnet is available for temporary mounting on

any ferrous surface.

LGC-2000 Module, bottom view (left) and top view (right).

You need to select an antenna installation location that has a clear, un-

obstructed view of the sky. After the module is installed, connect it to

the end of the Y-adapter extension cable as shown in the following dia-

gram. To connect it to the LMS-480, insert the cable's splitter plug into

the Network socket on the back of the unit and your system is ready to

use. See the module's instruction sheet, publication part number 988-

0147-791, for complete installation directions.

LGC-2000 Cable Connection.

NOTE:

The second plug on the extension cable’s Y-adapter will have a 60-

ohm terminator attached to it. Do not remove this terminator.

You must leave the terminator connected to this socket at all times

for your antenna/receiver to function correctly.

25' Y-adapter

extension cable

60-ohm

terminator

LGC-2000

To unit

In an automobile, you may achieve good results by simply placing the

external antenna on the top of the dash, at the base of the windshield. A

piece of the rubber non-skid shelf liner material available in recreational

vehicle supply stores will help hold the antenna in place. This may not

work well if you have a cab-over design pickup truck camper or motor

home. If dashboard reception is poor, simply relocate the antenna mod-

ule elsewhere on the vehicle for a clearer view of the sky.

Power Connections

Your unit comes with a power/data cable that splits into three ends,

each with several exposed wires (shown in the following figure). The

end with 4 wires (blue, yellow, orange and shield) is a Data cable that

connects to a NMEA 0183 interface. The end with three wires (red,

black and shield) is a power cable that connects to a NMEA-2000 buss.

The thicker three-wire cable (red, black and white) is the Power Supply

for your unit (and optional external speaker connection for some units).

The Power/Data cable for this unit.

Depending on your configuration, you may not use all of these wires.

(For example, many units cannot operate an optional external speaker,

so the white wire on the Power Supply cable isn't functional.) The fol-

lowing segments include instructions for installing all the wires that

you will use with this unit.

Powering a NMEA-2000 Buss

(NMEA-2000 Power cable)

A NMEA-2000 buss must be connected to a power source to operate. If

you have a pre-existing NMEA-2000 installation, it may already be

connected to another power source. If your NMEA-2000 buss is already

powered, you can ignore the NMEA-2000 Power cable. Never attach

two power sources to a single NMEA-2000 buss.

If you do need to power your NMEA-2000 buss, attach the NMEA-2000

Power cable to your boat's battery just as indicated in the following

segment for connecting your unit's Power Supply cable. The NMEA-

To unit

Data Cable wires: blue,

yellow, orange and shield

Power Supply wires:

red, black and white

NMEA-2000 Power wires:

red, black and shield

2000 Power cable's red wire should be attached (with provided 3-amp

fuse) to the boat battery's positive terminal, and the NMEA-2000 Power

cable's black and shield wires should both be attached to the battery's

negative terminal.

NOTE:

If the NMEA-2000 buss draws power directly from the boat's battery,

the LGC-2000 will remain on (drawing power) all the time. The LGC-

2000's current draw is very small and shouldn't decrease the boat's

storage battery life, but if this small draw is a concern, you can in-

stall a switch between the NMEA-2000 buss and the battery.

Powering Your Unit

(Power Supply cable – red and black wires)

The unit works from a 12-volt battery system. For the best results, at-

tach the power cable directly to the battery. You can attach the power

cable to an accessory or power buss, however you may have problems

with electrical interference. Therefore, it's safer to go ahead and attach

the power cable directly to the battery.

CAUTION:

When using the unit in a saltwater environment, we strongly rec-

ommend that you shut off the power supply to the power cable when

the unit is not in use. When the unit is turned off but still connected

to a power supply, electrolysis can occur in the power cable plug.

This may result in corrosion of the plug body along with the electri-

cal contacts in the cable and the unit's power socket.

In saltwater environments we recommend you connect the power

cable to the auxiliary power switch included in most boat designs.

If that results in electrical interference, or if such a switch is not

available, we recommend connecting direct to the battery and in-

stalling an inline switch. This will let you shut off power to the

power cable when the unit is not in use. When you are not using

the unit, you should always shut off power to the power cable, es-

pecially when the power cable is disconnected from the unit.

If possible, keep the power cable away from other boat wiring, especially

the engine's wires. This will provide the best isolation from electrical

noise. If the cable is not long enough, splice #18 gauge wire onto it. The

power cable has two wires, red and black. Red is the positive lead, black

is negative or ground. (There is also a white wire to power an optional

external speaker for some units.) Make sure to attach the in-line fuse

holder to the red lead as close to the power source as possible.

For example, if you have to extend the power cable to the battery or

power buss, attach one end of the fuse holder directly to the battery or

power buss. This will protect both the unit and the power cable in the

event of a short. It uses a 3-amp fuse.

Power connections for the LMS-480 series sonar/GPS unit.

NOTE:

If you're powering a NMEA-2000 buss, you will attach both the

NMEA-2000 Power cable and the unit's Power Supply cable to the

boat's battery. To attach the NMEA-2000 Power cable, connect the

red wire to battery's + and black and shield wires to battery's –.

WARNING:

This product must be independently fused with the en-

closed 3-amp fuse (or equivalent), even if you connect to

a fused accessory or power buss.

If a malfunction happens inside the unit, extensive dam-

age can occur if the enclosed fuse is not used. As with all

electrical devices, this unit could be damaged to a point

that it is unrepairable and could even cause harm to the

user when not properly fused.

CAUTION:

Do not use this product without a 3-amp fuse wired into the power

cable! Failure to use a 3-amp fuse will void your warranty.

This unit has reverse polarity protection. No damage will occur if the

power wires are reversed. However, the unit will not work until the

wires are attached correctly.

12 volt

battery

Black wire Red wire with

3 amp fuse

To unit

Data Cable

Optional power off

switch for salt-

water installations

NMEA-2000 Power Cable

To power a

NMEA-2000

buss,

also

connect

NMEA-2000

Power cable

to the boat's

battery.

External speaker wire

(not used by this unit)

An optional 8-foot, CA-4 external power cable with a cigarette lighter

adapter is available from Lowrance.

NMEA 0183/DGPS Cable Connections

NMEA is a standard communications format for marine electronic

equipment. For example, an autopilot can connect to the NMEA inter-

face on the LMS-480 and receive positioning information. The LMS-480

can exchange information with any device that transmits or receives

NMEA 0183 data.

DGPS is an acronym for the Differential Global Positioning System.

DGPS supplements and boosts the accuracy of basic GPS. DGPS was

developed by the U.S. Coast Guard, which is responsible for the sys-

tem's operation in the United States. Since it's creation, DGPS has be-

come the international maritime standard for marine navigation.

The most popular DGPS system relies on a grid of ground-based trans-

mitters that send correction signals to DGPS receivers. These in turn,

connect to the GPS receiver (such as the LMS-480). Lowrance offers an

optional DGPS receiver for your unit.

See the following diagram for general wiring connections. Read your

other product’s owner’s manual for more wiring information.

NMEA/DGPS Wiring

(Data cable)

To exchange NMEA 0183 or DGPS data, the LMS-480 has one NMEA

0183 version 2.0 communication port. Com port one (Com-1) can be

used to receive NMEA format GPS data or DGPS data. The com port

can also transmit NMEA format GPS data to another device.

The four wires for the com port are combined with the Power Supply

cable and NMEA-2000 Power cable to form the power/data cable

(shown earlier). Com-1 uses the yellow wire to transmit, the orange

wire to receive and the shield wire for signal ground. Your unit does not

use the blue wire.

Com-1 wiring to receive DGPS position information

from a DGPS receiver.

Orange (Receive)

Shield (Ground)

Transmit

Ground

Com-1

To LMS-480 To DGPS

Receiver

Yellow (Transmit)

NMEA Receive

Com-1 wiring to receive NMEA position information

from some other GPS receiver.

Com-1 wiring to transmit NMEA position information

to another NMEA-compatible device.

LMS-480 cable connections.

LMS-480,

rear view

GPS

antenna

module

Network socket

Power/Data socket

Power Supply

cable

Data cable

(four wires)

Sonar socket

Transducer

Ground To Other

Device

Com-1

To LMS-480

Yellow (Transmit)

NMEA Receive

Shield (Ground)

Orange (Receive) NMEA Transmit

Shield (Ground) Ground

Com-1

To LMS-480

To Other

GPS Receiver

NMEA-2000

Power cable 60-ohm

terminator

LGC-2000 25'

extension cable

SP-X optional

speed sensor

Mounting the Unit: Bracket, In-Dash or Portable

You can install the LMS-480 on the top of a dash with the supplied

gimbal bracket. It can also be installed in the dash or mounted on a

portable power supply.

If you use the supplied bracket, you may be interested in the optional

R-A-M bracket mounting system. This converts the unit's gimbal

bracket to a swivel mount, which can be used on the dash or overhead

mounting positions.

Optional R-A-M mounting system.

Bracket Installation

Mount the unit in any convenient location, provided there is clearance

behind the unit when it's tilted for the best viewing angle. You should also

make sure there is enough room behind the unit to attach the power,

transducer and GPS antenna/receiver module cables. (A drawing on the

next page shows the dimensions of a gimbal-mounted unit.)

Holes in the bracket's base allow wood screw or through-bolt mounting.

You may need to place a piece of plywood on the back side of thin fiber-

glass panels to reinforce the panel and secure the mounting hardware.

Install the gimbal bracket. Orient the bracket so the arms slope toward

the front of your unit.

Drill a 1-inch (25.4 mm) hole in the dash for the power, transducer and

antenna cables. The best location for this hole is immediately under the

gimbal bracket location. This way, the bracket can be installed so that

it covers the hole, holds the cables in position and results in a neat in-

stallation. Some customers, however, prefer to mount the bracket to the

side of the cable hole — it's a matter of personal preference.

Front view (left) and side view (right) showing dimensions of LMS-480

sonar/GPS unit when mounted on gimbal bracket.

Millimeter

[Inch]

23.4

[0.92]

72.9

[2.87]

137.9

[5.43]

56.9

[2.24]

Front

157.9

[6.22]

173.9

[6.85]

After drilling the hole, pass the transducer connector up through the

hole from under the dash, followed by antenna connector. Pass the

power cable's bare-wire end down though the hole from the top.

If you wish, you can fill in the hole around the cables with a good ma-

rine caulking compound. (Some marine dealers stock cable hole covers

to conceal the opening.) No matter what type of installation you prefer,

be sure to leave enough slack in the cables to allow tilting or swiveling

the unit. If you choose to fill in the hole, be sure to position the cables

against the rear edge of the hole as you apply the fill material.

Before positioning the bracket, be sure to hold the cables against the

rear edge of the hole. Then, slide the bracket over the hole and butt the

rear of the bracket base firmly against the cables, thus pinning them in

place against the side of the hole. Finally, fasten the bracket to the

dash. Attach the unit to the gimbal bracket using the supplied gimbal

knobs and washers.

In-Dash Installation

You can mount the unit in the dash with an optional FM-5 In-Dash

Adapter Kit. The kit includes mounting hardware, a template for cut-

ting the hole and an instruction sheet, part 988-0147-43.

In-dash mounting template for LMS-480 sonar/GPS unit, showing

dimensions. NOTE: The figure above is not printed to scale. A scaled

template (FM-5 In-Dash Adapter Kit instructions) is available for free

download from our web site, www.lowrance.com.

113.5

[4.46]

Millimeters

[Inches]

ALWAYS VERIFY DIMENSIONS

In-Dash

Template

R 7.9

[0.31]

146.5

[5.76]

Top

Portable Installation

Like many Lowrance products, the LMS-480 is capable of portable op-

eration by using the optional PPP-11 portable power pack. The power

pack, the magnet-equipped antenna module and an optional portable

transducer expand the uses for your sonar/GPS unit. The PPP-11

makes it easy to transfer your unit from a boat to a car, recreational

vehicle, airplane or other vehicle without drilling and mounting a sec-

ond bracket. You can use your unit in your own car or boat, then take it

along when riding in a friend's vehicle that's not equipped with sonar or

GPS. (Or use it as a second sonar, one for each fisherman!)

The PPP-11 Portable Power Pack can be used with eight "D" cell alka-

line batteries or an optional sealed, rechargeable battery. For set-up

directions, refer to the pack's instruction sheet, part 988-0147-46.

Install batteries in power pack battery adapter.

MMC or SD Card Memory Card Installation

Your LMS-480 uses a MultiMedia Card to store information, such as

sonar logs, custom maps, waypoints, trails and other GPS data. The

unit can also use Secure Digital Cards (SD card) to store data.

NOTE:

Throughout this manual, we will use the term MMC, but just re-

member that your unit can use an MMC or SD card to store data.

"D" cell battery

Both of these solid-state flash memory devices are about the size of a

postage stamp. An SD card is slightly thicker than an MMC. As this

manual went to press, MMCs were available in storage capacities of 8

MB, 16 MB, 32 MB, 64 MB and 128 MB. SD cards were available in

capacities of 8 MB, 16 MB, 32 MB, 64 MB, 128 MB, 256 MB and higher.

Additional MMC cards are available from LEI Extras; see ordering in-

formation inside the back cover of this manual. MMCs and SD cards

are also available at many camera and consumer electronics stores.

The MMC slot is located in a compartment on the front of the case. The

compartment door is located at the lower right corner. The following

figure shows a close-up with the door opened.

Memory card compartment with a 16 MB MMC card installed.

To remove an MMC

1. Open the card compartment door by unscrewing the thumb screw.

The screw should only be finger tight. If it was over-tightened, use a

thumbnail, a coin or a screwdriver to open the door.

2. Just press a finger against the label of the MMC and drag it from the

slot.

3. Close the compartment door and fasten the thumb screw finger tight.

To add an MMC or SD Card

1. Open the card compartment door.

2. Grasp the bottom of the MMC and push the top of the card into the

slot. Once the card is started, use your fingernails to slide it the rest of

the way to the left, until it is firmly seated in the slot.

3. Close the compartment door and fasten the thumb screw finger tight.

Insert card face up,

this way

Thumb

screw

MMC groove for card removal

Other Accessories

Other LMS-480 accessories include MMC cards, MMC card readers and

MapCreate™ 6 custom mapping software for your computer. MMC card

readers are available in USB and parallel port versions.

Two switch boxes are available for this unit. The SB-7X transducer

switch box switches two transducers to one sonar unit. The SB-8X trans-

ducer switch box switches two sonar units to one transducer.

If these accessories are not available from your dealer, see the acces-

sory ordering information on the inside back cover of this manual. Visit

our web site for a complete listing of all the available accessories for

your unit.

MapCreate™ 6 CD-ROM, left; MMC card reader for USB ports, right.

Now that you have your unit installed, move on to Section 3, Basic So-

nar Operations. There, we'll present a series of step-by-step tutorials to

teach you the basics of LMS-480 sonar operation.

Switch Boxes

Two switch boxes are available for this unit. The SB-7X transducer

switch box switches two transducers to one sonar unit. The SB-8X trans-

ducer switch box switches two sonar units to one transducer.

If these accessories are not available from your dealer, see the acces-

sory ordering information on the inside back cover of this manual. Visit

our web site for a complete listing of all the available accessories for

your unit.

NOTE:

When you first turn the unit on, the Map Page appears. If you'd

rather start learning about GPS operation first, turn over to Sec-

tion 6, Basic GPS Operations. (Remember, you don't need to read

this manual from cover-to-cover to get going. We designed it so you

can skip around to the section you want to read.)

Face Cover

Your LMS-480 comes with a white protective cover that snaps on and

off the front of the unit. This cover is intended for use when your unit

and the vehicle it's mounted in are idle.

WARNING:

When the unit is mounted in an unprotected area, such

as an open boat cockpit, the protective face cover must

be removed when the vehicle is moving at high speed.

This includes towing a boat on a trailer at highway

speeds. Otherwise, wind blast can pop off the cover.

Section 3: Basic Sonar Operation

This section addresses the unit's most basic sonar operations. The in-

structions presented in Sec. 3 follow a chronological order. Sec. 4, Sonar

Options & Other Features, will discuss other more advanced functions

and utilities. Material in Sec. 4 is arranged in alphabetical order.

Before you turn on the sonar unit, it's a good idea to learn about the

different keys, the Main Menu, the four Page screens and how they all

work together. BUT, if you just can't wait to get on the water, turn to

the one-page Quick Reference on page 51.

Keyboard

LMS-480 series sonar/GPS unit, front view, showing map with sonar

split screen, keyboard and access door for the MMC slot.

1. PWR/LIGHT (Power & Light) – The PWR key turns the unit on and

off and activates the backlight.

2. PAGES – Pressing this and the ← → arrow keys switches the unit

between the four different page screens. (Satellite Status Page, Naviga-

tion Page, Map Page and Sonar Page.) Each page represents one of the

unit's major operation modes.

MMC slot access door

3. MENU – Press this key to show the menus and submenus, which

allow you to select a command or adjust a feature. This also accesses

search functions for streets, intersections, addresses and highway exits.

4. ARROW KEYS – These keys are used to navigate through the

menus, make menu selections, move the map and sonar chart cursors

and enter data.

5. ENT/ICONS (Enter & Icons) – This key allows you to save data, ac-

cept values or execute menu commands. It is also used to create event

marker icons.

6. EXIT – The Exit key lets you return to the previous screen, clear

data or erase a menu.

7. WPT – (Waypoint) The Waypoint key is used to save and recall way-

points, search for waypoints and access the waypoint list. It also

launches the Point-of-Interest (POI) search menus and is involved in

some navigation functions.

8. ZOUT – (Zoom Out) – This key lets you zoom the screen out. On the

Sonar Page, this key returns you to a full sonar chart display, showing

the entire water column from surface to bottom. On the Map Page, this

lets you see a larger geographic area on the map. Less detail is seen as

you zoom out.

9. ZIN – (Zoom In) – This key lets you zoom the screen in. On the Sonar

Page, this key enlarges fish signals and bottom detail. On the Map

Page, zooming in lets you see greater detail in a smaller geographic

area on the map.

Power/lights on and off

To turn on the unit, press PWR. As the unit powers up, the Map Page is

displayed first. To switch to the Sonar Page, press PAGES|→|EXIT.

To turn on the backlight, press PWR again. The unit has three backlight

levels to select from. Repeatedly pressing PWR will cycle through the

backlight settings and turn off the backlight.

Turn off the unit by pressing and holding the PWR key for 3 seconds.

Main Menu

The unit has a Main Menu, which contains some function commands

and some setup option commands. The instructions in this section will

deal only with sonar functions, the basic commands that make the unit

show sonar signals on your screen. This sonar unit will work fine right

out of the box with the factory default settings. But, if you want to

learn about the various sonar options, see Sec. 4, Sonar Options &

Other Features. (For general system setup and GPS options, see Sec. 8,

System Setup and GPS Setup Options.)

You can access the Main Menu from any of the four Page screens by

pressing MENU|MENU. To clear the menu screen and return to the page

display, press EXIT. (Remember, our text style for "MENU|MENU" means

"press the Menu key twice." See a full explanation of our instruction

text formatting on pages 10 and 11, "How to use this manual…".

Main Menu.

The Main Menu commands and their functions are:

Screen command: changes the contrast or brightness of the display

screen.

Sounds command: enables or disables the sounds for key strokes and

alarms and sets the alarm style.

Alarms command: turns sonar and GPS alarms on or off and changes

alarm thresholds.

Route Planning command: used to plan, view or navigate a route.

My Trails command: shows, creates and deletes plot trails. Also used

to navigate or backtrack a trail.

Cancel Navigation command: turns off the various navigation com-

mands. Used to stop navigating after you have reached your destina-

tion waypoint, Point of Interest or map cursor location; or after you

reach the end of a route or trail.

Sonar Setup command: sets various sonar options.

GPS Setup command: sets various GPS receiver options.

System Setup command: sets general configuration options.

Sun/Moon Calculations command: finds the rising and setting time

of the sun and the moon.

Trip Calculator command: shows trip status and statistics.

Timers command: controls the up timer, down timer and alarm clock

settings.

Browse MMC Files command: this allows you to view the installed

MMC card and the files it contains.

Pages

The unit has four Page displays that represent the four major operating

modes. They are the Satellite Status Page, the Navigation Page, the Map

Page and Sonar Page. They are accessed by pressing the PAGES key,

then using → or ← to select a Page. (Clear the Pages Menu by pressing

EXIT.)

Pages Menu, showing some Sonar display options.

Satellite Status Page

The Satellite Status Page provides detailed information on the status of

the unit's satellite lock-on and position acquisition. To get to the Satel-

lite Status Page: Press the PAGES key, then use → or ← to select STATUS.

(Clear the Pages Menu by pressing EXIT.)

This page represents a GPS function, so it is discussed in much greater

detail in Sec. 6.

No matter what Page you are on, a flashing current position indica-

tor/question mark symbol and flashing GPS data displays indicate that

satellite lock has been lost and there is no position confirmed.

WARNING:

Do not begin navigating with this unit until the numbers

have stopped flashing!

Satellite Status Page showing satellite lock-on with a 3D position

acquired (latitude, longitude and altitude), including WAAS reception.

Navigation Page

This screen has a compass rose that not only shows your direction of

travel, but also the direction to a recalled waypoint. To get to the Navi-

gation Page: Press PAGES| → or ← to NAVIGATION|EXIT.

This page represents a GPS function, so it is discussed in much greater

detail in Sec. 6.

Navigation Page, recording a trail, traveling southwest.

Map Page

The Map Page screens show your course and track from a "bird's-eye"

view, on a moving map. By default, this unit shows the map with north

always at the top of the screen. The arrow in the center of the screen is

your present position. It points in the direction you're traveling.

Map Page, showing position on Bull Shoals Lake, Arkansas. At left is

the full map option. At right, map with sonar option.

Map Page is also the default screen that appears when you turn on the

unit. To get to the Map Page from another page: Press PAGES| → or ←

to MAP|EXIT.

You can display a split screen showing both the Map and Sonar pages

at the same time. This feature is discussed in Sec. 4, Sonar Options &

Other Features.

The Map Page represents a GPS function, so it is discussed in much

greater detail in Sec. 6.

Sonar Page

The Sonar Page displays the sonar chart. This is a "cross-section" view

of the water column beneath the boat. The chart moves across the

screen, displaying sonar signal echoes that represent fish, structure

and the bottom.

To get to the Sonar Page: Press the PAGES key, then use → or ← to se-

lect SONAR. (Clear the Pages Menu by pressing EXIT.) The Pages Menu

also offers five chart display options under the Sonar Page category. To

access them, press PAGES|← or→ to SONAR|↓ to Option Name|EXIT.

The Sonar Page also has its own menu, which is used for some advanced

functions and for setting various options. (Sonar Options and other fea-

tures are discussed in Sec. 4.) To Access the Sonar Page menu, from the

Sonar Page press MENU.

At left, Pages Menu, showing sonar chart display option commands.

At right, Sonar Page in full sonar chart display mode.

Sonar chart display options (from left) split zoom and split frequency.

Sonar chart display options (from left) digital data and flasher.

Sonar Page Menu. Most of these functions are discussed in Sec. 4.

Sonar Page, showing full sonar chart mode.

You can customize how the Sonar Page displays its pictures and other

data in many ways. Your unit also includes several special sonar features

and options that can help you better interpret the underwater scene.

We'll discuss all of those features and options in Sec. 4, but to show you

how easy this unit is to operate, the following page contains a simpli-

fied, 10-step quick reference that will cover most fish finding situations.

The quick reference describes how your unit will operate with all the

sonar features in their automatic modes, which are set at the factory.

Surface clutter

Structure

Bottom signal

Fish arches

In FasTrack, fish

arches show as

horizontal bars.

Depth scale

Digital data

overlay

(depth &

temperature)

Surface signal

Zoom bar

FasTrack

bar graph

Basic Sonar Quick Reference

1. Mount the transducer, antenna and unit. Connect the unit to electric

power and the transducer. (If GPS operation is desired, connect GPS

antenna, too.) Make sure the MMC is in. (See complete installation de-

tails beginning on page 13.)

2. Launch your boat.

3. To turn on the unit, press and release PWR key.

4. Opening screen displays Map Page. Rotate through the four main

Page screens (Map Page, Satellite Status Page, Navigation Page, Sonar

Page) by pressing PAGES|← or → to select Page Name|EXIT. Switch

Pages to display Sonar Page.

5. If GPS data is desired, wait while unit locates satellites and calculates

current position. When the unit acquires position, a tone sounds and a posi-

tion acquired message appears.

6. With position acquired (if desired), head for your fishing grounds.

Your unit will automatically display digital depth and surface water

temperature in the top left corner of the screen.

The auto settings will track the bottom, displaying it in the lower por-

tion of the screen. The full sonar chart will scroll from right to left,

showing you what's under the boat as you cruise across the water. You

can change the display by:

Zoom in to enlarge the chart for more detail: press ZIN.

Zoom out to return to full chart mode: press ZOUT.

7. Watch the display for the appearance of fish symbols (or arches, if

Fish I.D. is turned off). When you see fish symbols or arches, you've

found fish! Stop the boat and get your lure or bait into the water at the

depth indicated on the sonar chart.

8. Gauge the fish depth by visually comparing the fish symbols or

arches with the depth scale on the right side of the screen, or get a

more accurate measure with the Depth Cursor. Press MENU|↓ to DEPTH

CURSOR|ENT. Press ↓ or ↑ to align the cursor line with the fish arch. The

exact depth appears in a box at the right end of the cursor line. To clear

the cursor, press EXIT.

9. If you are drifting at a very low speed or anchored, you are not mov-

ing fast enough for a fish to return the tell-tale fish arch signal. As you

drift over a fish, or as a fish swims through the transducer's signal

cone, the fish echo will appear as a straight line suspended between the

surface and the bottom when Fish I.D. is turned off.

10. To turn off the unit, press and hold PWR key for three seconds.

Sonar Operations

As you can see from the quick reference on the previous page, basic operation

is pretty easy, right out of the box. If you are a sonar novice, try operating the

unit with the factory defaults until you get a feel for how it's working.

As you're learning the basics, there is one setting you might want to tinker

with from time to time — Sensitivity.

Sensitivity controls the unit's ability to pick up echoes. If you want to see

more detail, try increasing the sensitivity, a little at a time. There are situa-

tions when too much clutter appears on the screen. Decreasing the sensitivity

can reduce the clutter and show the strongest fish echoes, if fish are present.

As you change the sensitivity setting, you can see the difference on the chart

as it scrolls.

These figures show results of different sensitivity levels on the same lo-

cation. Fig. 1: Sensitivity at 88 percent, determined by Auto Sensitivity.

Typical of full auto mode. Fig. 2: Sensitivity set at 75 percent. Fig. 3: Sen-

sitivity set at 50 percent. Fig. 4: Sensitivity set at 100 percent.

Fig. 1 Fig. 2

Fig. 3 Fig. 4

You can change the sensitivity level whether you are in Auto Sensitivity

mode or Manual Sensitivity mode. The adjustment method works the

same in both modes, but it gives you slightly different results.

