Garmin 240 Users Manual
358-M-Fishfinder-240-Manual-Owner-S-Manual 358-m-fishfinder-240-manual-owner-s-manual
240 FishFinder240_OwnersManual
240 to the manual c856084b-6377-43f0-9193-b6bbe5c9f2d1
2015-02-28
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Fishfinder 240 owner’s manual 240 updated covers.indd 1 08/16/00, 3:25 PM © 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. Tel. 913/397.8200 or 800/800.1020 Fax 913/397.8282 GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K. Tel. 44/1794.519944 Fax 44/1794.519222 GARMIN (Asia) Corporation No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan Tel. 886/2.2642.9199 Fax 886/2.2642.9099 All rights reserved. Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without prior written consent of GARMIN Corporation. GARMIN Corporation hereby grants permission to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed for personal use, provided that such electronic or printed copy of this manual contains the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual is strictly prohibited. Information in this manual is subject to change without notice. GARMIN Corporation reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes. Visit the GARMIN website (www.garmin.com) for current updates and supplemental information concerning the use and operation of this and other GARMIN products. GARMIN and Fishfinder 100 are registered trademarks of GARMIN Corporation and may not be used without the express permission of GARMIN Corporation. August 2000 240 updated covers.indd Part Number 190-00155-10 Rev. A 2 Printed in Taiwan 08/16/00, 3:25 PM Thank You for choosing the GARMIN Fishfinder 240. This product is designed for easy operation and to provide years of reliable service. Introduction Please take the time to read this Owner’s Manual, and learn the operation of your new unit. This will help ensure that you get the most from the Fishfinder 240. If you encounter a problem, or just have a question, contact our Product Support Department at 913-397-8200, Monday — Friday 8:00 a.m. to 5:00 p.m. Central Time. Enjoy your new Fishfinder 240 and once again thank you for choosing GARMIN. Customer Service Product Registration Help us better support you by completing our on-line registration today! Have the serial number of your Fishfinder 240 handy and connect to our website (www.garmin.com). Look for the Product Registration link on the Home page. Why should you register your Fishfinder 240? • Notification of Product Updates • Notification of New Products • Lost or Stolen unit tracking NOTE: If you have previously registered your GARMIN product purchase using a mail-in registration card, we invite you to re-register using our NEW on-line system. Many services provided by our new product registration system are now being automated and re-registering your purchase ensures you the best possible support from GARMIN. i 190-00155-10 Rev A.indd 1 08/16/00, 2:45 PM GARMIN Corporation warrants this product to be free from defects in materials and manufacture for one year from the date of purchase. GARMIN will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor. The customer is, however, responsible for any transportation costs. This warranty does not cover failures due to abuse, misuse, accident or unauthorized alteration or repairs. Introduction Limited Warranty THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY, INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE. IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER RESULTING FROM THE USE, MISUSE, OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT. SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. To obtain warranty service, call the GARMIN Customer Service department (913-397-8200) for a returned merchandise tracking number. The unit should be securely packaged with the tracking number clearly marked on the outside of the package and sent freight prepaid and insured to a GARMIN warranty service station. A copy of the original sales receipt is required as the proof of purchase for warranty repairs. GARMIN retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. ii 190-00155-10 Rev A.indd 2 08/16/00, 2:45 PM The Fishfinder 240 Standard Package contains the following items: • Fishfinder 240 • Protective Front Cover • Surface/Flush Mount Kit • Wiring Adapter Cable • Owner’s Manual • Quick Reference Guide • *Transom Mount Transducer (w/depth/temp) * Optional Introduction Packaging and Accessories Optional Transducers: 010-10107-00 010-10177-00 010-10119-00 010-10224-00 010-10249-00 010-10200-00 010-10225-00 010-10252-00 Accessories: Bronze Thru-Hull (w/depth/temp) Bronze Thru-Hull (w/depth/temp/speed) Plastic Thru-Hull (w/depth) Plastic In-Hull (depth only) Plastic Transom Mount (w/depth/temp) Trolling Motor Mount (w/depth/temp) Remote Temperature Sensor Speed Sensor 010-10170-00 10’ Transducer Extension Cable 010-10170-01 20’ Transducer Extension Cable 010-10269-00 Protective Front Cover iii 190-00155-10 Rev A.indd 3 08/16/00, 2:45 PM Introduction.......................................................................... i-vi Customer Service ............................................................................................... i Limited Warranty .............................................................................................. ii Packaging and Accessories................................................................................ iii Unit Display ......................................................................................................vi Introduction Installation ...........................................................................1-9 Table of Contents Selecting A Transducer ...................................................................................... 1 Transom Mount Installation ............................................................................. 2 In-hull Installation ............................................................................................ 3 Trolling Motor Installation................................................................................. 4 Wiring Harness Installation ............................................................................... 5 Wiring to a Fuse Block ................................................................................... 5-6 Display Installation (Surface Mount) ................................................................. 7 Display Installation (Flush Mount) .................................................................... 8 Testing the Installation ...................................................................................... 9 Unit Operation.................................................................10--27 Using the Adjustment Bar Keypad Function............................................................................................. 10 Range .............................................................................................................. 12 Zoom .............................................................................................................. 13 View................................................................................................................ 13 Gain ................................................................................................................ 14 Setup Menu Chart Whiteline ........................................................................................................ 16 Scroll Speed .................................................................................................... 16 Scale................................................................................................................ 17 Tools Noise Reject .................................................................................................... 18 Flasher ............................................