Adjusting sensitivity in Auto Sensitivity Mode is similar to manually ad-

justing a car's speed with the accelerator pedal while cruise control is on.

You can tell the car to run faster, but when you let off the gas the cruise

control automatically keeps you from running slower than the minimum

speed setting. In the unit, auto mode will let you increase sensitivity to 100

percent, but the unit will limit your minimum setting. This prevents you

from turning sensitivity down too low to allow automatic bottom tracking.

When you change the setting with auto turned on, the unit will continue to

track the bottom and make minor adjustments to the sensitivity level, with

a bias toward the setting you selected.

Adjusting sensitivity in Manual Sensitivity Mode is similar to driving a

car without cruise control — you have complete manual control of the

car's speed. In the unit, manual mode allows you to set sensitivity at

100 percent (maximum) or zero percent (minimum.) Depending on wa-

ter conditions, the bottom signal may completely disappear from the

screen when you reduce sensitivity to about 50 percent or less!

Try adjusting sensitivity in both auto and manual modes to see how

they work.

To adjust sensitivity:

1. Press MENU|ENT.

2. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity;

press ↑ to increase sensitivity. When it's set at the desired level, press

EXIT. (When you reach the maximum or minimum limit, a tone sounds.)

At left, Sonar Menu with Sensitivity command selected. At right, the

Sensitivity Control Bar.

NOTE:

If you want to change the sensitivity in Manual Mode, first turn off

Auto Sensitivity: from the Sonar Page, press MENU|↓ to AUTO

SENSITIVITY|ENT|↑ to SENSITIVITY|ENT. Press ↓ or ↑ to pick a different

sensitivity setting. When it's set at the desired level, press EXIT.

Important Tip:

While you are experimenting and learning, it's possible to scramble

the settings so that the sonar picture disappears from your screen.

If that happens, remember that it's easy to switch back to full

automatic operation by simply restoring the factory auto settings.

Here's how:

To Restore Factory Settings

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓ to RESET OP-

TIONS|ENT.

2. The unit asks if you want to reset all the options. Press ← to

YES|ENT. All options are reset, and the unit reverts back to the Map

Page at the 4000 mile zoom range. (Any recorded sonar logs or GPS

data will be unchanged.)

Fish Symbols vs. Full Sonar Chart

You may have noticed in the quick reference that we used fish arches in

full sonar chart mode for our example, and not the popular Fish I.D.

fish symbol feature. Here's why.

Fish I.D. is an easier way for a sonar novice to recognize a fishy signal

return when he sees it. However, locating fish by symbol only has some

limitations.

Your sonar unit's microprocessor is remarkably powerful, but it can be

fooled. Some of the echoes calculated to be fish could be tree limbs or tur-

tles! To see what's under your boat in maximum detail, we recommend

you turn off Fish I.D. and begin learning to interpret fish arches.

Fish I.D. is most handy when you're in another part of the boat or per-

forming some task that prevents you from watching the sonar screen.

Then, you can turn on Fish I.D. and the audible fish alarm. When that

lunker swims under your boat, you'll hear it!

Fish I.D. can also be useful when you want to screen out some of the

sonar detail gathered by your unit. For example, in one case fisherman

in San Francisco Bay saw clouds of clutter in the water but no fish

arches. When a down rigger was pulled up, it brought up several small

jellyfish. The fisherman switched their sonar to Fish I.D., which

screened out the schools of jellyfish and clearly showed the game fish

there as fish symbols.

Other Free Training Aids

The sonar options section discusses Fish I.D., fish alarms and other

features in greater detail. If you or a friend has Internet access, you can

also learn more about interpreting what you see on your sonar screen.

Visit our web site, WWW.LOWRANCE.COM. Be sure to check out the free

Sonar Tutorial, which includes animated illustrations and more pic-

tures of actual sonar returns, all described in detail. There's even a

"printer friendly" version of the tutorial available on our web site…it

makes a great supplement to this operation manual!

You can also download a free copy of our Sonar Viewer software. This

PC-based software application plays back any sonar chart log recorded

with a Lowrance sonar product. Features include:

• Adjustable range, zoom, sensitivity, color line, noise rejection,

surface clarity, etc. of the recorded file.

• Color interpretation of sonar signals can be user defined.

• Operates like a Windows Multimedia Player with forward, re-

verse, pause, fast forward, fast reverse, and scroll buttons.

• Adjustments update the entire record displayed.

• Can print in full color.

• Window can dynamically be sized on your monitor.

• Mouse cursor shows GPS position, depth and sounding number

anywhere on the visible record.

For the ultimate training aid, be sure to download the free emulator

software for your unit. Aside from being just plain fun, this program

can help you learn both basic and advanced operations without burning

boat fuel! Lowrance is one of the first sonar manufacturers to provide

this type of training tool for customers.

This PC application simulates the actual sonar/GPS unit on your com-

puter. You can run it from your computer keyboard or use your mouse

to press the virtual keys. Easy download and installation instructions

are available on our web site.

Free training emulator is available for your unit on our web site.

The emulator works exactly like your real sonar/GPS unit. Using the

Sonar Simulator and GPS Simulator features, it allows you to play

back sonar logs, run GPS routes and trails, even create real waypoints

you can use in the field! You can even take snapshots of the Sonar

Chart and print them or e-mail them to friends.

Section 4: Sonar Options & Other Features

Material in this section is arranged in alphabetical order.

ASP (Advanced Signal Processing)

The ASP feature is a noise rejection system built into the sonar unit

that constantly evaluates the effects of boat speed, water conditions

and interference. This automatic feature gives you the best display pos-

sible under most conditions.

The ASP feature is an effective tool in combating noise. In sonar terms,

noise is any undesired signal. It is caused by electrical and mechanical

sources such as bilge pumps, engine ignition systems and wiring, air

bubbles passing over the face of the transducer, even vibration from the

engine. In all cases, noise can produce unwanted marks on the display.

The ASP feature has four settings — Off, Low, Medium and High. If

you have high noise levels, try using the "High" ASP setting. However,

if you are having trouble with noise, we suggest that you take steps to

find the interference source and fix it, rather than continually using the

unit with the high ASP setting.

There are times when you may want to turn the ASP feature off. This

allows you to view all incoming echoes before they are processed by the

ASP feature.

At left, Sonar Menu with Sonar Features selected. In the Sonar

Features menu, Noise Rejection is selected with ASP in the default low

setting (center, dual-frequency menu; at right, single-frequency menu).

To change the ASP level:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press ↓ to NOISE REJECTION|ENT.

3. Press ↓ or ↑ to select a setting, then press ENT.

4. To return to the previous page, press EXIT|EXIT.

Alarms

This unit has three different types of sonar alarms. The first is the Fish

Alarm. It sounds when the Fish I.D. feature determines that an echo

is a fish.

Another alarm is the Zone Alarm, which consists of a bar on the side of

the screen. Any echo on the chart that appears inside this bar triggers

this alarm.

The last alarm is the Depth Alarm, which has both a Shallow and a

Deep setting. Only the bottom signal will trigger this alarm. This is

useful as an anchor watch, a shallow water alert or for navigation.

Depth Alarms

The depth alarms sound a tone when the bottom signal goes shallower

than the shallow alarm's setting or deeper than the deep alarm's set-

ting. For example, if you set the shallow alarm to 10 feet, the alarm will

sound a tone if the bottom signal is less than 10 feet. It will continue to

sound until the bottom goes deeper than 10 feet.

The deep alarm works just the opposite. It sounds a warning tone if the

bottom depth goes deeper than the alarm's setting. Both depth alarms

work only off the digital bottom depth signals. No other targets will trip

these alarms. These alarms can be used at the same time or individually.

At left, Main Menu and Sonar Alarms command.

At right, the Sonar Alarms menu.

To adjust and turn on the shallow alarm:

2. Press → to SHALLOW ALARM DEPTH|ENT.

3. Press ↑ or ↓ to change the first number, then press → to move the

cursor to the next number and repeat until the depth is correct, then

press ENT.

4. Press ← to SHALLOW ALARM ENABLED|ENT|EXIT|EXIT|EXIT.

5. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to

To switch to a different depth setting, open the Sonar Alarms menu and

repeat the instructions in step 3 above.

To adjust and turn on the deep alarm:

2. Press ↓ to DEEP ALARM ENABLED|→ to DEEP ALARM DEPTH|ENT.

3. Press ↑ or ↓ to change the first number, then press → to move the

cursor to the next number and repeat until the depth is correct, then

press ENT.

4. Press ← to DEEP ALARM ENABLED|ENT|EXIT|EXIT|EXIT.

5. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to

To switch to a different depth setting, open the Sonar Alarms menu and

repeat the instructions in step 3 above.

Zone Alarm

The zone alarm is triggered when any echo passes inside the zone

alarm bar, shown on the right side of the screen.

To adjust and turn on the zone alarm:

2. Press ↓ to ZONE ALARM ENABLED|→ to ADJUST ZONE|ENT.

At left, Sonar Alarms menu, with Adjust Zone command selected.

At right, Adjust Zone Alarm selection box, with Upper selected.

3. To set the upper boundary for the Zone Alarm, use ← or→ to select

UPPER, then press ↑ or ↓ to move the top of the bar to the desired depth.

4. To set the lower boundary for the Zone Alarm, use ← or→ to select

LOWER, then press ↑ or ↓ to move the bottom of the bar to the desired depth.

echo — fish, bottom, structure — within the zone alarm's depth range

will trigger the zone alarm.

6. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to

To switch to a different depth setting, open the Sonar Alarms menu and

repeat the instructions in steps 3 and 4 above.

Fish Alarm

Use the fish alarm for a distinctive audible alarm when fish or other

suspended objects are detected by the Fish I.D. feature (Fish I.D.

must be turned on for the Fish Alarm to work). A different tone sounds

for each fish symbol size shown on the display.

Sonar Alarms menu with Fish Alarm selected. The check box to the left

is blank, indicating the alarm is turned off.

To turn the fish alarm on:

2. Press ↓ to FISH ALARM|ENT|EXIT|EXIT|EXIT.

3. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to

Calibrate Speed

The speed sensor can be calibrated to compensate for inaccuracies. Be-

fore you change the setting, first calculate the percentage that the

speed is off. You will enter this percentage in a moment.

For example, if you figure the sensor is reading 10 percent faster than

actual speed, you will enter – 10 in the calibration window. If the sen-

sor is reading 5 percent slower than true speed, you will enter + 5 in

the window.

A good way to gauge your speed sensor's performance is to compare its

reading with the ground speed measured by your unit's GPS functions.

When you make a run to compare GPS ground speed to speed sensor

speed, perform your test in relatively calm water free of current, if pos-

sible. (Unless, of course, you are taking the current speed into consid-

eration when making your calculation.) After you have a correction fig-

ure, here's how to enter it:

1. Press MENU|MENU|↓ to SONAR SETUP|ENT|↓ to CALIBRATE WATER

SPEED|ENT.

2. Enter the number you calculated earlier: press ↑ or ↓ to change the

first character (+ or –), then press → to move the cursor to the next

number and repeat until the percentage is correct, then press EXIT.

Chart Speed

The rate that echoes scroll across the screen is called the chart speed.

The default is maximum; we recommend that you leave the speed set

there for virtually all fishing conditions.

However, you might consider experimenting with chart speed when you

are stationary or drifting very slowly. You may sometimes achieve bet-

ter images as you slow down the chart speed to match how fast you are

moving across the bottom.

If you are at anchor, ice fishing or fishing from a dock, experiment with

a chart speed around 50 percent. If you are drifting slowly, try a chart

speed around 75 percent. When you are stationary and a fish swims

through the sonar signal cone, the image appears on the screen as a

long line instead of a fish arch. Reducing the chart speed may result in

a shorter line that more closely resembles a regular fish return.

At left, Sonar Page menu with Chart Speed command selected.

At right, Chart Speed Control Bar.

If you do experiment with chart speed, remember to reset it to maxi-

mum when you resume trolling or moving across the water at higher

speed. To change chart speed:

1. From the Sonar Page, press MENU|↓ to CHART SPEED|ENT.

2. The Chart Speed Control Bar appears. Press ↓ to decrease chart

speed; press ↑ to increase chart speed.

3. When it's set at the desired level, press EXIT.

Depth Cursor

The depth cursor consists of a horizontal line with a digital depth box

on the right side. The numbers inside the box show the depth of the

cursor.

At left, Sonar Page menu with Depth Cursor command selected. At

right, sonar chart with the depth cursor active. The line indicates the

large fish is 34.64 feet deep.

The cursor can be moved to any location on the screen, letting you pin-

point the depth of a target.

1. From the Sonar Page, press MENU|↓ to DEPTH CURSOR|ENT.

2. The depth cursor appears. Press ↓ to lower the cursor line; press ↑ to

raise the cursor line.

3. To clear the depth cursor, press EXIT.

Depth Range - Automatic

When turned on for the first time, the bottom signal is automatically

placed in the lower half of the screen. This is called Auto Ranging and

is part of the automatic function. However, depending upon the bottom

depth and the current range, you can change the range to a different

depth. To do this:

1. From the Sonar Page, press MENU|↓ to DEPTH RANGE|ENT.

Cursor line Depth box

At left, Sonar Page menu with Depth Range command selected. At

right, the Depth Range Control Scale.

2. The Depth Range Control Scale appears. Press ↑ or ↓ to select a dif-

ferent depth range. A black bar highlights the selected range. Range

numbers in gray cannot be selected.

3. When the new range is selected, press EXIT to clear the menu.

Depth Range - Manual

You have complete control over the range when the unit is in the man-

ual mode. There are 16 depth ranges, from 5 feet to 4,000 feet.

To switch to Manual Depth Range:

1. First, turn off automatic depth range. From the Sonar Page, press

MENU|↓ to AUTO DEPTH RANGE|ENT.

2. Press ↑ to DEPTH RANGE|ENT and the Depth Range Control Scale ap-

pears.

3. Press ↓ or ↑ to select a different depth range. A horizontal black bar

highlights the selected range.

4. When the new range is selected, press EXIT to clear the menu.

To turn Auto Depth Range on again:

From the Sonar Page, press MENU|↓ to AUTO DEPTH RANGE|ENT|EXIT.

NOTE:

The sonar's depth capability depends on the transducer installa-

tion, water and bottom conditions, and other factors.

Depth Range - Upper and Lower Limits

Virtually any segment of the water column can be displayed by using

the upper and lower limit feature. This lets you pick the shallow and

deep depth range limits that are shown on the screen, provided there is

at least 10 feet between the upper and lower limit you select. For ex-

ample, a range from 12 feet to 34 feet could be used.

Changing the upper and lower limits gives you far greater control over

the depth range. This feature lets you "zoom in" the display in almost

unlimited combinations. Nearly any segment of the water column, from

the surface to the bottom can be shown. This enlarges the sonar targets

to best suit your fishing needs and water conditions.

At left, Sonar Page Menu with Upper and Lower Limits command se-

lected. At right, Sonar Chart Limits menu, with Upper Limit selected.

To change the upper and lower limits:

1. From the Sonar Page, press MENU|↓ to UPPER AND LOWER LIMITS|ENT.

The Sonar Chart Limits menu appears, with Upper Limit selected.

2. To set the upper limit, press ENT. Press ↑ or ↓ to change the first

number, then press → to move the cursor to the next number and re-

peat until the depth is correct, then press EXIT.

3. To set the lower limit, press ↓ to LOWER LIMIT|ENT. Press ↑ or ↓ to

change the first number, then press → to move the cursor to the next

number and repeat until the depth is correct, then press

EXIT|EXIT|EXIT.

Normal display, in auto depth range mode, left. At right, display

"zoomed" with Upper and Lower Limits focusing on the portion of the

water column from 20 feet to 40 feet deep. In the "zoomed" image, note

the target definition at lower left, showing a fish holding just above the

structure. At top right, two game fish are attacking a school of bait fish.

To turn off upper and lower limits:

From the Sonar Page, press MENU|↓ to AUTO DEPTH RANGE|ENT|EXIT.

FasTrack

This feature automatically converts all echoes to short horizontal lines

on the display's far right side. The graph on the rest of the screen con-

tinues to operate normally. FasTrack gives you a rapid update of condi-

tions directly under the boat. This makes it useful for ice fishing, or

when you're fishing at anchor. When the boat is not moving, fish sig-

nals are long, drawn out lines on a normal chart display. FasTrack con-

verts the graph to a vertical bar graph that, with practice, makes a use-

ful addition to fishing at a stationary location.

Sonar Page showing FasTrack.

Surface clutter

Structure

Grayline

Bottom signal

Fish arches

In FasTrack, fish

arches show as

horizontal bars.

FasTrack

bar graph

Area "zoomed"

Fish arches

Fish I.D. (Fish Symbols & Depths)

The Fish I.D. feature identifies targets that meet certain conditions as

fish. The microcomputer analyzes all echoes and eliminates surface

clutter, thermoclines, and other signals that are undesirable. In most

instances, remaining targets are fish. The Fish I.D. feature displays

fish symbols on the screen in place of the actual fish echoes.

There are several fish symbol sizes. These are used to designate the

relative size between targets. In other words, Fish I.D. displays a small

fish symbol when it thinks a target is a small fish, a medium fish sym-

bol on a larger target and so on.

The sonar's microcomputer is sophisticated, but it can be fooled. It can't

distinguish between fish and other suspended objects such as trotlines,

turtles, submerged floats, air bubbles, etc. Individual tree limbs ex-

tending outwards from a group of limbs is the hardest object for the

Fish I.D. feature to distinguish from fish.

You may see fish symbols on the screen when actually, there are no

fish. The reverse is also true. The illustrations on the next page show

how Fish I.D. can actually miss fish that are present.

Does that mean Fish I.D. is broken? No — the feature is simply inter-

preting sonar returns in a specific way to help take some of the work

out of reading the screen. Remember: Fish I.D. is one of the many tools

we provide so you can analyze your sonar returns for maximum fish

finding information. This and other features can help you successfully

"see" beneath the boat under varied water and fishing conditions. So,

practice with the unit in both the Fish I.D. mode and without to become

more familiar with the feature. The default for Fish I.D. is off.

Sonar Features menu with Fish I.D. Symbols selected (at left, dual-

frequency menu; at right, single-frequency menu). When the check box

to the left is checked, the feature is on.

At left, figures 1A and 2A show Sonar Page in normal chart mode. At

right, figures 1B and 2B show the same underwater scene with Fish I.D.

turned on. Note how arches are replaced with symbols.

To turn the Fish I.D. feature on:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press → to FISH SYMBOLS|ENT|EXIT|EXIT.

To turn off Fish I.D., repeat the instructions in step 2.

FishTrack

The FishTrack feature shows the depth of a fish symbol when it ap-

pears on the display. This lets you accurately gauge the depth of tar-

gets. This feature is available only when the Fish I.D. feature is on. The

default setting for FishTrack is off.

To turn on FishTrack:

(Note: These instructions will turn on FishTrack and Fish I.D. at the

same time.)

Fish arches

above structure No fish shown

FasTrack graph

confirms fish

above stru

ture

Fig. 1 A Fig. 1 B

Fig. 2 A Fig. 2 B

Many fish

arches visible Fewer fish

symbols visible

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press →|then press ↓ to FISH DEPTHS|ENT|EXIT|EXIT.

To turn off FishTrack, repeat the instructions in step 1. Turning off

FishTrack in this manner will not turn off Fish I.D. symbols.

Sonar Features menu with Fish I.D. Depths selected (at left, dual-

frequency menu; center, single-frequency menu). When the check box to

the left is checked, the feature is on. At right, Sonar Page showing Fish

I.D. symbols and FishTrack depths turned on.

FishReveal

When displaying actual sonar returns, the FishReveal feature uses 10

levels of gray tones to show fish targets hidden by surface clutter,

thermoclines, weed beds and other cover.

The normal mode of operation (with FishReveal turned off) shows the

weakest echoes as black and the strongest echoes in light gray. Since

all weak echoes are black, fish arches show boldly against the white

background. The drawback is that all weak echoes – such as thermo-

clines – are also emphasized. This can make it hard to distinguish fish

signals inside thermoclines or other cover.

In FishReveal mode, the weakest echoes are white and the strongest

echoes are black. Echoes in between vary in gray in proportion to their

signal strength. The Grayline control determines the range for black to

white. Also note that when using FishReveal, we recommend that you

turn off Auto Sensitivity and turn up Sensitivity to near maximum.

Symbols with

FishTrack depths

Sonar Color Mode command with FishReveal selected

(at left, dual-frequency menu; at right, single-frequency menu).

To turn FishReveal on:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press →|then press ↓ to SONAR CHART MODE|ENT|↓ to FISHREVEAL|ENT.

3. Press EXIT|↑ to AUTO SENSITIVITY|ENT|↑ to SENSITIVITY|ENT.

4. Press ↑ until the Sensitivity Control Bar reads 100% (or close to it),

then press EXIT. (If you reach the maximum limit, a tone sounds.)

Sonar chart in regular grayscale mode, left, and in FishReveal mode,

right. Notice how shallow fish formerly hidden in the surface clutter

become visible in FishReveal mode.

NOTE:

Water conditions vary greatly, and that affects sonar performance.

Under certain conditions, FishReveal will show you more fish than

normal grayscale mode, but the reverse will be true in other cir-

cumstances. We suggest you become familiar with both modes so

you can best match your sonar's performance to the current water

conditions.

Visible

fish

Fish

not

visible

Fish

arch

Fish

arches

Frequency (Change Transducer Frequency)

(LMS-480DF only)

The LMS-480DF transducer operates with both 200 kHz and 50 kHz.

The 200 kHz frequency has a 12° cone angle and the 50 kHz frequency

has a 35° cone angle.

The default frequency is 200 kHz, which is best for use in shallow water

(about 300 feet or less). This frequency is the best choice for about 80

percent of the fresh and salt water sport fishing applications. When you

get into very deep salt water, 300 to 500 feet or deeper, the 50 kHz fre-

quency is the best choice.

The 200 kHz transducer will give you better detail and definition, but

less depth penetration. The 50 kHz transducer will give you greater

depth penetration, but a little less detail and less definition. (Remember,

all sonar units typically read deeper in fresh water than in salt water.)

There is a common exception to these rules of thumb. Some fishermen

on freshwater lakes (or the ocean) using downriggers like to see them

on the sonar. In many of those cases, you'll see a 50 kHz transducer

frequency in use because the wider cone angle lets them watch the bait.

Sonar Features menu with a frequency of 200 kHz selected.

To change the frequency setting to 50 kHz:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press →|then press ↓ to 50 KHZ|ENT.

3. Press EXIT|EXIT to clear the menu.

To change the frequency setting to 200 kHz:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press →|then press ↓ to 200 KHZ|ENT.

3. Press EXIT|EXIT to clear the menu.

Grayline

Grayline lets you distinguish between strong and weak echoes. It

"paints" gray on targets that are stronger than a preset value. This al-

lows you to tell the difference between a hard and soft bottom. For ex-

ample, a soft, muddy or weedy bottom returns a weaker signal which is

shown with a narrow or no gray line. A hard bottom returns a strong

signal which causes a wide gray line.

If you have two signals of equal size, one with gray and the other with-

out, then the target with gray is the stronger signal. This helps distin-

guish weeds from trees on the bottom, or fish from structure.

Grayline is adjustable. Experiment with your unit to find the Grayline

setting that's best for you.

At left, Sonar Page menu with Grayline command selected.

At right, the Grayline control bar.

To adjust the Grayline level:

1. From the Sonar Page, press MENU|↓ to GRAYLINE|ENT.

2. The Grayline Control Bar appears. Press ↓ to decrease Grayline;

press ↑ to increase Grayline.

3. When it's set at the desired level, press EXIT.

This series of figures shows how different Grayline settings can reveal

more information. The "A" figures to the left show locations with Gray-

line set at the factory level of 64 percent. At right, the "B" figures show

the same locations with Grayline increased to 84 percent. In Figure 1B,

no fish are near the left structure, but the right structure shows fish

holding next to the structure. Notice in figures 2B and 3B how Grayline

displays a hard, rocky bottom (the drop-offs) with a wider gray line. The

muddier bottom below those drop-offs appears as a narrower gray line.

Grayline

Muddy

bottom

Hard

bottom

Muddy

bottom

Fish near

structure

Hard

bottom

Hard

structure

Grayline

Fig. 2A

Fig. 3A

Fig. 2B

Fig. 3B

Fig. 1A Fig. 1B

HyperScroll

See the entry on Ping Speed, which controls the HyperScroll feature.

Log Sonar Chart Data

If you have an MMC installed in the unit, the sonar data shown on the

screen can be saved to the MMC. This can be played back at any time

(to play a recorded sonar chart log, see the entry in this section for So-

nar Simulator). If you have a personal computer and Internet access,

visit our web site, www.lowrance.com, and download the free Sonar

Viewer and the emulator for your unit. These programs will allow you

to replay sonar logs on your personal computer.

At left, the Sonar Page menu with the Log Sonar Chart Data command

selected. At right, Sonar Chart Logging menu, with the Start Logging

command selected. The menu says the MMC has 5.42 MB of free space,

which will record the scrolling chart for 28 minutes and 44 seconds.

To record or log chart data:

1. Press MENU|↓ to LOG SONAR CHART DATA|ENT.

2. To record data using the default settings, press ENT. The menu clears

and the Sonar Page title bar shows the name of the file you are record-

ing. Warning messages will appear as recording time begins to run out.

NOTE:

You can change any of the settings by using the cursor arrows to

highlight different commands. Select FILE NAME if you want to

change the name. Select CHART QUALITY if you want to lower the file

quality and record for a longer period of time. After you've changed

the settings, select START LOGGING and press ENT.

Noise Rejection

See the entry on Advanced Signal Processing in this section.

Overlay Data

To change the digital data shown "floating" on top of the Sonar Page or

the Map Page:

First, press PAGES, use → or ← to select a Page Name, then press EXIT.

To select data for display:

1. From the Map or Sonar page, press MENU|↓ to OVERLAY DATA|ENT.

2. Press ↓ or ↑ to select Data Type|ENT.

Overlay Data command on the Sonar Menu, at left. Overlay Data

Shown selection menu, right. In this example, we scrolled down the

data list to highlight "Ground Speed."

When selected, the data type shifts to the top of the data list and a

check mark appears beside the data type. (If you wish, you may now

use ↓ or ↑ to select other Data Types for display.)

Data list showing "Ground Speed" selected to display on Sonar Page.

3. To return to the previous page, press EXIT|EXIT.

To turn off displayed data:

1. From the Map or Sonar page, press MENU|↓ to OVERLAY DATA|ENT.

2. Press ↓ or ↑ to select Data Type|ENT. The selected data type disappears

from the top of the list and reverts to its previous, unchecked position. (If

you wish, you may now use ↓ or ↑ to select other Data Types to turn off.)

3. To return to the previous page, press EXIT|EXIT.

To change displayed data font size:

1. From the Map or Sonar page, press MENU|↓ to OVERLAY DATA|ENT.

2. Press ↓ or ↑ to select Data Type|press → or ← to Data Size|EXIT.

The selected data type will be displayed in the new size. (To change the

font size for another Data Type, press ENT and repeat these steps, be-

ginning with step two above.)

3. To return to the previous page, press EXIT.

Tip:

If you wish, you can change the displayed data font size when you

select a data type:

1. From the Map or Sonar page, press MENU|↓ to OVERLAY

DATA|ENT.

2. Press ↓ or ↑ to select Data Type|press → or ← to select Data

Size|ENT.

The data will be shown in the new font size. To return to the previ-

ous page, press EXIT|EXIT.

At left, Map Page showing boat cruising Puget Sound, Washington,

with Overlay Data turned on. This example shows Depth, Ground

Speed and the Steering Arrow. Note that the Steering Arrow always

points directly to the destination you are navigating toward. In this

case, the boater is headed on a northwesterly course of 275º. Since the

helmsman is on course, the Steering Arrow is pointing straight ahead.

If the helmsman veered off course, the arrow would show which direc-

tion to steer to get back on course toward the destination. At right,

Sonar Page with Overlay Data turned on. This example shows Depth,

Ground Speed and the Track the boat is following.

NOTE:

Some data types can be displayed in only one font size. If that is the

case, the Data Size box will not be displayed for that data type.

Ping Speed & HyperScroll

Ping Speed controls the rate at which the transmitter and transducer

broadcast sonar sound waves — pings — into the water. The unit has a

default ping speed of 50 percent. At normal boating speeds, this auto-

matically provides enough return echoes to refresh the screen and scroll

the chart at maximum chart speed.

However, when you are running at high speeds, or just want the fastest

possible screen update, you may want to use the HyperScroll feature.

When you change the Ping Speed to any setting greater than 50 per-

cent, the unit automatically enters HyperScroll mode.

These faster ping rates allow you to maintain a high-detail picture on

the screen, and the screen refresh rate and chart scroll speed can keep

pace with the boat as it moves quickly over the bottom terrain.

When using HyperScroll, you may also need to manually decrease the

sensitivity for optimum performance. Depending on water depth and

other conditions, HyperScroll may cause a second bottom echo to return

Steering

arrow

to the transducer during the next ping cycle, or sounding. This can result

in a large amount of clutter appearing on the screen. If this occurs, just

decrease the sensitivity to a level that eliminates the clutter. When you

turn HyperScroll off, you can return to your original sensitivity level.

At left, Sonar Menu with Ping Speed command selected.

Ping Speed Control Bar, right, at default setting.

To change Ping Speed:

1. From the Sonar Page, press MENU|↓ to PING SPEED|ENT.

2. The Ping Speed Control Bar appears. Press ↑ to increase ping speed;

press ↓ to decrease speed. When it's set at the desired level, press EXIT.

To adjust Sensitivity:

1. From the Sonar Page, press MENU|ENT.

2. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity;

press ↑ to increase sensitivity. When it's set at the desired level, press

EXIT. (When you reach the maximum or minimum limit, a tone sounds.)

To turn off HyperScroll:

1. From the Sonar Page, press MENU|↓ to PING SPEED|ENT.

2. The Ping Speed Control Bar appears. Press↓ to decrease ping speed

to 50 percent. When it's set at the desired level, press EXIT.

When you boost ping speed and switch into HyperScroll, the width of

the FasTrack bar graph display doubles in width at the right side of the

screen. This allows you to better see the virtually instantaneous sonar

returns, just as you would on a flasher sonar unit. For more informa-

tion on FasTrack, see its entry in this section.

Reset Options

This command is used to reset all features, options and settings to their

original factory defaults. This is useful when you have changed several

settings and want to return the unit to basic automatic operation.

2. Press ← to YES|ENT.

3. All the menus are cleared and the unit reverts to the Map Page at

the 4000 mile zoom range, just as if you had turned it on for the first

time. All options have been returned to the factory settings.

At left, System Setup menu with Reset Options command selected. At

right, the Reset Options dialog box, with "Yes" selected.

NOTE:

Reset Options does not erase any waypoints, routes, plot trails, or

sonar logs.

Reset Water Distance

The sonar chart's Digital Data display option includes a box that shows

distance traveled, called Water Distance. This information is calculated

from an optional water speed sensor, not the GPS. The Water Distance

window can be reset to zero using the Reset Water Distance command.

Press MENU|MENU|↓ to SONAR SETUP|ENT|↓ to RESET WATER DIS-

TANCE|ENT. The menus are cleared and the water distance is reset to 0.00.

Set Keel Offset

This unit measures water depth from the face of the transducer. Since

the transducer is installed below the water surface, the distance dis-

played by the digital depth, chart depth scale, chart cursor or fish sym-

bols is not the exact water depth. If the transducer is 1 foot below the

surface, and the screen shows the water depth as 30 feet, then the ac-

tual depth is 31 feet.

On sailboats or other large vessels with deep drafts, the distance be-

tween the transducer installation and the keel or lower engine unit can

be several feet. In those cases, an inexact depth reading could result in

grounding or striking underwater structure. The Keel Offset feature

eliminates the need for the navigator to mentally calculate how much

water is under his keel.

Keel Offset lets you calibrate the digital depth, chart depth scale, chart

cursor depth and fish symbol depth displayed on the screen. To calibrate

the depth indicators, first measure the distance from the face of the

transducer to the lowest part of the boat. In this example, we will use 3.5

feet. This will entered as a negative 3.5 feet, which makes the depth indi-

cators perform as if the transducer's lower in the water than it really is.

1. Press MENU|MENU|↓ to SET KEEL OFFSET|ENT.

2. The Keel Offset dialog box appears. Press ↓ to change the plus (+)

sign to a minus (–) sign.

3. Press → to the first number, then press ↑ to change the number to 3

4. Press → to the second number, then press ↑ to change the number to

5, then press EXIT. The depth indicators now accurately show the depth

of water beneath the keel.

NOTE:

If knowing the exact depth of water beneath the keel is less important,

you can calibrate the depth indicators so that they show the actual wa-

ter depth from surface to bottom. To do this, first measure the distance

from the face of the transducer up to the surface (the water line on the

boat). In this example, we will use 1.5 feet. This will be entered as a

positive 1.5 feet, which makes the depth indicators perform as if the

transducer's higher in the water than it really is.

1. Press MENU|MENU|↓ to SET KEEL OFFSET|ENT.

2. The Keel Offset dialog box appears with a plus (+) sign at the

front of the box.

3. Press → to the first number, then press ↑ to change the number

to 1.

4. Press → to the second number, them press ↑ to change the num-

ber to 5, then press EXIT. The depth indicators now accurately show

the water depth from surface to bottom.

Sensitivity & Auto Sensitivity

The sensitivity controls the ability of the unit to pick up echoes. Sensi-

tivity can be adjusted, because water conditions vary greatly. A low

sensitivity level (from zero to 50 percent) excludes much of the bottom

information, fish signals, and other target information.

High sensitivity levels let you see this detail, but it can also clutter the

screen with many undesired signals. Typically, the best sensitivity level

shows a good solid bottom signal with Grayline and some surface clutter.

Automatic Sensitivity

The default sensitivity mode is automatic. The unit bases the sensitiv-

ity level on water depth and conditions. When the unit is in the auto-

matic mode, sensitivity is automatically adjusted to keep a solid bottom

signal displayed, plus a little more power. This gives it the capability to

show fish and other detail.

However, situations occur when it becomes necessary to increase or de-

crease the sensitivity. This typically happens when you wish to see

more detail, so an increase in sensitivity is indicated. Or, wave action

and boat wakes can create enough tiny air bubbles to clutter much of

the water column. In that case, a decrease in sensitivity is indicated to

reduce some of the clutter.

The control bar used to adjust sensitivity up or down is the same

whether the unit is in the automatic or manual mode. In automatic you

can adjust sensitivity up to 100 percent but the unit will limit your

minimum setting. In auto, the unit will continue to make small ad-

justments, allowing for the setting you selected.

In manual mode, you have complete control over sensitivity, with the

ability to set it anywhere from zero to 100 percent. Once you select a

level in manual, the unit will continue to use that exact sensitivity set-

ting until you change it or revert to auto mode.

To adjust sensitivity in auto mode:

1. Press MENU|ENT.

2. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity;

press ↑ to increase sensitivity. When it's set at the desired level, press

EXIT. (When you reach the maximum or minimum limit, a tone sounds.)

At left, Sonar Menu with Sensitivity command selected. At right, the

Sensitivity Control Bar.

To adjust sensitivity in manual mode:

1. First, turn off Auto Sensitivity: from the Sonar Page, press MENU|↓

to AUTO SENSITIVITY|ENT.

2. Press ↑ to SENSITIVITY|ENT and the Sensitivity Control Bar appears.

Press ↓ or ↑ to pick a different sensitivity setting. When it's set at the

desired level, press EXIT.

To turn Auto Sensitivity back on:

From the Sonar Page, press MENU|↓ to AUTO SENSITIVITY|ENT|EXIT.

NOTE:

To return to the original factory setting for Auto Sensitivity, see the

entry in this section on Reset Options. If sensitivity is in manual

mode, the Reset Options command will switch back to Auto and re-

set the factory setting at the same time.

Tip:

For quicker sensitivity adjustments, try leaving the Sensitivity

Control Bar on the screen as the chart scrolls. You can see the

changes on the screen as you press the up or down arrows. This is

handy when there's a lot of clutter in the water, and you are

matching the sensitivity to rapidly changing water conditions.

Sonar Color Mode

The default color scheme for the sonar chart is grayscale, but we offer

other variations to suit your viewing preferences. You can select the

chart to be displayed in reverse grayscale, bottom black or FishReveal

mode. (For more information on FishReveal, see the entry on that topic

elsewhere in this section.)

To change the chart mode color scheme:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

2. Press ↓ to SONAR COLOR MODE|ENT.

3. Press ↓ or ↑ to Mode Name|ENT.

4. Press EXIT|EXIT to return to the Sonar Page.

Sonar Page & Sonar Chart Display Options

The Pages Menu offers four chart display options for dual-frequency

models and three options for single-frequency models. To access them,

press PAGES|← or→ to SONAR|↓ to Option Name|EXIT.

Pages Menu, showing sonar chart display options.

Full Sonar Chart

This is the default mode used when the unit is turned on for the first

time or when it's reset to the factory defaults.

The bottom signal scrolls across the screen from right to left. Depth

scales on the right side of the screen aid in determining the depth of

targets. The line at the top of the screen represents the surface. The

bottom depth and surface temperature (if equipped with a temperature

sensor or a transducer with a temp sensor built in) show at the top left

corner of the screen.

The FasTrack™ display shows just to the right of the scale. This

changes all echoes into short horizontal bars, replicating a flasher so-

nar. The zoom bar on the far right shows the area that's zoomed when

the zoom is in use. (See the Zoom section for more information.)

Full Sonar Chart. The Overlay Data (depth and water temperature)

are both set to the small text size.

Split Zoom Sonar Chart

A split chart shows the underwater world from the surface to the bot-

tom on the right side of the screen. The left side shows an enlarged ver-

sion of the right side. The zoom range shows at the bottom left corner of

the screen.

Split Zoom Sonar Chart. Image at left shows the left window zoomed to

2X. The right image shows the left window zoomed to 4X.

Split Frequency Sonar Chart

(LMS-480DF only)

This page shows sonar data from the 50 kHz transducer element on the

left side of the screen and data from the 200 kHz transducer on the

right side. All other functions and features are the same as the Full

Chart page.

Split Frequency Sonar Chart page, with

50 kHz view at left and 200 kHz view at right.

You can adjust the sensitivity in each window.

To adjust sensitivity in auto mode:

1. Press MENU|ENT.

2. The unit asks which you wish to adjust. Press ← or→ to select the

one you want | ENT.

3. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity;

press ↑ to increase sensitivity. When it's set at the desired level, press

EXIT. (When you reach the maximum or minimum limit, a tone sounds.)

The Split Frequency Sonar Chart page allows you to adjust

sensitivity separately for each window.

Digital Data/Chart

This mode shows the chart on the right side of the screen. The left side has

seven large digital data boxes or windows containing: Water Depth; Water

Speed (from an optional speed sensor); Water Distance (distance traveled or

log, it also requires a speed sensor); Surface Water Temperature; Tempera-

ture #2, Temperature #3 and Voltage. (Note: Temperature #2 and #3 re-

quire additional optional temperature sensors.)

Digital Data/Chart

Customizing the Digital Data/Chart Screen

The Digital Data/Chart screen can be customized to show digital data

different from the defaults first shown. To customize this screen:

1. From the Sonar Page (in Digital Data mode), press MENU|↓ to

CUSTOMIZE|ENT.

The Customize command will not appear until you begin

scrolling down the Sonar Page menu. At far left, the

pop-up help box conceals part of the menu.

2. The Water Speed box title bar flashes, indicating the box contents

can be changed. Press ENT|↑ or ↓ to select data type|ENT|EXIT.

Options List for customizing Digital Data boxes. At left, the list first

appears with Water Speed selected. At right, Maximum Speed has been

picked to replace Water Speed in the top digital data box.

Tip:

You can customize other digital data boxes before returning to the

Sonar Page. After changing the first box by selecting the Data Type

and pressing Enter, use the ↓ key to select another box to change.

When the selected box title bar flashes, press ENT|↑ or ↓ to select

data type|ENT. Repeat these steps until you're finished customizing,

then press EXIT to return to the Sonar Page.

FlashGraf

The FlashGraf sonar page option represents a flasher style sonar com-

bined with a scrolling chart. A circular dial shows all returning echoes

at a high screen refresh rate. It uses the Grayline feature to show

weaker targets as lighter colors. The bottom depth is also shown as a

black bar across the outer circle. You can adjust the size of the chart

and the flasher windows by using the Resize Window command, which

is described in Sec. 6.

FlashGraf page.

Bottom signal

Surface clutter

Fish signal,

approximately

16 feet

Map With Sonar Split Screen

There is a page mode that splits the screen in half, with the map on the

left and the sonar on the right. This screen option can be found on the

Pages Menu under the Map Page category.

Map With Sonar split screen option. At far right, the full Map Page is

shown. The Pages Menu with the Map option list is shown in the

center. At right, the Map With Sonar split screen is shown.

When this screen is activated, you need to specify which side the Menu,

Zoom In and Zoom Out keys correspond to. To do this, press

PAGES|PAGES. The window with the black title bar at the top of the screen

is the active window. To switch back, just press PAGES|PAGES again.

Sonar Simulator

This unit has a built-in simulator that lets you run it as if you were on

the water. All sonar features and functions are useable. When in

simulator mode, you will see the chart file name in the Sonar Page title

bar and a play symbol will flash on and off at the right end of the title

bar. To use the simulator:

1. From the Sonar Page, press MENU|MENU|↓ to SONAR SETUP|ENT|↓ to

SONAR SIMULATOR|ENT.

At left, Main Menu with Sonar Setup command selected. Center, sub-

menu with Sonar Simulator command selected. At right, Sonar Simu-

lator menu, with simulator turned off (check box is unchecked).

NOTE:

With Simulate Position checked, the simulator will also automatically

run the GPS simulator (if GPS data was recorded with the sonar log).

2. To use the default sonar chart log stored in the unit, press ENT|EXIT.

The recorded chart begins scrolling across the screen, just as if you

were on the water.

3. Turn off Sonar Simulator by pressing MENU|MENU|↓ to SONAR

SETUP|ENT|↓ to SONAR SIMULATOR|ENT|ENT|EXIT.

Sonar Page, playing a recorded sonar chart in Sonar Simulator mode.

Tip:

The Sonar Simulator can use sonar charts that you or a friend have

recorded (logged) on an MMC card. (To see how, read the entry in

this section on Log Sonar Chart Data.) To play back your own sonar

chart, make sure the MMC containing the chart is installed, then:

2. Press ↓ to CHART USED|ENT.

3. Press ↓ or ↑ to select chart name|ENT|↑ to SONAR SIMULATOR

ON|ENT|EXIT.

While you're in the Sonar Simulator menu, don't forget to check

Simulate Position if you want to run the sonar and GPS simulators

simultaneously. As you review sonar logs, you can create waypoints

to mark sites you want to return to.

While the simulator is running, you can switch from one chart log

to another by opening the Sonar Simulator menu and using the in-

structions in step 2 to select a different chart.

"Play"

symbol

flashing

Title bar with chart file name

Tip:

There's more than one way to play a recorded sonar chart. You can

also turn on the simulator from the MMC files list. Here's how:

1. Press MENU|MENU|↓ to BROWSE MMC FILES|ENT|ENT.

2. Press ↓ or ↑ to chart name|ENT|↓ to PLAY|ENT|EXIT.

Menu sequence for playing a sonar chart log from the MMC File List.

NOTE:

For some great practice, try running the Sonar Simulator and the

GPS Simulator at the same time. This will really give you a feel for

how the unit will work in the field.

NOTE:

If you turn on your unit before attaching a transducer, it may enter a

demo mode. The words "demo mode" flash on the bottom of the

screen and a sonar chart plays much like the simulator. Unlike the

simulator, the demo mode is for demonstration only, and will auto-

matically stop as soon as you turn on the unit with a transducer at-

tached. The simulator will continue to function normally.

Stop Chart

If you are running multiple units on a boat or using this unit in a car,

there are times when you may want to turn off the sonar. This com-

mand turns off the sonar and stops the chart from scrolling. Sonar re-

starts automatically each time you turn on your unit.

Press MENU|↓ to STOP CHART|ENT|EXIT.

To turn on sonar and start the chart scrolling again, repeat the above step.

Sonar Menu with Stop Chart command selected. The box is unchecked,

indicating that the chart is scrolling across the screen.

Surface Clarity

The markings extending downward from the zero line on the chart are

called "surface clutter." These markings are caused by wave action,

boat wakes, temperature inversion and more.

The surface clarity control reduces or eliminates surface clutter signals

from the display. It does this by changing the sensitivity of the receiver,

decreasing it near the surface and gradually increasing it as the depth

increases.

There are three levels of surface clarity available: low, medium, or high.

It can also be turned off. The default level is off.

To adjust the Surface Clarity level:

1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.

Sonar Features menu with Surface Clarity selected (at left, dual-

frequency menu; at right, single-frequency menu).

2. Press ↓ to SURFACE CLARITY|ENT.

3. Press ↓ or ↑ to select clarity level|EXIT|EXIT|EXIT.

In the illustration at left, Surface Clarity is turned off.

The right view shows Surface Clarity set at High.

Upper and Lower Limits

See the entry in this section for Depth Range - Upper and Lower Limits

Zoom & Zoom Bar

"Zooming" the display is a common, fast and easy method used to en-

large small detail, fish signals and the bottom with its associated struc-

ture. This unit lets you zoom the display quickly and easily by pressing

the Zoom In key, ZIN.

Pressing ZIN once doubles the size (2X) of all echoes on the screen.

Pressing it again quadruples the size of the echoes (4X). The zoom bar

on the far right side of the screen shows which echoes will be displayed

on the screen when the ZIN key is pressed.

For example, pressing the ZIN key once will enable a 2X zoom which

will show all echoes that are between the top and bottom of the 2X

zoom bar. Pressing the key again will give a 4X zoom and only the ech-

oes between the top and bottom of the 4X bar will show on the screen.

Press the Zoom Out key, ZOUT, to return the display to the normal mode.

Surface clutter

At left, Sonar Page, normal view. Center, same view zoomed to 2X.

Right, same view zoomed to 4X

Zoom Pan

Your unit has the handy ability to quickly zoom in on any portion of the

water column with just the touch of an arrow key. The Zoom Pan feature

lets you rapidly move the zoomed area up and down to different depths.

By "pointing" your zoom at different portions of the chart as it scrolls,

you can get a good, close-up look at structure or cover below you.

To use Zoom Pan, switch to a manual depth Range setting (see page 64)

and turn on 2X or 4X Zoom. Then, simply press ↑ or ↓ to pan up and

down the water column.

Notes

Section 5:

Sonar Troubleshooting

If your unit is not working, or if you need technical help, please use the

following troubleshooting section before contacting the factory customer

service department. It may save you the trouble of returning your unit

for repair. For contact information, refer to the last page, just inside the

back cover of this manual.

Unit won't turn on:

1. Check the power cable's connection at the unit. Also check the wiring.

2. Make sure the power cable is wired properly. The red wire connects

to the positive battery terminal, black to negative or ground.

3. Check the fuse.

4. Measure the battery voltage at the unit's power connector. It should

be at least 10 volts. If it isn't, the wiring to the unit is defective, the

battery terminals or wiring on the terminals are corroded, or the bat-

tery needs charging.

Unit freezes, locks up, or operates erratically:

1. Electrical noise from the boat's motor, trolling motor, or an accessory

may be interfering with the sonar unit. Rerouting the power and trans-

ducer cables away from other electrical wiring on the boat may help.

Route the sonar unit's power cable directly to the battery instead of

through a fuse block or ignition switch

2. Inspect the transducer cable for breaks, cuts, or pinched wires.

3. Check the transducer and power connector. Make sure it's securely

plugged in to the unit.

Weak bottom echo, digital readings erratic, or no fish signals:

1. Make sure the transducer is pointing straight down. Clean the face of

the transducer. Oil, dirt and fuel can cause a film to form on the trans-

ducer, reducing its effectiveness. If the transducer is mounted inside the

hull, be sure it is shooting through only one layer of fiberglass and that it

is securely bonded to the hull. When attaching a transducer to the inside

of a hull, ONLY use the epoxy available from LEI (order information is

inside the back cover). Do NOT use RTV silicone rubber adhesive or any

other type of epoxy. The LEI epoxy is specially formulated so that it will

cure properly for shoot-through applications.

2. Electrical noise from the boat's motor can interfere with the sonar.

This causes the sonar to automatically increase its discrimination or

noise rejection feature. This can cause the unit to eliminate weaker

signals such as fish or even structure from the display.

3. The water may be deeper than the sonar's ability to find the bottom.

If the sonar can't find the bottom signal while it's in the automatic

mode, the digital sonar display will flash continuously. It may change

the range to limits far greater than the water you are in. If this hap-

pens, place the unit in the manual mode, then change the range to a

realistic one, (for example, 0-100 feet) and increase the sensitivity. As

you move into shallower water, a bottom signal should appear.

4. Check the battery voltage. If the voltage drops, the unit's transmitter

power also drops, reducing its ability to find the bottom or targets.

Bottom echo disappears at high speeds or erratic digital read-

ing or weak bottom echo while boat is moving:

1. The transducer may be in turbulent water. It must be mounted in a

smooth flow of water in order for the sonar to work at all boat speeds. Air

bubbles in the water disrupt the sonar signals, interfering with its ability

to find the bottom or other targets. The technical term for this is cavitation.

2. Electrical noise from the boat's motor can interfere with the sonar.

This causes the sonar to automatically increase its discrimination or

noise rejection feature. This can cause the unit to eliminate weaker

signals such as fish or even structure from the display. Try using resis-

tor spark plugs or routing the sonar unit's power and transducer cables

away from other electrical wiring on the boat.

No fish arches when the Fish I.D. feature is off:

1. Make sure the transducer is pointing straight down. This is the most

common problem if a partial arch is displayed.

2. The sensitivity may not be high enough. In order for the unit to dis-

play a fish arch, it has to be able to receive the fish's echo from the time

it enters the cone until it leaves. If the sensitivity is not high enough,

the unit shows the fish only when it is in the center of the cone.

3. Use the Zoom feature. It is much easier to display fish arches when

zoomed in on a small range of water than a large one. For example, you

will have much better luck seeing fish arches with a 30 to 60 foot range

than a 0 to 60 foot range. This enlarges the targets, allowing the dis-

play to show much more detail.

4. The boat must be moving at a slow trolling speed to see fish arches.

If the boat is motionless, fish stay in the cone, showing on the screen as

straight horizontal lines.

NOISE

A major cause of sonar problems is electrical noise. This usually ap-

pears on the sonar's display as random patterns of dots or lines. In se-

vere cases, it can completely cover the screen with black dots, or cause

the unit to operate erratically, or not at all.

To eliminate or minimize the effects of electrical noise, first try to de-

termine the cause. With the boat at rest in the water, the first thing

you should do is turn all electrical equipment on the boat off. Make sure

the engine is also off. Turn your sonar on, then turn off Noise Reject

[also known as the ASP feature (Advanced Signal Processing)]. Sensi-

tivity should be set at 90-95 percent. There should be a steady bottom

signal on the display. Now turn on each piece of electrical equipment on

the boat and view the effect on the sonar's display. For example, turn

on the bilge pump and view the sonar display for noise. If no noise is

present, turn the pump off, then turn on the VHF radio and transmit.

Keep doing this until all electrical equipment has been turned on, their

effect on the sonar display noted, then turned off.

If you find noise interference from an electrical instrument, trolling mo-

tor, pump, or radio, try to isolate the problem. You can usually reroute

the sonar unit's power cable and transducer cable away from the wiring

that is causing the interference. VHF radio antenna cables radiate

noise when transmitting, so be sure to keep the sonar's wires away

from it. You may need to route the sonar unit's power cable directly to

the battery to isolate it from other wiring on the boat.

If no noise displays on the sonar unit from electrical equipment, then

make sure everything except the sonar unit is turned off, then start the

engine. Increase the RPM with the gearshift in neutral. If noise ap-

pears on the display, the problem could be one of three things; spark

plugs, alternator, or tachometer wiring. Try using resistor spark plugs,

alternator filters, or routing the sonar unit's power cable away from

engine wiring. Again, routing the power cable directly to the battery

helps eliminate noise problems. Make sure to use the in-line fuse sup-

plied with the unit when wiring the power cable to the battery.

When no noise appears on the sonar unit after all of the above tests,

then the noise source is probably cavitation. Many novices or persons

with limited experience make hasty sonar installations which function

perfectly in shallow water, or when the boat is at rest. In nearly all

cases, the cause of the malfunction will be the location and/or angle of

the transducer. The face of the transducer must be placed in a location

that has a smooth flow of water at all boat speeds. Read your trans-

ducer owner's manual or the Installation instructions (Sec. 2) in this

manual for the best mounting position.

Notes

Section 6:

Basic GPS Operations

This section addresses the unit's most basic GPS operations. The tuto-

rials presented in Sec. 6 follow a chronological order. Sec. 7, Advanced

GPS Operations, will discuss other more advanced functions and utili-

ties. Material in Sec. 7 is arranged in alphabetical order.

Before you turn on the unit and find where you are, it's a good idea to

learn about the different keys, the four Page screens and how they all

work together. BUT, if you just can't wait to get outside, turn to the

one-page Quick Reference on page 112.

Keyboard

LMS-480 sonar/GPS unit, front view, showing map with sonar split

screen, keyboard and access door for the MMC slot.

1. PWR/LIGHT (Power & Light) – The PWR key turns the unit on and

off and activates the backlight.

2. PAGES – Pressing this and the ← → arrow keys (4) switches the

unit between the four different page screens. (Satellite Status Page,

Navigation Page, Map Page and Sonar Page.) Each page represents one

of the unit's major operation modes.

MMC slot access door

100

3. MENU – Press this key to show the menus and submenus, which

allow you to select a command or adjust a feature. This also accesses

search functions for streets, intersections, addresses and highway exits.

4. ARROW KEYS – These keys are used to navigate through the

menus, make menu selections, move the map cursor and sonar chart

cursor and enter data.

5. ENT/ICONS (Enter & Icons) – This key allows you to save data, ac-

cept values or execute menu commands. It is also used to create event

marker icons.

6. EXIT – The Exit key lets you return to the previous screen, clear

data or erase a menu.

7. WPT – (Waypoint) The Waypoint key is used to save and recall way-

points, search for waypoints and access the waypoint list. It also

launches the Point-of-Interest (POI) search menus and is involved in

some navigation functions.

8. ZOUT – (Zoom Out) – This key lets you zoom the screen out. On the

Sonar Page, this key returns you to a full sonar chart display, showing

the entire water column from surface to bottom. On the Map Page, this

lets you see a larger geographic area on the map. Less detail is seen as

you zoom out.

9. ZIN – (Zoom In) – This key lets you zoom the screen in. On the Sonar

Page, this key enlarges fish signals and bottom detail. On the Map

Page, zooming in lets you see greater detail in a smaller geographic

area on the map.

Power/lights on and off

To turn on the unit, press PWR. As the unit powers up, the Map Page is

displayed first. (To switch to another page, press PAGES|← or → to

Page Name|EXIT.)

To turn on the backlight, press PWR again. The unit has three backlight

levels to select from. Repeatedly pressing PWR will cycle through the

backlight settings and turn off the backlight.

Turn off the unit by pressing and holding the PWR key for 3 seconds.

Main Menu

The unit has a Main Menu, which contains some function commands and

some setup option commands. The tutorial lessons in this section will

deal only with functions, the basic commands that make the unit do

something. The GPS will work fine for these lessons right out of the box

with the factory default settings. But, if you want to learn about the

various options, see Sec. 8, System Setup and GPS Setup Options.

101

You can access the Main Menu from any of the four Page screens by

pressing MENU|MENU. To clear the menu screen and return to the page

display, press EXIT.

Main Menu.

The Main Menu commands and their functions are:

Screen command: changes the contrast or brightness of the display

screen.

Sounds command: enables or disables the sounds for key strokes and

alarms and sets the alarm style.

Alarms command: turns GPS or sonar alarms on or off and changes

alarm thresholds.

Route Planning command: used to plan, view or navigate a route.

My Trails command: shows, hides, creates and deletes plot trails. Also

used to navigate or backtrack a trail.

Cancel Navigation command: turns off the various navigation com-

mands. Used to stop navigating after you have reached your destina-

tion waypoint, Point of Interest or map cursor location; or after you

reach the end of a route or trail.

Sonar Setup command: sets various sonar options.

GPS Setup command: sets various GPS receiver options.

System Setup command: sets general configuration options.

Sun/Moon Calculations command: finds the rising and setting time

of the sun and the moon.

Trip Calculator command: shows trip status and statistics.

102

Timers command: controls the up timer, down timer and alarm clock

settings.

Browse MMC Files command: this allows you to view the installed

MMC card and the files it contains.

Pages

The unit has four Page displays that represent the four major operating

modes. They are the Satellite Status Page, the Navigation Page, Map Page

and the Sonar Page. They are accessed by pressing the PAGES key, then

using → or ← to select a Page. (Clear the Pages Menu by pressing EXIT.)

Pages Menu, showing some Map display options.

Sonar Page

The Sonar Page displays the sonar chart, a view of the water column

from the surface to the bottom. The chart scrolls across the screen from

right to left, displaying signal echoes that represent fish, structure and

the bottom. The Sonar Page is discussed in detail in Sec. 3. To get to

the Sonar Page: Press the PAGES key, then use → or ← to select SONAR.

(Clear the Pages Menu by pressing EXIT.)

Satellite Status Page

The Satellite Status Page, shown, provides detailed information on the

status of the unit's satellite lock-on and position acquisition. To get to

the Satellite Status Page: Press the PAGES key, then use → or ← to

select STATUS. (Clear the Pages Menu by pressing EXIT.)

No matter what Page you are on, a flashing current position indica-

tor/question mark symbol and flashing GPS data displays indicate that

satellite lock has been lost and there is no position confirmed. The Sat-

103

ellite Status Page shows you the quality and accuracy of the current

satellite lock-on and position calculation.

WARNING:

Do not begin navigating with this unit until the numbers

have stopped flashing!

Satellite Status Page. Left view indicates unit has not locked on to any

satellites and does not have a fix on its position. Center view shows sat-

ellites being scanned. Right view shows satellite lock-on with a 3D posi-

tion acquired (latitude, longitude and altitude), and WAAS reception.

This screen shows a graphical view of the satellites that are in view. Each

satellite is shown on the circular chart relative to your position. The point in

the center of the chart is directly overhead. The small inner ring represents

45° above the horizon and the large ring represents the horizon. North is at

the top of the screen. You can use this to see which satellites are obstructed

by obstacles in your immediate area if the unit is facing north.

The GPS receiver is tracking satellites that are in bold type. The re-

ceiver hasn't locked onto a satellite if the number is grayed out, there-

fore it isn't being used to solve the position.

Beneath the circular graph are the bar graphs, one for each satellite in

view. Since the unit has twelve channels, it can dedicate one channel

per visible satellite. The taller the bar on the graph, the better the unit

is receiving the signals from the satellite.

NOTE:

One of the data display options for the Satellite Status page is "Po-

sition Error" (horizontal position error), which can appear in one of

the page's data boxes. If you turn on Position Error, it will show you

the expected error from a benchmark location. In other words, if the

Position Error box shows 50 feet, then the position shown by the

unit is estimated to be within 50 feet of the actual location.

104

This also gives you an indicator of the fix quality the unit currently

has. The smaller the position error number, the better (and more ac-

curate) the fix is. If the position error flashes dashes, then the unit

hasn't locked onto the satellites, and the number shown isn't valid.

(For details, see the Customize Page Displays entry in Sec. 8.)

The Satellite Status Page has its own menu, which is used for setting

various options. (Options and setup are discussed in Sec. 8). To access

the Satellite Status Page Menu, from the Status Page, press MENU.

Navigation Page

This screen has a compass rose that not only shows your direction of

travel, but also the direction to a recalled waypoint. To get to the Navi-

gation Page: Press PAGES|→ or ← to NAVIGATION|EXIT.

The navigation screen looks like the one below when you're not navi-

gating to a waypoint or following a route or trail. Your position is

shown by an arrow in the center of the screen. Your trail history, or

path you've just taken, is depicted by the line extending from the arrow.

The arrow pointing down at the top of the compass rose indicates the cur-

rent track (direction of travel) you are taking.

Navigation Page, recording a trail, traveling southwest. Page looks

like this when the unit is not navigating to a waypoint, following a

route, or backtracking a trail.

Compass

rose

Navigation

information

displays in

customizable

data boxes

Present

position

arrow

Trail line

Track or compass heading indicator, showing direction of travel

105

When navigating to a waypoint, the Navigation screen looks like the

following figure. Your ground speed, track, distance and bearing to

waypoint, and course are all shown digitally on this screen.

NOTE:

Remember, when the Speed, Track and Position information dis-

plays are flashing, satellite lock has not been achieved and no posi-

tion fix has been determined. A question mark will also flash on the

present position arrow in the center of the compass rose.

Speed (ground speed) is the velocity you are making over the ground. (If

you wish, you can customize the Speed data box to display Closing

Speed instead. Closing Speed is also known as velocity made good. It's

the speed that you're making toward the waypoint. For instructions,

see the Customize Page Displays entry in Sec. 8.)

Track is the heading, or the current direction you are actually travel-

ing. Bearing is the direction of a line-of-sight from your present position

to the destination. No matter what direction you are steering, the

Bearing window shows the compass direction straight to the destina-

tion from your location at the moment. Distance shows how far it is to

the waypoint you're navigating toward.

The Off Course window shows the current cross track error. This shows

the distance you are off-course to the side of the desired course line. The

course line is an imaginary line drawn from your position when you

started navigating to the destination waypoint. The course line is shown on

the Navigation Page screen (and the Map Page screen) as a dotted line.

Navigation Page, going to a waypoint while creating a new trail.

Destination

name

Navigation

information

displays

in data

boxes

Bearing

arrow

Cross track

error range

(off course

indicator)

Waypoint

symbol

Current track or

heading, shown

in degrees

Compass bearing

to destination

Trail line

Course line

Left cross track error line

Heading arrow

106

The cross track error range is shown on the compass rose as a wide,

white, corridor enclosing the course line. The outer edges of this white

corridor represent lines that show the current cross track error range.

The default for the cross track error range is 0.20 miles.

For example, if the present position symbol touches the right cross

track error line, then you are 0.20 miles to the right of the desired

course. You need to steer left to return to the desired course. You can

use the ZIN or ZOUT keys to change the cross track error range.

A circular symbol depicting your destination (waypoint) appears on the

screen as you approach the waypoint, as shown on the screen in the

preceding figure.

Travel Time is the time that it will take to reach your destination at

your present closing speed. (You can also customize the time data box

to show Arrival Time instead. Arrival Time is the local time it will be

when you arrive at the destination, based upon your present closing

speed and track.)

In the preceding example figure, the driver is headed west (a 265º

track) toward a waypoint 265º (bearing) away. The cross track error

range (white corridor) is 0.20 miles either side of the course. The driver

is headed toward trail waypoint 4, which is 0.3 miles away. The vehicle

is right on course. Traveling at a speed of 8 mph, the driver will arrive

at the waypoint in 2 minutes, 17 seconds.

The Navigation Page has its own menu, which is used for some ad-

vanced functions and for setting various options. (Options and setup

are discussed in Sec. 8). To access the Navigation Page Menu, from the

Navigation Page, press MENU.

Map Page

The Map Page screens show your course and track from a "bird's-eye"

view. By default, this unit shows the map with north always at the top

of the screen. (This can be changed. See the topic Map Orientation, in

Sec. 8.) If you're navigating to a waypoint, the map also shows your

starting location, present position, course line and destination. You

don't have to navigate to a waypoint, however, to use the map.

Map Page is the default screen that appears when you turn on the unit.

To get to the Map Page from another page: Press PAGES|→ or ← to

MAP|EXIT. When the Map Page is displayed, a screen similar to the fol-

lowing figures appears.

107

The arrow in the center of the screen is your present position. It points

in the direction you're traveling. The solid line extending from the back

of the arrow is your plot trail, or path you've taken.

The map zoom range is the distance across the screen. This number

shows in the lower right corner of the screen. In the first of the follow-

ing example figures, the range is 4,000 miles from the left edge of the

map to the right edge of the map.

The Zoom In and Zoom Out keys zoom the map to enlarge or reduce its

coverage area and the amount of mapping detail shown. There are 39

available map zoom ranges, from 0.02 miles to 4,000 miles.

Far left, Map Page opening screen. Center, zoomed to 100 miles and

right, zoomed to 10 miles. Over Zoomed means you have reached the

detail limits in an area covered only by the basic background map.

Zooming in any closer will reveal no more map details because a high-

detail custom map has not been loaded on the MMC for this area.

If you're using only the factory-loaded background map, the maximum

zoom range for showing additional map detail is 20 miles. You can con-

tinue to zoom in closer, but the map will simply be enlarged without

revealing more map content (except for a few major city streets.) Load

your own high-detail custom map made with MapCreate (or a pre-made

FreedomMap from LEI), and you can zoom in to 0.02 miles with mas-

sive amounts of accurate map detail.

108

Map Pages with high-detail MapCreate map of an urban area loaded on

the MMC. At left, arterial streets appear at the 4 mile zoom range, with a

few Point of Interest icons visible. Center, numerous dots representing

Points of Interest are visible at the 2 mile range, along with minor

streets. Right, at the 0.4 mile zoom, you can see an interstate highway

with an exit, major and minor streets as well as Point of Interest icons.

Background map vs. MapCreate map content

The background map includes: low-detail maps of the whole world (con-

taining cities, major lakes, major rivers, political boundaries); and me-

dium-detail maps of the United States.

The medium-detail U.S. maps contain: all incorporated cities; shaded

metropolitan areas; county boundaries; shaded public lands (such as

national forests and parks); some major city streets; Interstate, U.S.

and state highways; Interstate highway exits and exit services informa-

tion; large- and medium-sized lakes and streams; and more than 60,000

navigation aids and 10,000 wrecks and obstructions in U.S. coastal and

Great Lakes waters

MapCreate custom maps include massive amounts of information not

found in the background map. MapCreate maps contain the searchable

Points of Interest database, all the minor roads and streets, all the

landmark features (such as summits, schools, radio towers, etc.); more

rivers, streams, smaller lakes and ponds and their names.

What's more important is the large scale map detail that allows your

GPS unit to show a higher level of position accuracy. For example, the

background map would show you the general outline and approximate

shape of a coastline or water body, but the higher detail in MapCreate

shows the shoreline completely and accurately (finer detail). Many

smaller islands would not be included in the background map, but are,

of course, in MapCreate.

109

NOTE:

Available through LEI Extras (look inside back cover for accessory

ordering information), FreedomMaps are pre-made maps that con-

tain all of the same information available in a custom MapCreate

map, without any of the work of preparation.

When the map is zoomed out far enough, most POIs appear as square

dots. As you zoom in closer, the symbols become readable icons. In the

0.2 mile zoom example at right, the cursor has selected the Cupps Café

POI, which triggers a pop-up box with the POI name. This pop-up box

works on POIs at any zoom range.

Tip:

In some urban areas, businesses are so close to one another that

their POI icons crowd each other on the screen. You can reduce

screen clutter and make streets and other map features easier to

see by simply turning off the display of POIs you're not watching

for. (To see how, check the text on Map Detail Category Selection,

page 158. It shows how to use the Map Categories Drawn menu to

turn individual POI displays off and on.) Even though their display

is turned off, you can still search for POIs and their icons will pop-

up when your unit finds them for you.

The Map Page has its own menu, which is used for several functions

and for setting various options. To access the Map Page Menu, from the

Map Page, press MENU.

The Pages Menu also offers several map display options under the Map

Page category. To access them, press PAGES|← or → to MAP|↓ to Op-

tion|EXIT.

School POI

POI

Pop-up

Restaurant

POI

Marker

Position,

distance and

bearing data

Cursor line

Interstate Major Street

Minor

Streets

Zoom Range

110

At left, Digital Data map page; at right, Two Position Formats page.

In pages that have two major windows (such as two maps) you can tog-

gle back and forth between the two windows by pressing

PAGES|PAGES. This allows you to change which map your cursor

moves on, and which map the menu operates on. A black title bar de-

notes the active window.

Pages Menu with Two Map option selected, left.

Map Page with two map windows, at right. The left map is active.

Resize Window is another extremely handy feature for pages that have

two major windows. You can change the horizontal size of the windows

to suit your viewing preference. Here's how:

1. From any two-window display, press MENU|↓ to RESIZE WINDOW|ENT.

2. Two flashing arrows appear along the centerline dividing the two

windows. Press ← or → to adjust the window widths. Press EXIT to

clear the menu.

111

3. To change the window size again or revert back to the original dis-

play, just follow the steps above. (Most dual-window displays use half

the screen for each window by default.) You can also use the Reset Op-

tions command to revert to the factory default.

The following page contains a 12-step quick reference for the most basic

GPS operations. If you don't want to carry the manual with you as you

practice with the unit, you might consider photocopying this quick ref-

erence page and tucking it into your pocket.

112

Basic GPS Quick Reference

Start outdoors, with a clear view of the open sky. As you practice, try

navigating to a location at least a few blocks away. While you're learning,

navigation in too small an area will constantly trigger arrival alarms.

1. Connect the unit to electric power and the antenna module. Make sure

the MMC is in. (See complete installation details beginning on page 13.)

2. To turn on the unit, press and release PWR key.

3. Opening screen displays map of North America at the 4,000 mile

zoom range. Rotate through the four main Page screens (Map Page,

Satellite Status Page, Navigation Page and Sonar Page) by pressing

PAGES|← or → to select Page Name|EXIT. Switch Pages to display Sat-

ellite Status Page.

4. Wait while unit locates satellites and calculates current position. Process

is visible on Satellite Page. This takes an average of 1 minute or less under

clear sky conditions (unobstructed by terrain or structures.) When the unit

acquires position, a tone sounds and a position acquired message appears.

5. With position acquired, press PAGES key to display Map Page, which

shows a bird's eye view of the earth. You can move around the map by:

Zoom in closer to see greater detail: press ZIN (zoom in key.)

Zoom out to see more area, less detail: press ZOUT (zoom out key.)

Scroll map north, south, east or west using arrow keys ↑ ↓ → ← .

To stop scrolling and return to current position on map, press EXIT key.

6. Set a waypoint (Wpt 001) at your current position so you can navigate

back here: press WPT|WPT. Waypoint symbol and "001" appears.

7. Zoom/scroll map to find a nearby object or location to go to. Use ar-

row keys to center cursor cross-hair over the map object or location.

8. Navigate to the selected destination: press MENU|ENT|EXIT. Follow dot-

ted course line on Map Page or compass bearing arrow on Navigation Page.

9. At destination, Arrival Alarm goes off; to clear it, press EXIT. Cancel

10. Return to Wpt 1 by Navigate To Waypoint or Backtrack Trail. To

Waypoint: press WPT|→ to SAVED|ENT|ENT|ENT. Use ↑ or ↓ to select

Wpt 001, press ENT|ENT; follow navigation displays. Trail: press

MENU|MENU|↓ to MY TRAILS|ENT. Press ↓ to Trail 1|ENT|→|↓ to

NAVIGATE|ENT|↓ to NAVIGATE|ENT|→ to REVERSE|ENT|← to NAVIGATE|ENT.

(If arrival alarm sounds, press EXIT.) Follow navigation displays.

11. Back home, Arrival Alarm goes off; press EXIT. Cancel navigation:

12. To turn off the unit, press and hold PWR key for three seconds.

113

Find Your Current Position

Finding your current position is as simple as turning the unit on. Un-

der clear sky conditions, the unit automatically searches for satellites

and calculates its position in approximately one minute or less.

NOTE:

"Clear sky" means open sky, unobstructed by terrain, dense foliage

or structures. Clouds do not restrict GPS signal reception.

If for some reason satellite acquisition takes longer, you may be inside

a structure or vehicle or in terrain that is blocking signal reception. To

correct this, be sure you are positioned so that the unit's antenna mod-

ule has as clear a view of the sky as possible, then turn the unit off and

back on again.

Moving Around the Map: Zoom & Cursor Arrow Keys

The map is presented from a bird's eye view perspective. The current

zoom range shows in the lower left corner of the screen.

1. Press the ZIN key (zoom in) to move in closer and see greater detail in

a smaller geographic area.

2. Press the ZOUT key (zoom out) to move farther away and see less map

detail, but a larger geographic area.

When you are traveling, the map will automatically move as you move.

This keeps your current location roughly centered on the screen.

You can manually pan or scroll the map northward, southward, east-

ward or westward by using the arrow keys, which launch the cross-hair

map cursor. This allows you to look at map places other than your cur-

rent position. To clear the cursor, press EXIT, which jumps the map

back to the current position or the last known position.

Tip:

Use the cursor to determine the distance from your current position

(or last known position, when working indoors) to any map object or

location. Simply use the arrow keys to position the cursor over the

object or place. The distance, measured in a straight line, appears

in the popup data box. Press EXIT to clear the cursor.

114

The selected airport to the northwest is 4.2 miles away.

Selecting Any Map Item With the Cursor

1. Use the zoom keys and the arrow keys to move around the map and

find the item you wish to select.

2. Use the arrow keys and center the cursor cross-hair on the desired ob-

ject. On most items, a pop-up box will give the name of the selected item.

Tip:

This unit has an extremely handy Cursor Undo feature that lets

you instantly return to the previous location you were looking at

without scrolling. It works like this: Use the cursor (arrow keys) to

scroll the map to some far away location or waypoint. Press EXIT to

clear the cursor and jump back to your current position on the map.

When you want to take another peek at that distant place, just

press EXIT again. You can use this trick to toggle between your cur-

rent position and your destination without a lot of scrolling.

Searching

Now that you've seen how the unit can find where you are, let's search

for something somewhere else. Searching is one of the most powerful

features in the Lowrance GPS product line.

In this example, we'll look for the nearest fast-food restaurant. For more

information on different types of searches, refer to Sec. 9, Searching.

NOTE:

This example requires the Point of Interest (POI) database included

with a high detail MapCreate 6 custom map.

After the unit has acquired a position:

1. Press WPT|↓ to POI-RESTAURANTS.

Distance

measured

by cu

sor

Cursor line

Selected

airport

Cursor line

POI pop-up

data box

115

2. You could search the entire restaurant category, but in this example

we will narrow our search. Press → to SUBCATEGORY column|↓ to FAST

FOOD CHAINS|ENT|↓ to NEAREST|ENT.

3. The unit says it is calculating, then a list of restaurants appears,

with the closest at the top of the list, and the farthest at the bottom of

the list. The nearest is highlighted.

Find Waypoint Menu, left; Category Selection menu, center; and list of

the nearest restaurants, right.

4. If you wish, you could scroll ↑ or ↓ here to select another restaurant,

but for now we will just accept the nearest one. Press ENT.

5. The POI information screen appears. (This is how you can use this

unit as a business phone directory!) If you wanted to navigate there,

you could press Enter, since the Go To Waypoint command is high-

lighted. But we just want to see it on the map, so press ↓ to FIND ON

MAP|ENT.

POI information screen on fast food restaurant nearest this position.

Screen shows name, street address, phone number, latitude/longitude,

distance to restaurant and its compass bearing. Figure at left shows

116

Go To Waypoint command; right figure shows Find On Map command.

6. The unit's map appears, with the cross-hair cursor highlighting the

restaurant' s POI symbol. A pop-up data box shows the POI's name,

distance and bearing. A data box at the bottom of the screen continues

to display the location's latitude and longitude.

Map screen showing Finding Waypoint,

the result of a restaurant search.

7. To clear the search and return to the last page displayed, press

EXIT|EXIT|EXIT|EXIT. (Before you completely exited out of the Search

menus, you could have gone looking for another place.)

NOTE:

Search works from mapping and POI data loaded in the unit. If you

do not have a high-detailed custom map (containing POI data) for

the area you are searching loaded on the MMC, you may not find

anything.

Set a Waypoint

A waypoint is simply an electronic "address," based on the latitude and

longitude of a position on the earth. A waypoint represents a location,

spot, or destination that can be stored in memory, then be recalled and

used later on for navigation purposes.

You can create a waypoint at the cursor position on the map, or at your

current position while you are navigating. You can create a waypoint at

any location by manually entering the position's latitude and longitude.

You can copy waypoints from your unit to your personal computer with

MapCreate software. When you want to repeat a trip, these archived

waypoints can be reloaded into your GPS unit.

117

To create and save a Waypoint:

These first two techniques use the Quick Save method, the fastest and

easiest way to create a waypoint.

Create Waypoint at Current Position

While you are traveling, press WPT|WPT. The waypoint is saved and

automatically given a name with a sequential number, such as "way-

point 003." The waypoint symbol and number appear on the map.

Sequence for setting a waypoint. Step 1: while traveling, quickly press

WPT twice to call up Find Waypoint screen (seen in Step 2) and set a

point. Step 3: a message says the waypoint has been saved. Step 4: ve-

hicle continues on its way; number waypoint symbol is visible on map.

NOTE:

The Quick Save method uses the default waypoint symbol until you

edit an existing waypoint and change its symbol. (Edit Waypoint

Symbol is described in Sec. 7.) After you have changed a waypoint

symbol, the unit will remember the one you chose and use it the

Step 3. Step 4.

Step 1. Step 2.

118

next time you "quick save" a waypoint. To revert back to the default

symbol, edit a waypoint and choose the original symbol, or use the

Reset Options command (described in Sec. 8).

Create Waypoint on Map

1. Use the arrow keys to move the cursor to the place where you want

to make a waypoint.

2. Press WPT|WPT. The waypoint is saved and automatically given a

name with a sequential number, such as "waypoint 001." The waypoint

symbol and number appear on the map.

Create Waypoint by Entering a Position

1. Press WPT|→ to SUBCATEGORY column|↓ to NEW|ENT.

2. Press ↓ to ENTERED POSITION|ENT|→ to CREATE|ENT.

3. Press → to LATITUDE|ENT. Enter the latitude by pressing ↑ or ↓ to

change the first character, then press → to the next character and re-

peat until the latitude is correct. Press ENT.

4. Press ↓ to LONGITUDE|ENT. Enter the longitude by pressing ↑ or ↓ to

change the first character, then press → to the next character and repeat

until the longitude is correct. Press ENT, then EXIT|EXIT to return to the

previous page display. The waypoint is saved and automatically given a

name with a sequential number, such as "waypoint 001." The waypoint

symbol and number appear on the map and in the waypoint list.

Navigate To a Waypoint

You can select any waypoint visible on the Map Page with the cursor,

then use the Navigate to Cursor command (we'll describe how later in

this section.) However, you can avoid scrolling the map to pick your

waypoint if you use the Find Waypoint commands:

1. Press WPT|→ to SAVED|ENT. To look up the nearest waypoint, press

↓ to NEAREST|ENT; or, to look by name (and scroll through the entire

waypoint list), press ENT. For this example, look by name.

2. If your waypoint list is a long one, you can spell out the waypoint name

in the FIND BY NAME box to search for it. (Press ↑ or ↓ to change the first

character, then press → to move the cursor to the next character and re-

peat until the name is correct, then press ENT to jump to the list below.)

3. If the list is short, you can jump directly to the FIND IN LIST box by

pressing ENT. Use ↑ or ↓ to select the waypoint name, press ENT and the

waypoint information screen appears with the GO TO command selected.

4. To begin navigating to the waypoint, press ENT.

119

Navigation Page, navigating toward waypoint 004 and leaving a trail.

Set Man Overboard (MOB) Waypoint

One of boating's most terrifying events is having a friend or family

member fall overboard. This situation can be deadly on any body of wa-

ter — fresh or salt. It's particularly dangerous at night or if you're out

of sight of land. Of course, the first thing to do is remain calm and then

use all standard safety procedures to rescue the person.

This unit has a man overboard feature that shows navigation data to

the location where the feature was activated. To activate it, press the

ZOUT and ZIN keys at the same time. Your position at the time these

keys are pressed is used as the man overboard position.

Caution:

Saving a new "Man Overboard" waypoint will overwrite and

erase the previous "Man Overboard" waypoint.

Navigate Back to MOB Waypoint

Find your way back to the accident position with the Navigation Page

or Map Page. When MOB is activated, the Navigation Page automati-

cally shows the compass rose with its bearing arrow pointing toward

the man overboard position, and the destination name says "Going To

Man Overboard." The Map Page displays a Man Overboard waypoint,

represented by a human figure, and the steering arrow points where to

steer to reach that position.

Waypoint

Destination

name

Trail line

(solid)

Course line

(dotted)

Off course

range, set at

0.20 mile

120

Navigating to Man Overboard: Man Overboard Activated message, left,

Navigation Page, center, Map Page, right. The victim is to the starboard

of the vessel; the GPS shows which direction to steer to for the rescue.

The man overboard position is also stored in the waypoint list for future

reference. It can be edited the same as any other waypoint. This pre-

vents the inadvertent loss of the current Man Overboard position.

To cancel navigation to MOB, press MENU|MENU|↓ to CANCEL NAVIGA-

TION|ENT|← to YES|ENT. The unit stops showing navigation information.

Navigate to Cursor Position on Map

The GO TO CURSOR command: navigates to the current cursor position on

the map. It's a quick and handy way to navigate to anything you can

see on the map display.

1. Use the cursor (controlled by the arrow keys) with the zoom in and

zoom out keys to maneuver around the map until you find a location

you want to go to.

2. Center the cursor over the location to select it. See the example in

the following figure. (Many map items such as waypoints, Points of In-

terest, towns, etc. can be "selected," and appear "highlighted" with a

pop-up box. Other features, such as a river or a street intersection will

not appear "highlighted," but the cursor will take you to those locations

just the same.)

121

Navigate to cursor. In this example, the cursor has selected the town of

Oologah, Oklahoma.

3. Press MENU|ENT and the unit will begin navigating to the cursor lo-

cation.

The Map Page will display a dotted line from your current position to the

cursor position. The Navigation Page displays a compass rose showing

navigation information to your destination. See the following examples.

The 15-mile zoom figure at left clearly shows the dotted course line

connecting your current position to your destination. The 40-mile

zoom, center, shows both current position and destination on screen.

The Navigation Page, right, will also show navigation information.

To stop navigating to the cursor, use the Cancel Navigation command:

stops showing navigation information.

Navigate to a Point of Interest

For POIs that are in view on the map, you can easily use the Navigate

to Cursor command above; just use the cursor to select the POI.

122

The other method involves searching for POIs with the Find Waypoint

command, launched with the WPT key. (See the searching example ear-

lier in this section, or turn to Sec. 9, Searching, for detailed instructions

on POI searches.)

After you have looked up an item with the Find Waypoint command,

use ↑ or ↓ to make sure the GO TO WAYPOINT command is highlighted at

the top of the screen, then press ENT. The unit begins showing naviga-

tion information to the item.

To cancel navigation, press MENU|MENU|↓ to CANCEL NAVIGATION|ENT|←

to YES|ENT. The unit stops showing navigation information.

Creating and Saving a Trail

A trail, or plot trail, is a string of position points plotted by the unit as

you travel. It's a travel history, a record of the path you have taken.

Trails are useful for repeating a journey along the same track. They are

particularly handy when you are trying to retrace your trip and go back

the way you came. On the screen, trails are represented by a solid line

extending from the back of the current position arrow.

The unit is set at the factory to automatically create and record a trail

while the unit is turned on. The unit will continue recording the trail

until the length reaches the maximum trail point setting (default is

2,000, but the unit can record trails 9,999 points long). When the point

limit is reached, the unit begins recording the trail over itself.

By default, the trail flashes once a second, making it easier to see against

the background map. With the default auto setting, this unit creates a

trail by placing a dot (trail point) on the screen every time you change di-

rections. (The methods used for creating a trail and the trail update rate

can both be adjusted or even turned off. See Sec. 8 for Trail Options.)

To preserve a trail from point A to point B, you must "turn off" the trail

by making it inactive before heading to point C or even back to point A.

When the current trail is set inactive, the unit automatically creates

and begins recording a new trail.

To Save a Trail

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

123

Sequence for saving a trail and beginning a new one. At left, My Trails

command. Center, the Trails Menu. The arrow to the right of Trail 14

indicates the trail is "active," and the check to the left indicates the

trail is visible on the map display. The right figure shows the Edit

Trail menu, with the Active command selected.

2. Press ↓ to the Active Trail Name|ENT.

3. Press ↓ to ACTIVE|ENT. This unchecks the Active option.

4. To return to the previous page, press EXIT|EXIT|EXIT|EXIT. As you

leave the Edit Trail menu, you will notice that a new trail starts with a

new sequential number. In the example figure below, the new trail is

number 15, showing zero points. Note that Trail 14 is inactive, but it is

still visible on the map.

New trail, named "Trail 15," is created when Trail 14 is made inactive.

Any new travel will be recorded in this trail, which is active and visi-

ble. Trails do not need to be visible in order to be active.

You can save and recall up to 10 different plot trails, which can also be

copied to your MMC for archiving or for transfer to your MapCreate

software.

Active

symbol

Visible

symbol

124

Tip:

Another quick way to stop recording one trail and begin a new one

is to use the New Trail command: Press MENU|MENU|↓ to MY

TRAILS|ENT|ENT.

Caution:

You also have the option of completely turning off trail record-

ing, under the trail Options command. However, if the Update

Active Trail option is left turned off, it will cancel the automatic

trail creation feature.

Displaying a Saved Trail

The active trail is automatically displayed on the map (the "Visible"

option) with the factory default settings. You can selectively turn trail

display off and on for any saved or active trail. In the Saved Trails List,

visible trails have a check mark in front of the trail name.

To turn off trail display:

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press ↓|↓ to enter the Saved Trail list, then use ↑ or ↓ to select the

desired Trail Name|ENT.

3. Press ↓ to ACTIVE|→ to VISIBLE|ENT. To return to the previous page,

press EXIT|EXIT|EXIT|EXIT.

To turn on trail display:

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press ↓|↓ to enter the Saved Trail list, then use ↑ or ↓ to select the

desired Trail Name|ENT.

3. Press ↓ to ACTIVE|→ to VISIBLE|ENT. To return to the previous page,

press EXIT|EXIT|EXIT|EXIT.

Navigating Trails

There are three methods for following a trail: visual trailing, navigating

a trail (forward) and backtracking a trail (backward). Try each method

to see which you prefer.

Visual trailing is the simplest method. It uses only the Map Page and

requires no menu commands at all. The technique works the same if

you are running a trail forward (from start to end) or backward (from

end to start.) However, visual trailing provides no navigation informa-

tion during the trip, such as the time to your destination.

125

The other two methods provide a full range of navigation data and work

with both the Map Page and Navigation Page. The only difference be-

tween them is "navigating a trail" follows a trail forward (from start to

end) while "backtracking" follows a trail in reverse (from end to start.)

When hiking at walking speed with a hand-held GPS, we often just use

visual back trailing because it is a bit better at following each little

turn on a foot path. At faster speeds, such as the highway or on the wa-

ter, the Navigate Trail and Backtrack Trail commands are handy.

Visual Trailing

1. On the Map Page, zoom (ZIN or ZOUT) so your flashing trail is visible.

2. Begin moving and watch the Map Page. Simply walk or steer so that

your current position arrow traces along the trail you have just made.

Tip:

Generally, when using this method, the smaller the zoom range, the

more accurately you will be able to steer along the trail.

Navigate a Trail (forward)

The following figures illustrate the menu sequence for navigating a

trail.

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press ↓|↓ to enter the Saved Trail list, then use ↑ or ↓ to select the

desired Trail Name|ENT.

3. Press → to DELETE TRAIL|↓ to NAVIGATE|ENT.

4. Press ↓ to NAVIGATE|ENT. The unit begins showing navigation infor-

mation along the trail.

NOTE:

If you are already located at or near the beginning of your trail, the

arrival alarm will go off as soon as you hit Enter. Just press EXIT to

clear the alarm and proceed.

5. Now, begin moving and follow your unit.

6. When you reach your destination, be sure to cancel your navigation:

press MENU|MENU|↓ to CANCEL NAVIGATION|ENT. The unit asks if you're

sure; press ←|ENT.

126

Navigate a trail menu sequence: Fig. 1, My Trails command. Fig. 2,

Trails Menu. Fig. 3, Edit Trail Menu. Fig. 4, Edit Route Menu with

Navigate command highlighted for Trail 6. A trail is always converted

to a "route" when you navigate the trail.

On the Map Page, the trail you are navigating is represented by a dot-

ted line that alternates with a flashing solid line. The Navigation Page

will also show the navigated trail as a dotted line. The bearing arrow on

the compass rose points to the next waypoint on the trail.

As you travel, the arrival alarm will go off when you near a trail way-

point, and the bearing arrow on the compass rose will swing around

and point to the next trail waypoint. Press EXIT to clear the alarm.

Navigate trail, map views: at left driver is northbound heading

straight toward trail point 6. At right, northbound driver has reached

point 6 and has turned west to follow trail.

Trail

dotted line

Trail point

Present

position

arrow

North 

Figure 3. Figure 4.

Figure 1. Figure 2.

127

Navigate trail, navigation page (compass rose) views: at left, driver is

northbound heading straight toward trail point 6; bearing arrow

shows the trail point is due north (straight ahead.) At right, driver has

reached trail point 6 and must turn west to follow the trail. Arrival

alarm goes off and bearing arrow swings around to say turn left (west),

toward the next waypoint, trail point 7. The unit now shows naviga-

tion information to point 7, which is 2.02 miles away.

Navigate a Back Trail (backtrack, or reverse)

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press ↓|↓ to enter the Saved Trail list, then use ↑ or ↓ to select the

desired Trail Name|ENT.

3. Press → to DELETE TRAIL|↓ to NAVIGATE|ENT.

4. Press ↓ to NAVIGATE|→ to REVERSE|ENT|← to NAVIGATE|ENT. The unit

begins showing navigation information along the trail, in reverse.

NOTE:

If you are already located at or near the end of your trail, the arri-

val alarm will go off as soon as you hit Enter. Just press EXIT to

clear the alarm and proceed.

5. Now, begin moving and follow your unit.

6. When you reach your destination, be sure to cancel your navigation:

press MENU|MENU|↓ to CANCEL NAVIGATION|ENT. The unit asks if you're

sure; press ←|ENT.

Trail

waypoint

symbol

Track or compass heading indicator

Arrival

alarm

Course

line made

from trail

Cross track

error range

(off course

indicator)

Bearing

arrow

128

Transfer Custom Maps and GPS Data Files

Custom Maps:

Custom maps work only from the MMC card or SD card. When a card

containing a Custom Map File is loaded into the unit, the unit auto-

matically loads the map into memory when the unit is turned on.

Instructions for copying Custom Map Files to an MMC are contained in

the instruction manual for your MMC card reader and MapCreate 6

software. For instructions on inserting an MMC into the unit, see Sec.

2, Installation/Accessories.

NOTE:

To load a Navionics chart, see Sec. 8 for the entry Navionics Charts.

GPS Data files:

GPS Data Files contain waypoints, routes, trails and event marker

icons. Instructions for copying GPS Data Files between your computer

and an MMC are contained in the instruction manual for your MMC

card reader and MapCreate 6 software.

GPS data automatically recorded in the unit's internal memory must be

saved to the MMC (as a GPS Data File) in order to store it on your per-

sonal computer. GPS Data Files stored on an MMC must be copied from

the card to the unit's internal memory before the unit can read them.

Here's how:

1. Insert the MMC into your unit. Press MENU|MENU|↓ to SYSTEM

SETUP|ENT|↓ to TRANSFER MY DATA|ENT and the screen below appears.

The Transfer My Data submenu asks if you want to save data to the

MMC or load data from the MMC into the unit's memory.

129

2. The Transfer My Data menu includes a message which tells you if an

MMC is present or not. If no MMC is present, you must first insert a

card into the unit in order to activate the Load or Save commands.

To transfer data from the unit to the MMC: press ENT (for SAVE.)

To transfer data from the MMC to the unit: press → to LOAD|ENT.

3. Saving to MMC: To accept the default name "Data" for the GPS

Data File, press ↓ to SAVE DATA|ENT. If you wish to rename the file (as

shown in the following figures), press ENT to activate the selection box.

Press ↑ or ↓ to change the first character, then press → to the next

character and repeat until the name is correct. Then, press ENT|↓ to

SAVE DATA|ENT.

The unit will display first a progress then a completion message when

the data transfer is finished. To return to the Page view, repeatedly

press EXIT.

From left to right, these figures show the menu sequence for naming

and saving a GPS Data File from the unit's memory to an MMC.

4. Loading to unit memory: There may be more than one GPS Data

File (*.USR) on the card. To select a file, press ENT to activate the selec-

tion box, use ↓ or ↑ to highlight the file, then press ENT to accept the

selection. Next, press ↓ to LOAD DATA|ENT. The unit will display a com-

pletion message when the data transfer is finished. To return to the

Page view, press EXIT|EXIT|EXIT|EXIT.

130

These figures show the menu sequence for loading a GPS Data File

from an MMC into the unit's memory.

Cancel Navigation

You can turn off any of the navigation commands after you reach your

destination or at any other time by using the Cancel Navigation com-

Figure 3.

Figure 2.

Figure 1.

Figure 4.

131

Section 7:

Advanced GPS Operations

Find Distance From Current

Position To Another Location

1. While on the Map Page press: MENU|↓ to FIND DISTANCE|ENT.

2. Center your cursor over the position you want to find the distance to.

A rubber band line appears, connecting your current position to the

cursor's location. The distance along that line will appear in a pop-up

box. The box also shows the bearing to the point you're measuring to.

3. Press EXIT to return to regular operation.

At left, the distance from Dallas to Little Rock is 292.2 miles. At right,

the distance from the boat's current position to the boat ramp is 0.52

miles.

Find Distance From Point to Point

You can also measure distance between two other points on the map.

1. While on the Map Page press: MENU|↓ to FIND DISTANCE|ENT.

2. Center your cursor over the first position. (A rubber band line ap-

pears, connecting your current position to the cursor's location.) Press

ENT to set the first point, and the rubber band line disappears.

3. Move the cursor to the second position. The rubber band line reap-

pears, connecting the first point you set to the cursor. The distance

along that line will appear in the pop-up box.

4. Press EXIT to clear the command and return to the page screen.

(Press EXIT once more to clear the cursor.)

132

Icons

Icons are graphic symbols used to mark some location, personal point of

interest or event. They can be placed on the map screen, saved and re-

called later for navigation purposes. These are sometimes referred to as

event marker icons. This unit has 42 different symbols you can pick

from when creating an icon.

Icons are similar to waypoints, but they do not store as much informa-

tion (like names) as waypoints do. You can't use a menu to navigate to

icons as you can with waypoints. (But, you can use the map cursor and

navigate to any icon on the map.)

You can create an icon at the cursor position on the map, or at your

current position while you are navigating.

Create Icon on Map

1. Use the arrow keys to move the cursor to the place where you want

to make an icon.

2. Press ENT and the screen shows a "Select Icon Symbol" menu.

3. Press ← or ↑ or → or ↓ to select your icon symbol, then press ENT.

The icon appears on the map.

Cursor selects icon location, left; Select Icon Symbol menu, center;

Boat Ramp icon on map, right. (Cursor has been moved for clarity.)

Create Icon at Current Position

1. While you are traveling, press ENT and the screen shows a "Select

Icon Symbol" menu.

2. Press ← or ↑ or → or ↓ to select your icon symbol, then press ENT.

The icon appears on the map.

Delete an Icon

You can delete all the icons at one time, you can delete all icons repre-

sented by a particular symbol, or you can use the cursor to delete a se-

lected icon from the map.

133

1. Press MENU|↓ to DELETE MY ICONS|ENT.

2. Press ↓ to DELETE ALL ICONS, DELETE BY SYMBOL, or DELETE FROM MAP and

press ENT.

Delete icons menu.

The Delete All Icons command will ask if you are sure. Press ← to

YES|ENT. All icons will be deleted from the map.

The Delete by Symbol command will launch the Select Symbol menu.

Press ← or ↑ or → or ↓ to select the icon symbol to delete, then press

ENT. A message appears saying all icons with the selected symbol have

been deleted.

The Delete From Map command will prompt you to move the cursor

over an icon to select it. After selecting the icon, press ENT and it disap-

pears from the map.

Navigate to an Icon

Use the Navigate to Cursor command, and use the cursor to select the

desired icon on the map.

1. Use arrow keys to center cursor cross-hair over the icon.

2. To navigate to the selected icon location: press MENU|ENT|EXIT.

Follow course line on the Map Page or the compass bearing arrow on the

Navigation Page.

Routes

A route is a series of waypoints, linked together in an ordered sequence,

that's used to mark a course of travel. You can visualize a route as a

134

string of beads: The beads represent waypoints and the string repre-

sents the course of travel connecting waypoint to waypoint.

The course from one waypoint to the next is a leg; routes are composed

of one or more legs. The legs of all GPS routes are based on straight

lines between waypoints.

A route provides the automatic capability to navigate through several

waypoints without having to reprogram the unit after arriving at each

waypoint. Once programmed into the GPS unit, a route provides the

option of navigating forward through the route waypoints or in reverse

order (you can even begin navigating in the middle of a route!)

Create and Save a Route

You have the option of creating and editing a route in the unit, or you

can make a route on your computer with our MapCreate 6 software.

PC-created Routes

MapCreate is the easiest method for preparing a route, simply because

your PC's larger screen, keyboard and mouse are easier to manipulate

than the unit.

To load a MapCreate route into the unit, follow instructions in MapCre-

ate's manual for creating a route and saving it as part of a GPS Data File

(file format *.usr). Copy the GPS Data File to an MMC and insert the

MMC in the unit. (See Sec. 2 for instructions on installing MMCs. To

load the GPS Data File into the unit's memory, see the entry on Transfer

Custom Maps & GPS Data Files in Sec. 6, Basic GPS Operations.)

Routes Created in the Unit

You can create a route by selecting existing waypoints from the way-

point list or you can set a series of route waypoints on the map with

cursor arrows and the Enter key. In this example, we'll create a route

from the map.

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE,

press MENU|MENU|↓ to ROUTE PLANNING|ENT|ENT.

135

Route Planning command on Main Menu, left,

will open the Route List screen, right.

2. Press ↓ to (END OF ROUTE)|ENT|↓ to ADD FROM MAP|ENT. The Map Page

appears with the cursor showing.

Edit Route menu, left. Edit Route Waypoints menu, right,

with Add From Map command selected.

3. Use the Zoom keys and arrow keys to move the map and cursor until

the cursor is centered on the spot where you want your route to begin.

(If you are starting at your current position or the current cursor posi-

tion, you are already at the starting spot.)

4. Set the first route waypoint: press ENT. In this example, we moved to

the intersection of 11th Street and 145th E. Ave. to start our route to a

public hunting area next to a river. (Creating this example route is il-

lustrated in the following figures.)

136

Route creation sequence, from left: Fig. 1. Set route waypoint (1) at

11th St. & 145th Ave. Fig. 2. Zoom in; move cursor north to set point (2)

at 145th & Admiral. Fig. 3. With point (2) set, move cursor east to mark

interstate on-ramp with waypoint (3). In figures 2 and 3, notice the

rubber band line extending from the previously set waypoint to the

cursor. This line will become the course for the route.

Route creation sequence, continued: Fig. 4. Point (3) set at on-ramp

turn. Fig. 5. Waypoint (4) set at highway exit to frontage road leading

to river. Waypoint (5) ends the route at a tree stand in the hunting

area. Fig. 6. Press EXIT to save the route and you return to this screen.

5. Move the cursor to the next point in the route, a spot where you need

to turn or change direction, and press ENT to set the next waypoint.

6. Repeat step five until the route reaches your destination.

7. To save your route, press EXIT. The unit reverts to the Edit Route

screen, with the route automatically named "Route 1" and stored in the

unit's internal memory. (In our example, Route 1 already existed, so the

unit automatically made "Route 2.")

1. 2. 3.

5. 6.4.

137

You can edit the route and run other commands, but if you are finished

with the route for now, return to the last page displayed by

pressing EXIT|EXIT|EXIT|EXIT|EXIT.

Delete a Route

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

2. Press ↓ to route name|ENT.

3. Press ↓ to NAVIGATE|ENT|→ to DELETE|ENT|← to YES|ENT.

Tip:

You can also delete all routes at once:

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

2. Press → to DELETE ALL|ENT|← to YES|ENT.

Edit a Route Name

You can edit the route name if you wish.

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

2. Press ↓ to route name|ENT|ENT.

3. Press ↑ or ↓ to change the first character, then press → to move the

cursor to the next character and repeat until the name is correct, then

press ENT. Return to the previous page by pressing

EXIT|EXIT|EXIT|EXIT.

Edit Route Waypoints

You can edit the route by adding and removing waypoints.

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

2. Press ↓ to route name|ENT|↓ to ROUTE WAYPOINTS LIST. Use ↓ and ↑ to

select a waypoint, then press ENT.

138

Edit Route Waypoints menu.

3. Use ↓ and ↑ to select a command from the Edit Route Waypoints

menu and press ENT. Add From Map lets you insert a waypoint in the

route by clicking on a map location with the cursor. Add Waypoint calls

up the Waypoint List so you can insert a waypoint from the list. Re-

move Waypoint will delete the waypoint from the route. View Waypoint

will show you where the selected waypoint is on the map.

NOTE:

When adding waypoints to a route, the inserted waypoints will ap-

pear in the route in front of the waypoint you have selected. To in-

sert waypoints at the end of the route, make sure to select "(End of

route)" before adding them.

Navigate a Route

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE,

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

Route Planning command on Main Menu, left; Routes menu, center; Edit

Route menu, right. Navigate command is selected in the Action box.

2. Press ↓ to select route name|ENT|↓ to NAVIGATE|ENT.

139

3. Upon arrival at your destination, cancel navigation:

The following figures show what the Navigation Page and Map Page

look like while navigating a route.

Navigate a Route in Reverse

Here's how you run a route backward, from the end waypoint to the

beginning waypoint:

1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGE,

press MENU|MENU|↓ to ROUTE PLANNING|ENT.

2. Press ↓ to select route name|ENT|↓ to NAVIGATE|→ to RE-

VERSE|ENT|← to NAVIGATE|ENT.

3. Upon arrival at your destination, cancel navigation:

Navigating along a route: Fig. 1 shows the Navigation Page at the start

of a route, heading straight for the first waypoint (Wpt 1). In Fig. 2, the

traveler has arrived at Wpt 1; the arrival alarm has been triggered and

the bearing arrow on the compass rose has turned to point toward Wpt

2, off to the east. In Fig. 3 the traveler has turned east on his new

course and is heading straight for Wpt 2, which is 2.37 miles away. Fig.

4 shows route navigation on the Map Page. In this figure, the traveler

has reached Wpt 2 and is half-way along the leg between Wpts 2 and 3.

Figure 2.

Figure 1.

Figure 4.

Figure 3.

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Trails

Delete a Trail

This is the command used to erase or delete a trail:

Press MENU|MENU|↓ to MY TRAILS|ENT|↓ to trail name|ENT|→ to

DELETE TRAIL|ENT|← to YES|ENT.

Tip:

You can also delete all trails at once:

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

2. Press → to DELETE ALL|ENT|← to YES|ENT.

Edit a Trail Name

To edit a trail name: press MENU|MENU|↓ to MY TRAILS|ENT|↓ to trail

name|ENT|ENT. Press ↑ or ↓ to change the first character, then press

→ to the next character and repeat until the name is correct. Press ENT

then EXIT|EXIT|EXIT|EXIT to return to the previous page display.

Tip:

You can quickly call up the Edit Trail menu by selecting a trail on

the map with the cursor. Simply move the cursor over a trail and a

pop-up box appears. Press WPT and the Edit Trail menu opens.

At left, trail selected with map cursor. The pop-up box shows distance

and bearing from current position to the selected point on the trail. At

right, the Edit Trail menu.

Edit a Trail Color

To edit a trail color: press MENU|MENU|↓ to MY TRAILS|ENT|↓ to trail

name|ENT|↓ to COLOR|ENT. Press ↑ or ↓ to select a color style, then press

ENT. Press EXIT|EXIT|EXIT|EXIT to return to the previous page display.

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Edit a Trail Pattern

To edit a trail pattern: press MENU|MENU|↓ to MY TRAILS|ENT|↓ to trail

name|ENT|↓ to PATTERN|ENT. Press ↑ or ↓ to change the first character,

then press → to the next character and repeat until the pattern is cor-

rect. Press ENT, then EXIT|EXIT|EXIT|EXIT to return to the previous

page display.

At left, Edit Trail Menu with Pattern option selected. At right, edited

trail with dotted line pattern.

Utilities

Utilities are useful tools for traveling or for outdoor activities.

Alarm Clock

To get to the alarm clock menu: press MENU|MENU|↓ to TIMERS|ENT|↓

to ALARM CLOCK|ENT.

Sun/Moon Rise & Set Calculator

To get to the Sun/Moon menu: press MENU|MENU|↓ to SUN/MOON

CALCULATIONS|ENT.

Trip Calculator

To get to the Calculator menu: press MENU|MENU|↓ to TRIP CALCULA-

TOR|ENT.

Trip Down Timer

To get to the Down Timer menu: press MENU|MENU|↓ to TIMERS|ENT|↓

to DOWN TIMER|ENT.

Trip Up Timer

To get to the Up Timer menu: press MENU|MENU|↓ to TIMERS|ENT|ENT.

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Waypoints

Delete a Waypoint

To delete a waypoint from the waypoint list: press

WPT|ENT|ENT|ENT|↓ to waypoint name|ENT|↓ to DELETE WAY-

POINT|ENT|← to YES|ENT. To return to the previous page, press

EXIT|EXIT.

To delete a waypoint from the map:

1. Use the arrow keys to select the waypoint with the cursor.

2. Press WPT|→ to DELETE WAYPOINT|ENT|← to YES|ENT. To return to

the previous page and clear the cursor, press EXIT.

To delete all waypoints at one time: press MENU|MENU|↓ to SYSTEM

to the previous page, press EXIT|EXIT.

Edit a Waypoint

Waypoint Name

To edit waypoint name:

1. Press WPT|ENT|ENT|ENT|↓ to waypoint name|ENT|↓ to EDIT

WAYPOINT|ENT|ENT.

2. Press ↑ or ↓ to change the first character, then press → to the next

character and repeat until the name is correct. Press ENT then

EXIT|EXIT|EXIT|EXIT to return to the previous page display.

Waypoint Symbol

To edit waypoint symbol:

1. Press WPT|ENT|ENT|ENT|↓ to waypoint name|ENT|↓ to EDIT

WAYPOINT|ENT|↓ to CHOOSE SYMBOL|ENT.

2. Use arrow keys to select desired symbol and press ENT. To return to

the previous page, press EXIT|EXIT|EXIT|EXIT.

Waypoint Position

To edit waypoint position:

1. Press WPT|ENT|ENT|ENT|↓ to waypoint name|ENT|↓ to EDIT

WAYPOINT|ENT.

2. Latitude: press → to LATITUDE|ENT. Press ↑ or ↓ to change the first

character, then press → to the next character and repeat until the lati-

tude is correct. Press EXIT.

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3. Longitude: press ↓ to LONGITUDE|ENT. Press ↑ or ↓ to change the first

character, then press → to the next character and repeat until the lon-

gitude is correct. Press EXIT.

4. When latitude and longitude are correct, return to the previous page:

press EXIT|EXIT|EXIT|EXIT.

Selecting a Waypoint

To select a waypoint on the map (for navigating to, for editing, etc.,) use

the arrow keys and center the cursor over the waypoint. A highlighted

halo will appear around the waypoint.

Set a Waypoint by Average Position

This feature sets a waypoint at the current position after taking several

position readings and averaging them. This boosts waypoint position

accuracy by helping to eliminate errors caused by atmospheric condi-

tions and other factors.

1. Press WPT|→ to SUBCATEGORY column|↓ to NEW|ENT.

2. Press ↓ or ↑ to AVERAGE POSITION|ENT|press → to CREATE|ENT.

3. Wait while the unit takes points to average for the position. (The greater

the number of points, the greater the accuracy.) When the desired number

of points accumulates, press ENT to create and save the waypoint.

4. The Edit Waypoint menu appears. You can simply save the waypoint

by pressing EXIT|EXIT or you can edit the waypoint.

Set a Waypoint by Projecting a Position

This feature sets a waypoint at a point located a specific distance and

bearing from a reference position. The reference position can be se-

lected from your waypoint list, a map feature or from the Points of In-

terest list.

1. Press WPT|→ to SUBCATEGORY column|↓ to NEW|ENT.

2. Press ↓ to PROJECTED POSITION|ENT|→ to CREATE|ENT.

3. Press → to CHOOSE REFERENCE|ENT. Use ↑ and ↓ to select a waypoint,

map feature or Point of Interest. When the point has been selected,

press ENT and the point's position appears as the reference position.

4. Press ↓ to DISTANCE|ENT. Press ↑ or ↓ to change the first character,

then press → to the next character and repeat until the distance is cor-

rect. Press ENT.

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5. Press ↓ to BEARING|ENT. Press ↑ or ↓ to change the first character,

then press → to the next character and repeat until the bearing is cor-

rect. Press ENT.

6. Press ↑ to PROJECTION|ENT. The Edit Waypoint menu appears. You

can simply save the new projected waypoint by pressing EXIT|EXIT or

you can edit the waypoint. (Press EXIT|ENT if you want to immediately

begin navigating to the new waypoint.)

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Section 8:

System & GPS Setup Options

Alarms

This unit has several GPS alarms. The factory default setting has all of

these but the anchor alarm turned on. You can turn the alarms off and

on and change their distance settings.

You can set an arrival alarm to flash a warning message and sound a

tone when you cross a preset distance from a waypoint. For example, if

you have the arrival alarm set to .1 mile, then the alarm will flash a

message when you come within .1 mile of the recalled waypoint.

The off course alarm warns you when your track drifts too far to the

right or left of the course line to the waypoint. For example, if the

alarm is set to .1 mile, then the alarm flashes a message if you drift .1

of a mile or more to the right or left of the line to the waypoint.

The anchor alarm is triggered when you drift outside of a preset radius.

Again, using the .1 mile as an example, if you're anchored and your

boat moves more than .1 of a mile, the alarm will flash a message and

sound a tone.

Alarms command, left; Alarm menu, right.

To change alarm settings:

1. Press MENU|MENU|↓ to ALARMS|ENT|ENT.

2. Scroll ↓ or ↑ to select the desired category, then press ENT to check or

clear the Enabled box. This turns the alarm on (checked) or off (un-

checked.)

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3. To change distance settings, scroll ↓ or ↑ to select the desired cate-

gory, then press → |ENT to activate the distance dialog box. Press ↑ or

↓ to change the first character, then press → to the next character and

repeat until the name is correct.

4. When your adjustments are finished, return to the last page dis-

played by repeatedly pressing EXIT.

IMPORTANT ALARM NOTES:

Anchor Alarm - The anchor alarm may be triggered even when

you're sitting still. This typically happens when using small (less

than .05 mile) anchor alarm ranges.

Arrival Alarm - If you set the arrival alarm's distance to a small

number and you run a route (see the Navigate Routes segment),

this unit may not show navigation data to the next waypoint, once

you arrive at the first one, since you may not be able to come close

enough to the first waypoint to trip the arrival alarm.

Auto Satellite Search

To lock onto the satellites, the GPS receiver needs to know its current

position, UTC time and date. (Elevation [altitude] is also used in the

equation, but it's rarely required to determine a position.) It needs this

data so that it can calculate which satellites should be in view. It then

searches for only those satellites.

When your GPS receiver is turned on for the first time, it doesn't know

what your position or elevation (altitude) is. It does know the current UTC

time and date since these were programmed into it at the factory and an

internal clock keeps the time while the unit is turned off. (If the time

and/or date are incorrect, you can set it using the "Set Local Time" menu.)

The unit begins searching for the satellites using the above data that it

acquired the last time it was turned on. This probably was at the fac-

tory. Since it's almost certain that you're not at our factory, it's proba-

bly looking for the wrong satellites.

If it doesn't find the satellites it's looking for after approximately one

minute, it switches to Auto Search. The receiver looks for any satellite

in the sky. Due to advanced technology, the auto search time has

shrunk significantly from the early days of GPS.

Once the unit locks onto the satellites, it should take less than a minute to

find your position the next time it's turned on, provided you haven't moved

more than approximately 100 miles from the last location it was used.

147

GPS Auto Search on the Satellite Status Menu.

You can force the unit to immediately kick into auto search mode.

Here's how:

From the Satellite Status page, MENU|↓ to GPS AUTO SEARCH|ENT|← to

YES|ENT.

Check MMC Files and Storage Space

To check MMC Files:

Press MENU|MENU|↓ to BROWSE MMC FILES|ENT.

Main Menu, left, MMC File Browser, right.

Communications Port Configuration

The unit has one NMEA 0183 version 2.0 compatible communication

port, or com port for short. The Com Port Menu, which is accessed from

the System Setup Menu, allows you to configure the communications

port to send or receive data to another electronic device, such as an

autopilot. The com port can be used for either NMEA, DGPS or SiRF

Binary data transfer.

148

Menus for changing Com Port settings.

For connectors and wiring information for another device, see page 34.

For assistance in configuring the unit to communicate with another

device, consult the factory; customer service phone numbers are in the

back of this manual. Also see the entries below for Configure DGPS and

Configure NMEA. To set Com Port Configuration:

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT.

2. Press ↓ to COMMUNICATIONS PORT|ENT.

Configure DGPS

This unit will recognize Starlink, Magnavox and Lowrance DGPS

receivers.

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT.

2. Press ↓ to COMMUNICATIONS PORT|ENT.

A. If you have a Magnavox receiver, press ↓ to MAGNAVOX|ENT.

B. If you have a Lowrance or Starlink receiver, press ↓ to STARLINK|ENT.

C. If you have a Magnavox or Starlink, press EXIT|EXIT|EXIT. This is

the only setup necessary. If you have a Lowrance receiver or another

Magnavox- or Starlink- compatible brand, continue with these steps:

3. Press ↓ to CONFIGURE DGPS|ENT.

NOTE:

The names of the NMEA sentences are abbreviated in this menu.

These are the functions of the various selectable prefixes:

• GLL transmits latitude and longitude of present position, time

of position fix, and status.

• RMC and RMB transmits navigation information messages.

• APB transmits autopilot information.

• GGA transmits time, position, and fix related data.

149

• GSA and GSV transmits fix mode, DOP values, and satellites in

view information.

• DBT transmits the depth below the transducer.

• DPT transmits the depth

• MTW transmits the water temperature.

• VLW transmits the distance traveled through water as meas-

ured by the paddle wheel.

• VHW transmits the water speed as measured by the paddle

wheel.

4. Press ENT, then use ↑ ↓ → ← to enter the station frequency, then

press ENT.

5. Press → to BIT RATE|ENT then use ↑ ↓ to select the station bit rate,

then press ENT.

6. A. If you are not using a Starlink DGPS receiver, press

EXIT|EXIT|EXIT|EXIT to return to the previous page.

B. If you are using a Starlink DGPS receiver, press ↓ to STARLINK AUTO

vious page.

Configure NMEA

You can configure the unit to use specific NMEA sentences.

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT.

2. Press ↓ to COMMUNICATIONS PORT|ENT|↓ to CONFIGURE NMEA|ENT.

3. A menu appears showing the prefixes of the available NMEA sen-

tences. A check mark next to a prefix means the prefix is in use. Use ↑

↓ → ← to select a prefix, then press ENT to turn off the prefix. (Press

ENT again to check the box and turn a prefix on.)

4. When the desired prefixes are checked or unchecked, press

EXIT|EXIT|EXIT|EXIT to return to the previous page.

Coordinate System Selection

The Coordinate System Menu lets you select the coordinate system to

use when displaying and entering position coordinates.

150

Menus for changing coordinate system used to display positions.

To get to Coordinate System Selection:

1. Press MENU|MENU|↓ to GPS SETUP|ENT.

2. Press ↓ to COORDINATE SYSTEM|ENT.

This unit can show a position in degrees (36.14952°); degrees, minutes

and thousandths of a minute (36° 28.700'); or degrees, minutes, seconds

and tenths of a second (36° 28' 40.9"). It can also show position in: UTM

(Universal Transverse Mercator) projection; MGRS (Standard); MGRS

(Standard + 10); Map Fix; Loran TD; British, Irish, Finnish, German,

New Zealand, Swedish, Swiss, Taiwan and Greek.

UTM's are marked on USGS topographic charts. This system divides

the Earth into 60 zones, each 6 degrees wide in longitude.

British, Irish, Finnish, German, New Zealand, Swedish, Swiss, Taiwan,

and Greek grid systems are the national coordinate system used only in

their respective countries. In order to use these grid systems, you must

be in the respective country. This unit will pick the matching datum for

you when you select the grid. See the entry on Map Datum Selection for

more information.

The Military Grid Reference System (MGRS) uses two grid lettering

schemes, which are referred to as standard and standard + 10 MGRS

on this unit. Your position and datum in use determines which one to

use. If you use standard, and your position is off significantly, then try

the alternate.

NOTE: When the position format is changed, it affects the way all posi-

tions are shown on all screens. This includes waypoints.

To change the coordinate system, press ENT while COORDINATE SYSTEM is

highlighted. Press the ↑ or ↓ arrow keys to highlight the desired for-

mat. Press ENT to select it. Press EXIT to erase the menus.

151

To setup Loran TD:

NOTE:

If the Loran TD conversion is chosen, you must enter the local Lo-

ran chain identification for the master and slaves. Do this by se-

lecting "Setup Loran TD" at the bottom of the "Coordinate System"

menu and select the ID. Press EXIT to erase this menu.

Configure Loran TD menu.

Map Fix

Map Fix is used with charts or maps. This system asks for a reference

position in latitude/longitude, which you take from a marked location

on the map. It then shows the present position as distance on the map

from that reference point.

For example, if it shows a distance of UP 4.00" and LEFT 0.50", you

then measure up four inches and to the left a half-inch from the refer-

ence point on the map to find your location.

To configure a map fix:

To use this format, you need to follow these steps in order. First, take

your map of the area and determine a reference latitude/longitude.

(Note: in order for this system to work, the latitude/longitude lines

must be parallel with the edge of the map. USGS maps are parallel,

others may not be. Also, this works better with smaller scale maps,

such as 1:24000.) The reference position can be anywhere on the map,

but the closer it is to your location, the smaller the numbers will be

that you'll have to deal with.

Once you've decided on a reference position, you can save it as a waypoint.

See the waypoint section for information on saving a waypoint. Save the

reference position as a waypoint. Exit from the waypoint screens.

152

1. Press MENU|MENU|↓ to GPS SETUP|ENT.

2. Press ↓ to COORDINATE SYSTEM|ENT.

3. Press ↓ to SETUP MAP FIX|ENT.

The screen below appears, and MAP SCALE is highlighted. Press ENT and

enter the map's scale. This is generally at the bottom of the paper map.

It's shown as a ratio, for example 1:24000. Press EXIT and the unit re-

turns to the Configure Map Fix screen.

Configure a map fix so the unit can find your position on a printed

chart or topographical map.

Press → to SELECT ORIGIN|ENT|ENT|ENT to bring up the waypoint list.

Select the waypoint that you saved the reference point under and press

ENT. The unit displays a waypoint information screen with the com-

mand SET AS ORIGIN selected; press ENT and the unit returns to the Con-

figure Map Fix menu. Finally, press EXIT to erase this menu. Now press

↑ to COORD SYSTEM|ENT, select MAP FIX from the list and press ENT|EXIT.

All position information now shows as a distance from the reference

point you chose.

Customize Page Displays

The Position, Navigation, and Map pages all have customizable options.

These options decide which information is viewable on each page.

Customize Satellite Status Page

While on the Satellite Status Page, press MENU|↓ to CUSTOMIZE|ENT.

Press ↓ or ↑ to select a data box. With the data box highlighted and

flashing, press ENT to open a list of options. Scroll ↑ and ↓ to select a

different data option, then press ENT. After all options are set, press

EXIT to return to the page display.

153

Customize Navigation Page

While on the Navigation Page, press MENU|↓ to CUSTOMIZE|ENT. Press ↓

or ↑ to select a data box. With the data box highlighted and flashing,

press ENT to open a list of options. Scroll ↑ and ↓ to select a different

display option, then press ENT. After all options are set, press EXIT to

return to the page display.

Customize Map Page

While on the Map Page, press PAGES|↓ or ↑ to select Option

Name|ENT.

DGPS Status

The DGPS Status screen shows whether DGPS is off or on, and it de-

scribes the quality of the DGPS signal. This screen is useful if you have

to diagnose a DGPS problem.

2. The DGPS Status screen is displayed. To return to the previous page,

press EXIT|EXIT|EXIT.

GPS Simulator

The GPS simulator lets you use the unit as if you were outdoors navi-

gating somewhere. It's a great way to practice using your unit. You can

set the starting location by entering latitude/longitude (Starting Posi-

tion) or from a stored waypoint, map place or POI location (CHOOSE START

command). You can steer your position and change speed on the map by

using the arrow keys (STEER WITH ARROWS command) or by setting the track

and speed in the dialog boxes provided on the simulator menu screen.

To get to the GPS Simulator:

1. Press MENU|MENU|↓ to GPS SETUP|ENT.

2. Press ↓ to GPS SIMULATOR|ENT. The GPS Simulator Menu appears.

154

GPS Setup Menu, left; GPS Simulator menu, right.

Make the desired settings, then turn the simulator on by highlighting

the GPS SIMULATOR ON box and pressing ENT key. Press EXIT|EXIT|EXIT

to erase this menu. A message and tone appear periodically, warning

you that the simulator is on. To turn the simulator off, repeat the above

steps or turn the unit off.

While in simulator mode, you can press EXIT to clear the steering and

speed boxes from the screen while continuing the simulation. This will

allow you to use the map cursor during a simulation. To turn steering

and speed boxes back on again, return to the GPS Simulator menu, se-

lect the STEER WITH ARROWS command, press ENT, then Press

EXIT|EXIT|EXIT to return to the previous page.

Simulating Trail or Route Navigation

In Simulator mode, your unit can automatically follow a trail or route

without manual steering if you use these steps:

1. From the Map Page, go to the simulator menu. Pick a STARTING PO-

SITION at or near the beginning of your trail/route. Enter an approximate

TRACK (shown in compass degrees) that will point you toward the start

of the trail/route.

2. Set SPEED to zero. Select STEER WITH ARROWS command and press ENT,

which turns on the simulator and returns you to the Map Page.

3. Begin navigating along the trail/route. (If you are close enough to the

first waypoint, the arrival alarm will usually go off as soon as naviga-

tion begins. Press EXIT to clear the alarm.) When navigation starts,

press ↑ to increase speed to the desired setting.

4. Press EXIT to turn off the steering and speed boxes. The unit will now

automatically "steer" along the trail or route. When you arrive at your

"destination," cancel navigation as you normally do.

155

Tip:

You can pick any spot on the map to begin your simulation session

by using the Initialize GPS command. This makes your unit think

it's located at the position you select. See its entry following the en-

try for Hide GPS Features.

Hide GPS Features

If there is no GPS antenna/receiver module attached to this unit, the

GPS menus and features can be hidden from view with this command.

The default setting is off, allowing you to rotate between the Sonar

Page and the GPS pages and features. To hide GPS features:

The GPS menus and pages are now hidden.

To restore GPS Features, press MENU|MENU|↓ to SHOW GPS FEA-

TURES|ENT. The GPS menus and pages are available once again.

Initialize GPS

This command is handy when you are practicing in simulator mode. (See

the entry in this section for GPS Simulator.) In simulator mode, this

command makes the unit operate as if it is sitting someplace other than

its actual location. So, you and your unit could be located in Kansas City,

but easily practice navigating in the ocean off Islamorada, Florida.

1. Press MENU|MENU|↓ to GPS SETUP|ENT|ENT.

2. A message appears, telling you to move the cursor near the desired

location and press ENT. When the message automatically clears, follow

the message instructions.

3. In a moment, your present position marker arrow appears on the

map in the location you selected with the cursor. The unit will consider

that spot as its last known position until changed by either a live satel-

lite lock-on or a new simulator location.

Map Auto Zoom

This receiver has an auto zoom feature that eliminates much of the but-

ton pushing that other brands of GPS receivers force you to make. It

works in conjunction with the navigation features.

First, start navigation to a waypoint. (See the waypoint section for

more information on navigating to a waypoint.) Then, with the auto

zoom mode on, the unit zooms out until the entire course shows, from

the present position to the destination waypoint. As you travel toward

the destination, the unit automatically begins zooming in — one zoom

range at a time — always keeping the destination on the screen.

156

To turn this feature on, from the MAP PAGE, press MENU|↓ to AUTO

ZOOM|ENT|EXIT. Repeat these steps to turn it off.

Map Data

This menu lets you turn the map off, if desired (which turns the map

screen into a GPS plotter); turn off or on the pop-up map info boxes;

draw the map boundaries or boxes around the areas of high detail; or

fill land areas with gray. You can also turn on or off Map Overlays,

which display latitude and longitude grid lines or range rings on the

map. This menu lets you select Navionics Maps; for instructions, see

the Navionics Charts entry in this section.

To get to Map Data:

From the Map Page, press MENU|↓ to MAP DATA|ENT.

Map Menu, left, Map Data Menu, right.

Show Map Data

From the Map Page, press MENU|↓ to MAP DATA|ENT. Press ENT to enter

the EARTH MAP DETAIL selection list, and choose how much detail you

want, from Off (so the unit operates like a GPS plotter) to High. After

the option is set, press EXIT repeatedly to return to the page display..

Pop-up Map Information

From the Map Page, press MENU|↓ to MAP DATA|ENT. Press ↓ to POPUP

MAP INFORMATION. With the option highlighted, press ENT to check it (turn

on) and uncheck it (turn off.) After the option is set, press EXIT|EXIT to

return to the page display.

Map Boundaries

From the Map Page, press MENU|↓ to MAP DATA|ENT. Press ↓ to DRAW

MAP BOUNDARIES. With the option highlighted, press ENT to check it (turn

on) and uncheck it (turn off.) After the option is set, press EXIT|EXIT to

return to the page display.

157

Fill Water With White

From the Map Page, press MENU|↓ to MAP DATA|ENT. Press ↓ to FILL

WATER WITH WHITE. With the option highlighted, press ENT to check it

(turn on) and uncheck it (turn off.) After the option is set, press

EXIT|EXIT to return to the page display.

Map Overlays (Range Rings; Lat/Long Grid)

The map screen can be customized with four range rings and/or grids

that divide the plotter into equal segments of latitude and longitude.

Range rings are handy for visually estimating distances on the map. The

ring diameters are based on the current zoom range. For example: at the

100 mile zoom, the screen will show two rings with your current position

in the center. The large ring touching the left and right sides of the

screen is 100 miles in diameter (same as the zoom range). The second

smaller ring is 50 miles in diameter (always 1/2 the zoom range).

The distance from your current position to the smaller ring (the ring's

radius) is 25 miles (always 1/4 the zoom range). With the arrow keys

and map cursor, you can scroll the map to see the third and fourth

rings. In this example, the distance to the third ring is 75 miles and

distance to the fourth ring is 100 miles from your current position.

To set range rings: From the Map Page, press MENU|↓ to MAP

DATA|ENT. Press ↓ to DRAW MAP BOUNDARIES|→ to RANGE RINGS. With the

option highlighted, press ENT to check it (turn on) and uncheck it (turn

off.) After the option is set, press EXIT|EXIT to return to the page display.

To set Lat/Long Grid: From the Map Page, press MENU|↓ to MAP

DATA|ENT. Press ↓ to POPUP MAP INFORMATION|→ to LAT/LON GRID LINES.

With the option highlighted, press ENT to check it (turn on) and un-

check it (turn off.) After the option is set, press EXIT|EXIT to return to

the page display.

Map Datum Selection

Maps and charts are based on a survey of the area that's covered by the

map or chart. These surveys are called "Datums." Maps that are cre-

ated using different datums will show the same latitude/longitude in

slightly different locations.

All datums are named. The GPS system is based on the WGS-84 da-

tum, which covers the entire world. Other datums may also cover the

entire world, or just a small portion of it. By default, your position

shows using the WGS-84 datum. However, it can show your position

using one of 191 different datums. Different datums can be selected; to

change the datum:

158

2. Scroll ↓ or ↑ to select the desired datum, then press ENT.

3. To return to the last page displayed, press EXIT|EXIT.

A list of the datums used by this unit is in the back of this manual.

GPS Setup Menu, left, Map Datum Menu, right.

Map Detail Category Selection

This menu determines which of the mapping features are shown on the

screen. This includes, waypoints, trails, icons, cities, highways, etc. You

can selectively turn on or off any of these items, customizing the map to

your needs.

To get to Map Categories:

1. From the Map Page, press MENU|↓ to MAP CATEGORIES DRAWN|ENT.

2. Press ↑ or ↓ to select a category or press → then press ↑ or ↓ to select

a subcategory. Press ENT to turn it off (no check) or on (checked.)

3. To return to the last page displayed, press EXIT|EXIT.

Map Menu, left, Map Categories Drawn Menu, right.

Map Orientation

By default, this receiver shows the map with north always at the top of

the screen. This is the way most maps and charts are printed on paper.

159

Map orientation at left is shown in north up and at right, track up.

This is fine if you're always traveling due north. What you see to your

left corresponds to the left side of the map, to your right is shown on

the right side of the map, and so on. However, if you travel any other

direction, the map doesn't line up with your view of the world.

To correct this problem, a track-up mode rotates the map as you turn.

Thus, what you see on the left side of the screen should always be to

your left, and so on.

Another option is course-up mode, which keeps the map at the same

orientation as the initial bearing to the waypoint. When either the

track-up or course-up mode is on, an "N" shows on the map screen to

help you see which direction is north.

To change map orientation: from the Map Page, press MENU|↓ to MAP

ORIENTATION|ENT. Use ↑ or ↓ to select the desired mode, then press ENT.

Press EXIT|EXIT to return to the page display.

Map Menu, left; Map Orientation menu with

the North Up map orientation option selected, right.

In Track Up mode, map shows "N" and arrow to indicate north.

160

NOTE:

In North Up and Course Up, the present position arrow appears in

the center of the map page. In Track Up, the position arrow appears

centered in the lower third of the page.

Navionics Charts

Your unit can display Navionics electronic charts on MMCs. They

work just like a MapCreate custom map on an MMC.

Left, entrance to Chesapeake Bay in a MapCreate 6 custom map, 10

mile zoom. Center, same position on Navionics chart at 11.15 mile zoom

and right, 5.56 mile zoom.

To display a Navionics chart:

1. Install the Navionics MMC in the memory card compartment and

turn on the unit. (For full card install instructions, see Sec. 2.)

WARNING:

You should never format the MMC containing your

Navionics chart. Formatting the MMC will permanently

erase the chart from the card.

2. From the Map Page, press MENU|↓ to MAP DATA|ENT|↓ to NAVIONICS

MAP CHOICE|ENT. Use ↑ or ↓ to select the Map Name, then press

ENT|EXIT|EXIT.

These figures show menu sequence (from left to right) for selecting a

Navionics chart for the South Chesapeake Bay area.

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3. To turn off a Navionics chart, From the Map Page, press MENU|↓ to

MAP DATA|ENT|↓ to NAVIONICS MAP CHOICE|ENT. Use ↑ or ↓ to select

LOWRANCE, then press ENT|EXIT|EXIT.

Port Information

Navionics charts contain Port Services information, represented by an-

chor icons on the map display. An example is displayed in the following

figure.

To view Port Services information:

1. Use the arrow keys to move the cursor over a Port Services icon.

When selected, a pop-up name box appears.

2. Press WPT to display the Port Services Information screen.

The Port Services information screen has two windows. The top window

lists the various service categories. The lower window lists the detailed

services available in each basic category.

Navionics chart showing Port Services icon selected by cursor.

3. To scroll through the Service Categories window: press ENT then use

↑ or ↓ to see the types of services available. As you highlight a different

category, the list in the lower window changes. To return to the Map

Page, press EXIT|EXIT.

4. Depending on the location, the Detailed Services window may have a

long list of services under the General Services category. To scroll

through the Detailed Services window: from SERVICE CATEGORIES, press ↓

to DETAILED SERVICES|ENT, then use ↑ or ↓ to read the list of available

services. To return to the Map Page, press EXIT|EXIT. To return to the

top service category window, press ENT|↑.

Port Services

icons

Pop-up

name box

Cursor lines

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Port Services information screens.

Tidal Current Information

Navionics charts contain Tidal Current information,

represented at large zoom ranges by a box icon with

the letter "C." The icon stands for a Tidal Current

Station location. An example is displayed at right.

When you zoom in to a sufficiently small zoom range, the icon itself be-

comes an animated arrow showing tidal current velocity and direction for

the selected tidal station at the present time. At larger zoom ranges, you

can select the boxed "C" icon and it becomes an animated arrow with a

pop-up name box. An example is displayed in the following figure.

To view Tidal Current information:

1. Use the arrow keys to move the cursor over a Tidal Current Station

icon. When selected, a pop-up name box appears.

2. Press WPT to display the Tidal Current Information screen.

Navionics chart showing Tidal Current Station icon selected by cur-

sor. In this example, the tidal current is in flood but it's about to enter

the slack water stage. The current is flowing to the west at 0.1 mph.

Cursor lines

Tidal Current

Station icon in

animated mode

Pop-up

name box

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Current Information screen.

The Tidal Current Information screen displays daily tidal current data

for this station on this date at the present time. The graph at the top of

the screen is an approximate view of the flood and ebb pattern for the

day, from midnight (MN), to noon (NN) to midnight (MN). The velocity

scale at the top left side of the graph changes dynamically based upon

the maximum velocity of the current for that day.

Slack water, the period of little or no current, is represented by the

Slack Water Line (SWL). The flood appears above the SWL and the ebb

appears below the SWL.

You can look up tidal current data for other dates by changing the

month, day and year selection boxes. To select another date:

1. Use → and ← to highlight month, day or year, then press ENT.

2. Use ↑ and ↓ to select the desired month, day or year, then press ENT.

To clear the information screen, press EXIT.

Tide Information

Navionics charts contain Tidal Information,

represented at large zoom ranges by a box icon with

the letter "T." The icon stands for a Tidal Station

location. An example is displayed at right.

When you zoom in to a sufficiently small zoom range, the icon itself be-

comes an animated gauge showing a rising or falling tidal height for the

selected station at the present time. At larger zoom ranges, you can se-

lect the boxed "T" icon and it becomes an animated gauge with a pop-up

name box. An example is displayed in the following figure.

164

To view tide information:

1. Select a Tide Station icon: use the arrow keys to move the cursor over

an icon. When it is selected, a pop-up name box appears.

2. After selecting the Tide Station icon, press WPT to display the Tide

Information screen.

Navionics chart showing Tide Station icon selected by cursor.

In the example above, the tide is at 2.8 feet and falling,

as shown by the down arrow at the top of the icon.

Tide Information screen.

The Tide Information screen displays daily tidal data for this station on

this date at the present time. The graph at the top of the screen is an

approximate view of the tidal range pattern for the day, from midnight

(MN), to noon (NN) to midnight (MN). The dotted line across the graph

is the Mean Lower Low Water line (MLLW).

Tide Station

icon

Cursor line

Pop-up

name box

165

The height scale on the top right side of the graph changes, based upon

the maximum range of the tide for that day. The MLLW line also ad-

justs its position as the height scale changes.

You can look up tidal data for other dates by changing the month, day

and year selection boxes. To select another date:

1. Use → and ← to highlight month, day or year, then press ENT.

2. Use ↑ and ↓ to select the desired month, day or year, then press ENT.

To clear the information screen, press EXIT.

Pop-up Help

Help is available for virtually all of the menu labels on this unit. By

highlighting a menu item and leaving it highlighted for a few seconds, a

"pop-up" message appears that describes the function of the menu item.

This feature is on by default.

To set up Popup Help: Press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓

to POPUP HELP. With the option highlighted, press ENT to check it (turn

on) and uncheck it (turn off.) After the option is set, press EXIT|EXIT to

return to the page display.

System Setup menu, left, with Pop-up Help command highlighted. At

right, this example shows the Pop-up Help message for the Go To Cur-

sor command, located on the Map Menu.

Position Pinning

When you are standing still or moving at extremely slow speed, a GPS

receiver can have trouble determining the direction you are traveling.

In the past, this resulted in a "wandering" plot trail that moved around

the map, even if you were standing still.

The Position Pinning feature was developed so that when you stopped,

the unit locked the present position on the GPS plotter until you moved

a short distance or exceeded a very slow speed.

166

The command remains available in the unit's software, but we recom-

mend that you leave it in the default off (unchecked) mode. The "wan-

dering" plot trail issue has now been corrected by the Track Smoothing

feature. Turning on Position Pinning could actually result in an inaccu-

rate plot trail if you are moving around in a relatively small area. If you

want to experiment with Position Pinning, the same instructions are

used to turn the feature on (checked) and off (unchecked.)

2. Press EXIT|EXIT to return to the previous page.

Reset Options

To reset all features to their factory defaults:

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓ to RESET OPTIONS|ENT|←

to YES|ENT.

NOTE:

Reset Options does not erase any waypoints, routes, icons, plot trails or

sonar logs.

Reset Options command, left,

and the Reset Options Menu, right.

Require DGPS

You can force the unit to require DGPS for reporting a valid position.

(The default setting, off, uses DGPS automatically when an optional

DGPS beacon receiver is connected. However, this auto mode doesn't

require DGPS reception to yield a position.) Here's how to turn manda-

tory DGPS on and off.

2. To return to the last page displayed, press EXIT|EXIT.

3. You can return to this command and press ENT again to turn the fea-

ture off.

167

GPS Setup command, left; Require DGPS

command on the GPS Setup Menu, right.

Screen Contrast and Brightness

To access the Screen menu, press MENU|MENU|ENT.

Once in the Screen menu:

To adjust the display's contrast:

The CONTRAST slider bar is already selected. Press → or ← to move the

bar. The left end of the scale is minimum contrast; the right end is

maximum contrast.

Screen Command, left, and Screen Menu with Contrast bar selected, right.

To adjust the display's brightness:

Press ↓ to BRIGHTNESS. Press → or ← to move the bar. The left end of the

scale is minimum contrast; the right end is maximum contrast.

To adjust the screen's display mode:

Press ↓ to DISPLAY MODE|ENT|press ↑ or ↓ to select mode|EXIT.

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Display Mode menu.

Set Language

This unit's menus are available in 10 languages: English, French, Ger-

man, Spanish, Italian, Danish, Swedish, Russian, Dutch and Finnish.

To select a different language:

1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT.

2. Press ↓ to SET LANGUAGE…|ENT.

3. Use ↓ or ↑ to select a different language and press ENT. All menus

now appear in the language you selected.

Set Local Time

Using the correct local time setting is handy when estimating local ar-

rival time while navigating. Also, the time and date are saved when a

waypoint is created.

To access the Set Local Time menu, you must first acquire your posi-

tion. Once that is done: press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓ to

SET LOCAL TIME|ENT.

Once in the Time Settings menu:

To set Local Time: Press ENT. Press ↑ or ↓ to change the first charac-

ter, then press → to move the cursor to the next character. Repeat until

the time is correct, then press ENT.

To set the Month: Press ↓ to MONTH|ENT. Press ↑ or ↓ to select the

month, then press ENT.

To set the Day: Press → to DAY|ENT. Press ↑ or ↓ to select the day,

then press ENT.

To set the Year: Press → to YEAR|ENT. Press ↑ or ↓ to select the year,

then press ENT.

169

The last field in this menu is CONFIG DST. This feature allows your unit

to automatically adjust with the time change caused by Daylight Sav-

ing Time (you should only have to set it once). You may select which set

of rules matches DST in your region, or simply accept the default.

Once you have each field set the way you want, press EXIT repeatedly

until you return to the previous page.

Show WAAS Alarm

When the signal is available, your unit will automatically use WAAS to

boost the accuracy of the position fix. When the WAAS signal is lost or

acquired, an alarm message appears. Since the U.S. government is still

developing the WAAS system, it's not unusual for a GPS/WAAS re-

ceiver to frequently lose and reacquire its lock on a WAAS satellite.

That can result in the alarm repeatedly going on and off. If you want,

you have the option of turning off the WAAS Acquired/Lost alarm with-

out affecting how the unit uses WAAS. Here's how:

1. Press MENU|MENU|↓ to GPS SETUP|ENT|↓ to SHOW WAAS ALARM.

2. With the option highlighted, press ENT to uncheck it (turn off) and

check it (turn on.) After the option is set, press EXIT|EXIT to return to

the page display.

3. You can return to this command and press ENT again to turn the fea-

ture on.

Software Version Information

From time to time, Lowrance updates the operating system software in

some of its products. These software upgrades are usually offered to

customers as free downloads from our web site, www.lowrance.com.

These upgrades make the unit perform better or introduce a new fea-

ture or function. You can find out what software version is running in

your unit by using the Software Information command.

System Setup command left; Software Information command, center.

At right, the Software Information screen.

170

2. Read the information displayed on the screen.

3. To return to the last page displayed, press EXIT|EXIT|EXIT.

Sounds and Alarm Sound Styles

Sounds triggered by key strokes and alarms can be adjusted:

You first press MENU|MENU|↓ to SOUNDS|ENT.

Sounds command, left. At right, the Sounds menu.

Once in the Sounds menu:

To set Key Press Sounds: With the option highlighted, press ENT to

check it (turn on) and uncheck it (turn off.) After the option is set, press

EXIT|EXIT to return to the page display.

To set Alarm Sounds: Press ↓ to ALARM SOUNDS. With the option high-

lighted, press ENT to check it (turn on) and uncheck it (turn off.) After

the option is set, press EXIT|EXIT to return to the page display.

To set Alarm Volume: Press ↓ to VOLUME. Press → or ← to move the

bar. The left end of the scale is low volume; the right end is high volume.

After the option is set, press EXIT|EXIT to return to the page display.

To set Alarm Style: Press ↓ to ALARM STYLE|ENT. Press ↑ or ↓ to

change the style, then press ENT. After the option is set, press

EXIT|EXIT to return to the page display.

Track Smoothing

This is a factory setting on the GPS Setup menu that should always be

left on. When stopped or traveling at slow speeds (such as walking or

trolling), Track Smoothing prevents wandering of trails, the steering

arrow, compass rose and a map in track-up mode.

171

Track Smoothing option, turned on.

Trail Options

There are several options you can use with trails. Some affect all trails,

other options can be applied to a particular trail. You can change the

way trails are updated, display or hide trails, make them flash on the

screen or not flash, create a new trail, delete a trail, etc.

General Trail Options

To access the Trails Menu:

1. Press MENU|MENU|↓ to MY TRAILS|ENT.

Main Menu, left, Trails Menu, center, Trail Options, right.

Delete All Trails

To remove all of the trails from memory: from the Trails Menu, press →

to DELETE ALL|ENT|← to YES|ENT.

Flash Trails on Screen Option

From the Trails Menu, press → to TRAIL OPTIONS|ENT|↓ to FLASH TRAILS.

With the option highlighted, press ENT to check it (turn on) and un-

check it (turn off.)

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Update Trail Option

This menu lets you change the way the trail updates occur.

WARNING:

If you uncheck the Update Trail option, automatic trail

creation and recording will be turned off. You must turn

it back on to record trails. The default setting is on.

From the Trails Menu, press → to TRAIL OPTIONS|ENT. With UPDATE ACTIVE

TRAIL highlighted, press ENT to check it (turn on) and uncheck it (turn off).

Update Trail Criteria (Auto, Time, Distance)

The options are automatic, time, or distance. When it's in the default

automatic mode, the unit doesn't update the plot trail while you're

traveling in a straight line. Once you deviate from a straight line, the

unit "drops" a plot point (trail waypoint) onto the trail. This conserves

plot trail points. If a plot trail uses all of the available points allotted to

it, the beginning points are taken away and placed at the end of the trail.

From the Trails Menu, press → to TRAIL OPTIONS|ENT|↓ to UPDATE CRI-

TERIA. Press ↑ or ↓ to select criteria type|ENT.

Trail Update Rate (Time, Distance)

You can update a trail by time, with a range from 1 second to 9999 sec-

onds; the default is 3 seconds. You can update by distance, with a range

from 0.01 mile/nm/km to 9.99 mile/nm/km; the default is 0.10 mi.

With one of the Update Criteria selected, use the cursor arrows to

highlight either the UPDATE RATE or UPDATE DISTANCE data entry boxes and

press ENT. Press ↑ or ↓ to change the first character, then press → to

the next character and repeat until the entry is correct. Press EXIT to

return to the Trail Options Menu.

Trail Options menu: Update Time Rate setting, left, and Update Dis-

tance setting, right.

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Specific Trail Options

Delete Trail

To delete a specific trail: From the Trails Menu, press ↓ to Trail

Name|ENT. The Edit Trail menu appears as seen in the following fig-

ure. Press → to DELETE TRAIL|ENT|← to YES|ENT.

Edit Trail menu.

New Trail

To manually start a new trail, in the Trails Menu, make sure NEW TRAIL

is highlighted and press ENT.

Trail Visible/Invisible and Other Trail Options

The name, maximum number of points in the trail, activity, and visi-

bility are all changed on the Edit Trail menu screen. The Active setting

determines whether or not the unit is recording new points for a par-

ticular trail.

On the Edit Trail menu, press ↓ or ↑ to highlight the section you wish

to change, then press ENT. Make your changes, then press EXIT to erase

this menu. Related trail functions are discussed in further detail under

the Trails topic in Sec. 7, Advanced GPS Operations.

Units of Measure

This menu sets the speed and distance (statute or nautical miles, me-

ters), depth (feet, fathoms, or meters), temperature (degrees Fahrenheit

or Celsius) and heading (true or magnetic) units. To change the units:

Press MENU|MENU|↓ to SYSTEM SETUP|ENT|ENT.

174

System Setup Menu, left, Units of Measure Menu, right.

To set Speed/Distance Unit of Measure: Press ↑ or ↓ to change the

Speed/Distance, then press ENT. After the option is set, press

EXIT|EXIT|EXIT to return to the page display.

To set Heading: Press ↑ or ↓ to change the heading type, then press

ENT. After the option is set, press EXIT|EXIT|EXIT to return to the page

display.

175

Section 9: Searching

NOTE:

The background map loaded in your unit lets you to search for U.S.

Interstate Highway exits and exit services, as well as some land

features, including cities and lakes. For a full set of searchable land

features, including landmarks, streets, addresses and Points of In-

terest, you must load your own high-detail custom map produced

with our MapCreate 6 software. For a complete description of what

detail is found in the background map and custom MapCreate

maps, see page 108. (Remember, our pre-made FreedomMaps con-

tain all the same detail found in custom-made MapCreate maps.)

This unit's varied search functions all begin with either the Find Way-

point menu or the Map Page menu. Press WPT and the Find Waypoint

menu appears for waypoints and Points of Interest (POI). From the

Map Page, press MENU and the Map Page menu appears for streets,

addresses and highway exits.

Find Waypoint menu, left; Map Page menu, right.

NOTE:

You can search for items after the unit has acquired a position, or

while using the unit in the "indoor" simulator mode. Distance and

bearing to the selected item will be calculated from the unit's cur-

rent position, or the last known position if operating indoors (with-

out a position determined). You can look up items by name, or

search for the item nearest to you.

Find Addresses

1. From the Map Page, press MENU|↓ to FIND ADDRESS|ENT.

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2. Press ENT to search in the Address field.

3. To enter an address number, press ↑ or ↓ to change the first

number, then press → to move the cursor to the next number and re-

peat until the number is correct, then press ENT.

Find Address Menu.

4. To enter a street name, press ↓ to STREET|ENT. There are two op-

tions: A. You can spell out the name in the top selection box. Press ↑

or ↓ to change the first letter, then press → to move the cursor to the

next letter and repeat until the name is correct, then press ENT|ENT. B.

Jump down to the lower selection list by pressing ENT, then press ↓ or ↑

to select a street name from the list, then press ENT. The street name

you selected is now in the street field.

Find Address menu, left; Find Street menu, center,

with Find By Name field active; street name entry complete, right.

5. To enter a city name, press ↓ to CITY|ENT. You will be asked if you

want to find addresses only within a particular city. This option is de-

signed so you can limit an address search to a single city if necessary

(see the following note).

177

If you select yes, there are two options: A. You can spell out the city

name in the top selection box. Press ↑ or ↓ to change the first letter, then

press → to move the cursor to the next letter and repeat until the name

is correct, then press ENT|ENT. B. Jump down to the lower selection list

by pressing ENT, then press ↓ or ↑ to select a city name from the list,

then press ENT. The city name you selected is now in the city field.

NOTE:

We recommend that you do not enter a city name unless the list you

are given is too large when searching without it. This unit can ac-

tually search quicker without a city and you save time by not en-

tering a city name.

Find City field, left, Search in particular city only option, center; Find

City by name, right.

6. When the necessary search fields are filled in, press ↓ to FIND AD-

DRESS|ENT. You unit asks you to wait while it searches for the address.

(If an address is not in the database, a message appears saying the ad-

dress could not be found.)

7. The unit will display a list of addresses. If the address you are look-

ing for is highlighted at the top of the list, press ENT. If not, use ↓ and ↑

to select the correct address from the list, then press ENT. The Map

Page will then appear with the location selected by the cursor. (In the

example below, we are looking for 12303 East 11th Street in Tulsa, not

11th Court, so we had to scroll down the list to select the right one.)

178

Address search result list, left. At center, Map Page showing location

of the address on the map, highlighted by cursor. At right, after the

address is located, you can navigate to it ("D" symbol for destination).

8. To navigate to the address, press MENU|ENT|EXIT and the unit will

begin showing navigation information to the address pointed out by the

cursor. If you are only looking up an address (not navigating), just

press EXIT to return to the previous page.

Tip:

If the address also happens to be an item in the Point of Interest

database, you can look up the item's phone number in the Waypoint

Information list. With the address location selected by the cursor on

the map, press WPT. The POI's Waypoint Information window ap-

pears, with the Go To Waypoint command highlighted. If you want

to go ahead and navigate to the POI address, just press ENT|EXIT.

Left, Map Page showing location of the address on the map, high-

lighted by cursor. Center, this address is a business in the POI data-

base, so you can display the POI information window, then navigate to

it. At right, this address is not in the POI database, so the Waypoint

key will not display any information for this address.

Find Any Item Selected by Map Cursor

On the Map Page: with a POI or map feature selected by the cursor

press WPT. To return to the previous page, press EXIT.

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A POI selected by the cursor, left, POI information screen, right.

NOTE:

Since the Go To Waypoint command is highlighted, you can navi-

gate to the selected POI by pressing ENT|EXIT while in the POI

Waypoint Information screen.

Find Interstate Highway Exits

1. From the Map Page, press MENU|↓ to HIGHWAY EXITS|ENT, which calls

up the Find Exit menu.

Find Highway Exits command, left, and Find Exit menu, right.

2. First, select a highway name by pressing ENT, which calls up the

Find By Name menu. There are two highway search options: A. You

can spell out the highway name in the top selection box. Press ↑ or ↓

to change the first letter, then press → to move the cursor to the next

letter and repeat until the name is correct, then press ENT|ENT. B.

Jump down to the lower selection list by pressing ENT, then press ↓ or ↑

to select a highway from the list, then press ENT.

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Find By Name menu.

3. Once you have selected a highway name you can then select an exit.

Press ↓ to switch to the Exit List, then press ↓ or ↑ until you highlight

the exit, then press ENT.

Find Exit menu, with an exit selected in the Exit List.

4. In the Exit Information screen you have two choices. A. Press ENT to

navigate or "go to" the exit. B. Press →|ENT to find the exit on the map.

"Go To Exit" option, left, "Find On Map" option, right.

181

Tip:

You can also look up some additional information on the Exit Serv-

ices located near this exit. Press ↓ to SERVICES|press ↓ or ↑ to select

Service Name|ENT.

Exit Information screen, left; general location

and amenities information, at right.

Find Map Places or Points of Interest (POI)

1. Press WPT, press ↓ or ↑ to select a map place or POI category, then

press ENT. (To narrow your search, press → then press ↓ or ↑ to select a

subcategory before pressing ENT.) You will be given two options; Search

By Name or By Nearest.

Find Waypoint menu with Lodging POI category selected, left, and

with the RV Parks subcategory selected, right.

2. Search by nearest POI. Press ↓|ENT. The "find by nearest" menu

will show a "calculating" screen, then a list of the nearest POI's will

appear. Press ↓ or ↑ to the selected POI and press ENT to call up the

POI's Waypoint Information screen.

182

Find by Nearest option, left, Calculating screen, center, POI list, right.

3. Search by name of POI. Press ENT. There are two options: A. You

can spell out the POI in the top selection box. Press ↑ or ↓ to change

the first letter, then press → to move the cursor to the next letter and

repeat until the name is correct, then press ENT|ENT. B. Jump down to

the lower selection list by pressing ENT, then press ↓ or ↑ to select a

POI from the list, then press ENT to call up the POI's Waypoint Infor-

mation screen.

Find by Name option, left, Find by Name menu, right.

4. When the POI's Waypoint Information screen is displayed, you can

choose to "Go To" the POI waypoint by pressing ENT or find it on the

map by pressing→|ENT.

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"Go To" POI option, left, "Find on Map" POI option, right.

Find Streets or Intersections

Find a Street

1. From the Map Page, press MENU|↓ to FIND STREETS|ENT and the Find

Streets Menu appears.

Find Streets command, left, Find Streets menu, right.

2. You must first fill in a street name in the First Street dialog box.

Press ENT to display the Find By Name menu. There are two options:

A. You can spell out the street in the top selection box. Press ↑ or ↓ to

change the first letter, then press → to move the cursor to the next let-

ter and repeat until the name is correct, then press ENT|ENT. B. Or you

can jump down to the lower box and pick a street from the selection

list. Press ENT, then press ↓ or ↑ to select a street from the list and

press ENT.

184

Find Street By Name menu. Spell out name in

the top box, or select from the list in the lower box.

3. The Find Streets menu reappears with the street you're searching for

in the First Street box. (In this example, it's 80th Street.) To search for

that street, press ↓ to FIND FIRST STREET|ENT. A message appears asking

you to wait while the unit finds the street. When the Streets Found list

appears, press ↑ or ↓ to select the street you are searching for and press

ENT.

At left, the Find Streets menu with the Find First

Street command highlighted. At right, Streets Found list.

4. The Map Page appears, with the cursor pointing to the found street.

185

Map Page showing results of a street search.

The cursor points to the located street.

If you want to navigate to the found street at the cursor location, just

press MENU|ENT|EXIT.

Find an Intersection

You must enter one street in the First Street dialog box and enter the

next street in the Second Street dialog box.

1. From the Map Page, press MENU|↓ to FIND STREETS|ENT and the Find

Streets Menu appears.

2. You must fill in a street name in the First Street dialog box. Press ENT

to display the Find By Name menu. There are two options: A. You can

spell out the street in the top selection box. Press ↑ or ↓ to change the

first letter, then press → to move the cursor to the next letter and repeat

until the name is correct, then press ENT|ENT. B. Or you can jump down

to the lower box and pick a street from the selection list. Press ENT,

then press ↓ or ↑ to select a street from the list and press ENT.

3. The Find Streets menu reappears with the street you're searching for

in the First Street box. (In this example, it's 80th Street.)

4. Now fill in the second street. Press ↓ to SECOND STREET|ENT and the

Find By Name menu appears again. Just like before, there are two op-

tions: A. You can spell out the second street in the top selection box.

Press ↑ or ↓ to change the first letter, then press → to move the cursor

to the next letter and repeat until the name is correct, then press

ENT|ENT. B. Or you can jump down to the lower box and pick the sec-

ond street from the selection list. Press ENT, then press ↓ or ↑ to se-

lect a street from the list and press ENT.

186

5. The Find Streets menu reappears with the first and second street

dialog boxes filled in. In this example, we selected 71st Avenue as our

second street. You could now use similar techniques to select a city or

Zip code, but your search will probably be faster if you leave those

boxes blank. (You can specify a city and/or Zip code later on to narrow

the search, if the resulting list is too long.)

Find Intersection command highlighted, left, and

"Working" message, center. At right is the Intersections Found list.

6. To search for the intersection of the two streets, press ↓|→ to FIND

INTERSECTION|ENT. A message appears asking you to wait while the unit

finds the intersection. When the Intersections Found list appears, press

↑ or ↓ to select the intersection you are searching for and press ENT. (In

our example, we selected the intersection of SW 80th Street and SW

71st Avenue in Miami, Fla.)

7. The Map Page appears, with the cursor pointing to the found intersec-

tion. The intersection in our example is shown in the following figure.

Map Page showing results of an intersection search.

The cursor points to the located intersection.

187

If you want to navigate to the found intersection, just press

MENU|ENT|EXIT.

Find Waypoints

1. Press WPT|ENT.

2. If searching for the waypoint By Name, press ENT. If searching for

the Nearest waypoint, press ↓ to NEAREST|ENT. (To search by name,

jump to step 5.)

Find Waypoint menu, left; Find By Nearest command, center,

Find by Name command, right.

3. If you're looking for nearest, the unit says it is calculating, then a

list of waypoints appears. The closest is highlighted at the top of the

list and the farthest at the bottom of the list.

Calculating message, left, and list of the nearest waypoints, right.

4. To see location information on the closest (highlighted) waypoint,

press ENT and the Waypoint Information screen appears. (If you

wanted to, you could select another waypoint from the list with the ↑ or

↓ keys.)

188

A. To navigate to the waypoint, press ENT. (The Go To Waypoint

command is already highlighted.) The unit will show navigation in-

formation to the waypoint.

B. To find the waypoint, press ↓ to FIND ON MAP|ENT. The Map Page

appears with the cursor highlighting the found waypoint.

Waypoint Information screens with the Go To Waypoint command se-

lected, left, and the Find on Map command selected, right.

To clear these menus and return to the previous page, press EXIT re-

peatedly.

5. If you're looking by name, there are two options: A. You can spell

out the name in the top selection box. Press ↑ or ↓ to change the first

letter, then press → to move the cursor to the next letter and repeat

until the name is correct, then press ENT|ENT. B. Or you can jump

down to the lower selection list by pressing ENT, then press ↓ or ↑ to

select a waypoint from the list, then press ENT. The waypoint informa-

tion screen appears.

Find By Name menu, left. Waypoint Information screen, center. At right,

the found waypoint is highlighted by the cursor on the Map Page.

189

A. To navigate to the waypoint, press ENT. (Go To Waypoint com-

mand is already highlighted.) The unit will show navigation infor-

mation to the waypoint.

B. To find the waypoint, press ↓ to FIND ON MAP|ENT. The Map Page

appears with the cursor highlighting the found waypoint.

190

Notes

191

Section 10: Supplemental Material

Datums Used by This Unit

WGS 1984

Default

Adindan

Mean for Ethiopia,

Sudan

Adindan

Burkina Faso

Adindan

Cameroon

Adindan

Ethiopia

Adindan

Mali

Adindan

Senegal

Adindan

Sudan

Afgooye

Somalia

Ain el Abd 1970

Bahrain

Ain el Abd 1970

Saudi Arabia

Anna 1 Astro 1965

Cocos Islands

Antigua Island Astro

1943; Antigua (Lee-

ward Islands)

Arc 1950; Mean for

Botswana, Lesotho,

Malawi, Swaziland,

Zaire, Zambia and

Zimbabwe

Arc 1950 - Botswana

Arc 1950 - Burundi

Arc 1950 - Lesotho

Arc 1950 - Malawi

Arc 1950 - Swaziland

Arc 1950 - Zaire

Arc 1950 - Zambia

Arc 1950 - Zimbabwe

Arc 1960 - Mean for

Kenya, Tanzania

Ascension Island

1958 - Ascension

Island

Astro Beacon E 1945

- Iwo Jima

Astro DOS 71/4 - St.

Helena Island

Astro Tern Island

(FRIG) 1961 - Tern

Island

Astronomical Station

1952 - Marcus Island

Australian Geodetic

1966 - Australia &

Tasmania

Australian Geodetic

1984 - Australia &

Tasmania

Ayabelle Lighthouse -

Djibouti

Bellevue (IGN) -

Efate & Erromango

Islands

Bermuda 1957 -

Bermuda

Bissau - Guinea-

Bissau

Bogota Observatory -

Colombia

Bukit Rimpah - Indo-

nesia (Bangka & Be-

litung Islands)

Camp Area Astro -

Antarctica (McMurdo

Camp Area)

Campo Inchauspe -

Argentina

Canton Astro 1966 -

Phoenix Islands

Cape - South Africa

Cape Canaveral -

Bahamas, Florida

Carthage - Tunisia

Switzerland

Chatham Island Astro

1971; New Zealand

(Chatham Island)

192

Chua Astro

Paraguay

Corrego Alegre

Brazil

Dabola

Guinea

Djakarta (Batavia)

Indonesia (Sumatra)

DOS 1968

New Georgia Islands

(Gizo Island)

Easter Island 1967

Easter Island

European 1950

Mean for Austria,

Belgium, Denmark,

Finland, France,

West Germany, Gi-

braltar, Greece, Italy,

Luxembourg, Neth-

erlands, Norway,

Portugal, Spain,

Sweden, Switzerland

European 1950

Mean for Austria,

Denmark, France,

West Germany,

Netherlands, Swit-

zerland

European 1950

Mean for Iraq, Israel,

Jordan, Lebanon,

Kuwait, Saudi Arabia,

Syria

European 1950

Cyprus

European 1950

Egypt

European 1950

England, Channel

Islands, Ireland,

Scotland, Shetland

Islands

European 1950

Finland, Norway

European 1950

Greece

European 1950

Iran

European 1950

Italy (Sardinia)

European 1950

(Sicily)

European 1950

Malta

Ireland 1965

Ireland

ISTS 061 Astro 1968

South Georgia Is-

lands

ISTS 073 Astro 1969

Diego Garcia

Johnston Island 1961

Johnston Island

Kandawala

Sri Lanka

Kerguelen Island

1949

Kerguelen Island

Kertau 1948

West Malaysia &

Singapore

Kusaie Astro 1951

Caroline Islands

L.C. 5 Astro 1961

Cayman Brac Island

Leigon

Ghana

Liberia 1964

Liberia

Luzon

Philippines (Exclud-

ing Mindanao)

Luzon

Philippines (Min-

danao)

Mahe 1971

Mahe Island

Massawa

Ethiopia (Eritrea)

Merchich

Morocco

Midway Astro 1961

Midway Islands

Minna

Cameroon

Minna

Nigeria

Montserrat Island

Astro 1958; Montser-

rat (Leeward Islands)

M’Poraloko

Gabon, Nahrwan,

Oman (Masirah Is-

land)

Nahrwan

Saudi Arabia

Nahrwan

United Arab Emirates

193

Naparima BWI

Trinidad & Tobago

North American 1927

Mean for Antigua,

Barbados, Barbuda,

Caicos Islands,

Cuba, Dominican

Republic, Grand

Cayman, Jamaica,

Turks Islands

North American 1927

Mean for Belize,

Costa Rica, El Sal-

vador, Guatemala,

Honduras, Nicaragua

North American 1927

Mean for Canada

North American 1927

Mean for CONUS

(Continental United

States)

North American 1927

Mean for CONUS

(East of Mississippi

River) including Lou-

isiana, Missouri, Min-

nesota

North American 1927

Mean for CONUS

(West of Mississippi

River)

North American 1927

Alaska

North American 1927

Bahamas (Except

San Salvador Island)

North American 1927

Bahamas (San Sal-

vador Island)

North American 1927

Canada (Alberta,

British Columbia)

North American 1927

Canada (Manitoba,

Ontario)

North American 1927

Canada (New

Brunswick, New-

foundland, Nova

Scotia, Quebec)

North American 1927

Canada (Northwest

Territories, Sas-

katchewan)

North American 1927

Canada (Yukon)

North American 1927

Canal Zone

North American 1927

Cuba

North American 1927

Greenland (Hayes

Peninsula)

North American 1927

Mexico

North American 1983

Alaska, Canada,

CONUS

North American 1983

Central America,

Mexico

Observaorio Metereo

1939; Azores (Corvo

& Flores Islands)

Old Egyptian 1907

Egypt

Old Hawaiian

Mean for Hawaii,

Kauai, Maui, Oahu

Old Hawaiian

Hawaii

Old Hawaiian

Kauai

Old Hawaiian

Maui

Old Hawaiian

Oahu

Oman

Ordinance Survey

Great Britain 1936 -

Mean for England,

Isle of Man, Scotland,

Shetland Islands,

Wales

Ordinance Survey

Great Britain 1936 -

England

Ordinance Survey

Great Britain 1936 -

England, Isle of Man,

Wales

Ordinance Survey

Great Britain 1936 -

Scotland, Shetland

Islands

Ordinance Survey

Great Britain 1936 -

Wales

Pico de las Nieves

Canary Islands

Pitcairn Astro 1967

Pitcairn Island

194

Point 58

Sweden

Santo (DOS)

1965 Espirito Santo

Island

Sao Braz

Azores (Sao Miguel,

Santa Maria Islands)

Sapper Hill 1943

East Falkland Island

Schwarzeck

Nambia

Selvagem Grande

Salvage Islands

SGS 85

Soviet Geodetic

System 1985

South American 1969

Mean for Argentina,

Bolivia, Brazil, Chile,

Colombia, Ecuador,

Guyana, Paraguay,

Peru, Trinidad & To-

bago, and Venezuela

South American 1969

Argentina

South American 1969

Bolivia

South American 1969

Brazil

South American 1969

Chile

South American 1969

Colombia

South American 1969

Ecuador

South American 1969

Ecuador (Baltra, Ga-

lapagos)

South American 1969

Guyana

South American 1969

Paraguay

South American 1969

Peru

South American 1969

Trinidad & Tobago

South American 1969

Venezuela

South Asia

Singapore

Tananarive Obser-

vatory 1925; Mada-

gascar

Timbalai 1948

Brunei, East Malay-

sia (Sabah, Sarawak)

Tokyo

Mean for Japan, Ko-

rea, Okinawa

Tokyo

Japan

Tokyo

Korea

Tokyo

Okinawa

Tristan Astro 1968

Tristan da Cunha

Viti Levu 1916

Fiji (Viti Levu Island)

Wake

Eniwetok 1960

Marshall Islands

Wake Island Astro

1952

Wake Atoll

WGS 1972

Global Definition

Yacare

Uruguay

Zanderij

Suriname

195

FCC Compliance

This device complies with Part 15 of the U.S. Federal Communi-

cations Commission (FCC) Rules. Operation is subject to the fol-

lowing two conditions: (1) this device may not cause harmful in-

terference, and (2) this device must accept any interference re-

ceived, including interference that may cause undesired opera-

tion.

Changes or modifications not expressly approved by the manu-

facturer could void the user's authority to operate the equip-

ment.

Note:

This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable pro-

tection against harmful interference in a residential installation.

This equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the in-

structions, may cause harmful interference to radio communica-

tions. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can

be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of

the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

• Consult the factory customer service department for help.

196

Notes

197

Index

Accessories, 1, 5, 6, 8, 30, 36, 41, 109,

128, 175

Sec. 2, Installation & Accessories, 13

Alarm Clock, 141

Alarms, 45, 58, 59, 60, 61, 101, 112,

125, 126, 127, 139, 145, 146, 154

Depth Alarms, 58

Fish Alarm, 58, 60, 61

Zone Alarm, 58, 59, 60

Anchor Alarm, 145, 146

Antenna, 1, 4, 6, 13, 30, 31, 36, 37, 38,

39, 51, 97, 112, 113, 155, 195

Arrival Alarm, 112, 125, 126, 127, 139,

145, 146, 154

ASP (Advanced Signal Processing),

26, 57

Backlights / Lighting, 3, 43, 99

Batteries, 13, 31, 32, 33, 39, 95, 96, 97

Brightness, 2, 45, 101, 167

Calibrate Speed, 61

Cancel Navigation, 45, 101, 112, 120,

121, 122, 125, 127, 130, 139

Chart Speed, 62

Communications Ports, 31, 34, 35, 147,

148, 149

Compass, 9, 10, 47, 104, 105, 106, 112,

115, 119, 121, 126, 127, 133, 139,

154, 170

Contrast, 3, 45, 101, 167

Coordinate System, 149, 150

Cursor, 51, 113, 114, 118, 120, 121, 132,

133, 165

Custom Maps, 1, 3, 8, 39, 41, 107, 108,

114, 116, 128, 134, 160, 175

Customize Display, 85, 87, 103

Customize Map Data Shown, 156, 157,

160, 161

Data Boxes (Customize Display), 85, 87,

103

Depth Cursor, 51, 62, 63

Depth Range, 5, 26, 54, 55, 60, 63, 64,

65, 66, 69, 79, 84, 93, 96, 106, 107,

108, 109, 112, 113, 125, 155, 156,

157, 162, 163, 164, 165, 172

Automatic, 63

Manual, 64

Upper and Lower Limits, 65, 66, 92

Display Options, 83, 84, 85, 86, 87

FasTrack, 66

Fish Depths, 68

Fish I.D., 51, 54, 58, 60, 67

Fish Symbols, 51, 54, 58, 60, 67, 68

Interpreting, 54

FishReveal, 69

FishTrack, 68

Frequency, 3, 71

Change Frequency, 71

GPS Data File, 7, 8, 128, 129, 130, 134,

147

Grayline, 72

HyperScroll, 74, 77

Icons, 5, 7, 11, 44, 100, 108, 109, 128,

132, 133, 158, 161, 162, 163, 164,

166

Creating, 132

Deleting, 132

Navigate, 133

Information Displays (Customize

Display), 85, 87, 103

Installation, 6, 8, 13, 27, 28, 36, 37, 38,

198

39, 97, 128, 160

Sec. 2, Installation & Accessories, 13

Introduction

GPS and WAAS, 8

Sec. 1, Introduction, 1

Specifications, 3

Typographical Conventions, 10

Keel Offset, 79, 80

Keypad Description, 10, 43, 99

Languages, 3, 168

Lat/Lon Grid (Map Data option), 157

Main Menu, 43, 44, 45, 58, 88, 100, 101,

135, 138, 147, 171

Man Overboard, 119, 120

Map Boundaries (Map Data option),

156, 157

Map Data, 156, 157, 160, 161

Map Datum, 150, 157, 158

Selection, 150, 157

Map Detail, 109, 156, 158

Map Fix (Coordinate System), 150, 151,

152

Map Menu, 156, 158, 159, 165

Map Orientation, 106, 158, 159

Map Overlays (Map Data option), 156,

157

Memory Cards (MMC), 1, 3, 4, 5, 6, 7,

8, 39, 40, 41, 43, 46, 51, 55, 74, 89,

90, 99, 102, 107, 108, 112, 116, 123,

128, 129, 130, 134, 147, 160

Navigating, 11, 112, 118, 119, 120, 121,

125, 126, 127, 133, 137, 138, 139,

146

A Route, 138, 139

A Trail, 125

Cancel, 45, 101, 112, 120, 121, 122,

125, 127, 130, 139

To Cursor Position, 120

To Icon, 133

Nearest, 114, 115, 118, 175, 181, 182,

187

NMEA, 31, 34, 35, 147, 148, 149

Noise Rejection, 57, 75

Off Course Alarm, 145

Overlay Data, 75, 76, 77, 84

Page Displays, 2, 46, 48, 49, 51, 75, 83,

88, 102, 109, 110, 112, 153

Digital Data, 79, 85, 86, 87, 110

Map, 11, 42, 43, 44, 46, 47, 48, 51, 54,

75, 77, 79, 88, 99, 100, 102, 105,

106, 107, 108, 109, 110, 112, 118,

119, 120, 121, 124, 125, 126, 131,

133, 134, 135, 137, 138, 139, 153,

154, 156, 157, 158, 159, 160, 161,

175, 177, 178, 179, 183, 184, 185,

186, 188, 189

Navigation, 43, 46, 47, 51, 99, 102,

104, 105, 106, 112, 119, 120, 121,

125, 126, 133, 134, 137, 138, 139,

153

Satellite Status, 43, 46, 47, 51, 99, 102,

103, 104, 112, 152

Ping Speed, 74, 77, 78

HyperScroll, 74, 77

POI (Point of Interest), 44, 45, 100, 101,

108, 109, 114, 115, 116, 120, 121,

122, 143, 153, 175, 178, 179, 181,

182, 183

POIs

Search, 181

Pop-up Help, 165

Pop-up Map Info (Map Data option),

156

Power, 1, 3, 8, 13, 31, 32, 33, 34, 36, 37,

38, 39, 43, 44, 51, 81, 95, 96, 97, 99,

100, 112

Product Specifications, 3

Range, 5, 26, 54, 55, 60, 63, 64, 65, 66,

69, 79, 84, 93, 96, 106, 107, 108, 109,

112, 113, 125, 155, 156, 157, 162,

163, 164, 165, 172

199

Automatic, 63

Manual, 64

Upper and Lower Limits, 65, 92

Range Rings (Map Data option), 157

Reset Options, 54, 79, 82, 111, 118, 166

Reset Water Distance, 79

Route, 5, 7, 9, 11, 13, 15, 21, 22, 23, 28,

29, 45, 56, 79, 95, 97, 101, 104, 126,

128, 133, 134, 135, 136, 137, 138,

139, 146, 154, 166

Create and Save, 134

Delete, 137

Navigate, 138, 139

Satellite Search, 146

Searching, 2, 113, 114, 115, 116, 117,

118, 119, 122, 131, 175, 176, 177,

178, 179, 180, 181, 182, 183, 184,

185, 186, 187, 188, 189

Addresses, 175

By Cursor, 178

Highway Exits, 179

POIs, 181

Streets, 183, 184, 185, 186

Waypoints, 187

Sensitivity, 26, 52, 53, 54, 69, 70, 78,

81, 82, 85, 97

Set Local Time, 146, 168

Simulator, 6, 56, 74, 88, 89, 90, 153,

154, 155, 175

Software Version Information, 169

Sonar Chart Color Mode, 70

FishReveal, 69

Sonar Chart Display Options, 83, 84, 85,

86, 87

Sonar Menu, 53, 57, 75, 78, 82, 91

Sonar Operation

Quick Reference, 51

Sounds, 170

Speed Sensors, 4, 28, 29, 30, 61, 79, 85

Status Menu, 147

Stop Chart, 90, 91

Sun/Moon Rise & Set Calculator, 141

Surface Clarity, 91, 92

Temperature Sensors, 17, 28, 83

Text Boxes (Customize Display), 85, 87,

103

Track Smoothing, 166, 170, 171

Trail, 5, 7, 11, 39, 45, 47, 56, 79, 101,

104, 105, 106, 107, 112, 119, 122,

123, 124, 125, 126, 127, 128, 140,

141, 154, 158, 165, 166, 170, 171,

172, 173

Delete, 140

Delete All, 171

Edit Name, 140

Flash on Screen, 171

Navigate, 125

New Trail, 124, 173

Update Criteria, 172

Update Rate, 172

Transducer, 1, 3, 4, 5, 6, 13, 14, 15, 16,

17, 18, 19, 20, 21, 22, 23, 24, 25, 26,

27, 28, 29, 36, 37, 38, 39, 41, 51, 57,

64, 71, 77, 78, 79, 80, 83, 84, 90, 95,

96, 97, 149

Mounting, 17

Trip Calculator, 46, 101, 141

Trip Down Timer, 141

Trip Up Timer, 141

Units of Measure, 173, 174

Upper and Lower Limits, 65, 66, 92

Utilities, 43, 46, 99, 101, 141

WAAS, 4, 6, 8, 9, 10, 30, 47, 103, 169

Waypoints, 3, 5, 7, 10, 39, 44, 45, 47,

56, 79, 89, 100, 101, 104, 105, 106,

112, 114, 115, 116, 117, 118, 119,

120, 122, 126, 127, 128, 132, 133,

134, 135, 136, 137, 138, 139, 142,

143, 144, 145, 146, 150, 151, 152,

153, 154, 155, 158, 159, 166, 168,

172, 175, 178, 179, 181, 182, 187,

188, 189

Delete, 142

Edit, 142

Search, 187

Select, 143

200

Zooming, 4, 5, 44, 51, 83, 88, 92, 93, 96,

100, 106, 107, 112, 113, 125, 135,

136, 156

Auto Zoom, 155

Zoom Bar, 92

Zoom Pan, 93

201

Notes

202

Notes

203

LOWRANCE DATABASES LICENSE AGREEMENT

THIS IS A LEGAL AGREEMENT BETWEEN THE END-USER WHO FIRST

PURCHASES THIS PRODUCT AS A CONSUMER ITEM FOR PERSONAL,

FAMILY, OR HOUSEHOLD USE ("YOU") AND LOWRANCE ELECTRONICS,

INC., THE MANUFACTURER OF THIS PRODUCT ("WE", "OUR", OR "US").

USING THE PRODUCT ACCOMPANIED BY THIS LICENSE AGREEMENT

CONSTITUTES ACCEPTANCE OF THESE TERMS AND CONDITIONS. IF

YOU DO NOT ACCEPT ALL TERMS AND CONDITIONS, PROMPTLY RE-

TURN THE PRODUCT WITHIN 30 DAYS OF PURCHASE. PLEASE RE-

TURN USING THE ENCLOSED UPS SHIPPING LABEL AND INCLUDE:

PROOF OF PURCHASE, NAME, ADDRESS, AND PHONE NUMBER. YOUR

PURCHASE PRICE AND ANY APPLICABLE TAXES WILL BE REFUNDED.

PLEASE ALLOW 4-6 WEEKS TO PROCESS YOUR REFUND.

1. This License Agreement applies to the one or more databases that

your product may contain. We refer to these singly as a "Database"

and together as the "Databases." Your product may thus include the

"WBS Database" which contains worldwide background surface

mapping data, the "SmartMap Database" which contains inland

mapping data, or other Databases.

2. The Databases that your product may contain are licensed, not sold.

We grant to you the nonexclusive, nonassignable right to use these

Databases for supplemental navigation reference purposes, but only

as long as you comply with the terms and conditions of this License

Agreement. We reserve the right to terminate this license if you

violate any aspect of this License Agreement. You are responsible for

using official government charts and prudent navigation for safe

travel.

3. The Databases housed in your product are protected by the copy-

right notices appearing on the product or its screen(s). You may

NOT modify, adapt, translate, reverse engineer, decompile, disas-

semble, rent, lease, or resell any Database, and you may NOT create

derivative works based upon any Database or its contents. Any un-

authorized reproduction, use, or transfer of a Database may be a

crime and may subject you to damages and attorney fees.

4. This License Agreement will terminate immediately without prior

notice from us if you fail to comply with or violate any of the provi-

sions of this Agreement. Upon termination, you will promptly return

all products containing one or more Databases to us.

5. Prices and programs are subject to change without notice.

6. This License Agreement shall be governed by the laws of the State of

Oklahoma and comprises the complete and exclusive understanding

between you and us concerning the above subject matter.

204

DATABASES LIMITED WARRANTY

"We", "our", or "us" refers to Lowrance Electronics, Inc., the manufacturer of

this product. "You" or "your" refers to the first person who purchases the prod-

uct as a consumer item for personal, family, or household use. The Databases

Limited Warranty applies to the one or more databases that your product may

contain. We refer to each of these as a "Database" or together as the "Data-

bases." Your product may thus include the "WBS Database" which contains

worldwide background surface mapping data, the "SmartMap Database" which

contains inland mapping data, or other Databases.

We warrant to you that we have accurately compiled, processed, and repro-

duced the portions of the source material on which the Databases are based.

However, we are under no obligation to provide updates to the Databases, and

the data contained in the Databases may be incomplete when compared to the

source material. WE MAKE NO EXPRESS OR IMPLIED WARRANTY OF

ANY KIND ABOUT THE ACCURACY OF THE SOURCE MATERIAL ITSELF,

INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MER-

CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

If there is a defect in any Database, your exclusive remedy shall be, at our op-

tion, either a refund of the price you paid for the product containing the defec-

tive Database or a replacement of such product. WE WILL NOT UNDER ANY

CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL, CONSE-

QUENTIAL, INCIDENTAL, OR OTHER INDIRECT DAMAGE OF ANY KIND.

Some states do not allow the exclusion or limitation of incidental or consequen-

tial damages, so the above limitations or exclusions may not apply to you.

This warranty does NOT apply in the following circumstances: (1) when the

product has been serviced or repaired by anyone other than us; (2) when the

product has been connected, installed, combined, altered, adjusted, or handled

in a manner other than according to the instructions furnished with the prod-

uct; (3) when any serial number has been effaced, altered, or removed; or (4)

when any defect, problem, loss, or damage has resulted from any accident, mis-

use, negligence, or carelessness, or from any failure to provide reasonable and

necessary maintenance in accordance with the instructions of the owner’s man-

ual for the product.

We reserve the right to make changes or improvements in our products from

time to time without incurring the obligation to install such improvements or

changes on equipment or items previously manufactured.

This warranty gives you specific legal rights and you may also have other rights

which may vary from state to state.

Your remedies under this warranty will be available so long as you can show in

a reasonable manner that the defect occurred within one (1) year from the date

of your original purchase, and we must receive your warranty claim no later

than 30 days after such 1-year period expires. Your claim must be substanti-

ated by a dated sales receipt or sales slip.

205

LOWRANCE ELECTRONICS

FULL ONE-YEAR WARRANTY

"We," "our," or "us" refers to LOWRANCE ELECTRONICS, INC., the manufacturer of

this product. "You" or "your" refers to the first person who purchases this product as a

consumer item for personal, family or household use.

We warrant this product against defects or malfunctions in materials and workmanship,

and against failure to conform to this product's written specifications, all for one (1) year

from the date of original purchase by you. WE MAKE NO OTHER EXPRESS WAR-

RANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS

PRODUCT. Your remedies under this warranty will be available so long as you can show

in a reasonable manner that any defect or malfunction in materials or workmanship, or

any non-conformity with the product's written specifications, occurred within one year

from the date of your original purchase, which must be substantiated by a dated sales

receipt or sales slip. Any such defect, malfunction, or non-conformity which occurs within

one year from your original purchase date will either be repaired without charge or be

replaced with a new product identical or reasonably equivalent to this product, at our

option, within a reasonable time after our receipt of the product. If such defect, malfunc-

tion, or non-conformity remains after a reasonable number of attempts to repair by us,

you may elect to obtain without charge a replacement of the product or a refund for the

product. THIS REPAIR, OR REPLACEMENT OR REFUND (AS JUST DESCRIBED) IS

THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT,

MALFUNCTION, OR NON-CONFORMITY CONCERNING THE PRODUCT OR FOR

ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER.

WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY

SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER INDIRECT DAMAGE OF

ANY KIND.

Some states do not allow the exclusion or limitation of incidental or consequential dam-

ages, so the above limitations or exclusions may not apply to you.

This warranty does NOT apply in the following circumstances: (1) when the product has

been serviced or repaired by anyone other than us; (2) when the product has been con-

nected, installed, combined, altered, adjusted, or handled in a manner other than ac-

cording to the instructions furnished with the product; (3) when any serial number has

been effaced, altered, or removed; or (4) when any defect, problem, loss, or damage has

resulted from any accident, misuse, negligence, or carelessness, or from any failure to

provide reasonable and necessary maintenance in accordance with the instructions of the

owner's manual for the product.

We reserve the right to make changes or improvements in our products from time to time

without incurring the obligation to install such improvements or changes on equipment

or items previously manufactured.

This warranty gives you specific legal rights and you may also have other rights which

may vary from state to state.

REMINDER: You must retain the sales slip or sales receipt proving the date of your

original purchase in case warranty service is ever required.

LOWRANCE ELECTRONICS

12000 E. SKELLY DRIVE, TULSA, OK 74128

(800) 324-1356

206

How to Obtain Service…

…in the USA:

We back your investment in quality products with quick, expert service

and genuine Lowrance parts. If you're in the United States and you

have technical, return or repair questions, please contact the Factory

Customer Service Department. Before any product can be returned, you

must call customer service to determine if a return is necessary. Many

times, customer service can resolve your problem over the phone with-

out sending your product to the factory. To call us, use the following

toll-free number:

800-324-1356

8 a.m. to 5 p.m. Central Standard Time, M-F

Lowrance Electronics may find it necessary to change or end our ship-

ping policies, regulations, and special offers at any time. We reserve the

right to do so without notice.

…in Canada:

If you're in Canada and you have technical, return or repair questions,

please contact the Factory Customer Service Department. Before any

product can be returned, you must call customer service to determine if

a return is necessary. Many times, customer service can resolve your

problem over the phone without sending your product to the factory. To

call us, use the following toll-free number:

800-661-3983

905-629-1614 (not toll-free)

8 a.m. to 5 p.m. Eastern Standard Time, M-F

…outside Canada and the USA:

If you have technical, return or repair questions, contact the dealer in

the country where you purchased your unit. To locate a dealer near

you, visit our web site, www.lowrance.com and look for the Dealer Lo-

cator.

Accessory Ordering Information

for all countries

To order Lowrance GPS accessories such as computer cables or MMC

cards, please contact:

1) Your local marine dealer or consumer electronics store. Most quality

dealers that handle marine electronic equipment or other consumer

electronics should be able to assist you with these items.

To locate a Lowrance dealer near you, visit our web site,

www.lowrance.com and look for the Dealer Locator. Or, you can consult

your telephone directory for listings.

2) U.S. customers: LEI Extras Inc., PO Box 129, Catoosa, OK 74015-0129

Call 1-800-324-0045 or visit our web site www.lei-extras.com.

3) Canadian customers can write:

Lowrance/Eagle Canada, 919 Matheson Blvd. E. Mississauga, Ontario

L4W2R7 or fax 905-629-3118.

Shipping Information

If it becomes necessary to send a product for repair or replacement, you

must first receive a return authorization number from Customer

Service. Products shipped without a return authorization will not be

accepted. When shipping, we recommend you do the following:

1. Please do not ship the knobs or mounting bracket with your unit.

2. If you are sending a check for repair, please place your check in an

envelope and tape it to the unit.

3. For proper testing, include a brief note with the product describing

the problem. Be sure to include your name, return shipping address

and a daytime telephone number. An e-mail address is optional but

useful.

4. Pack the unit in a suitable size box with packing material to prevent

any damage during shipping.

5. Write the Return Authorization (RA) number on the outside of the

box underneath your return address.

6. For your security, you may want to insure the package through your

shipping courier. Lowrance does not assume responsibility for goods

lost or damaged in transit.

Visit our web site:

Printed in USA 122903 Lowrance Electronics, Inc.

Lowrance Electronic Lms 480Df Users Manual 480M And DF Owners

LMS-480M to the manual e5db506f-6302-4dd2-ae65-0211bbcda97d

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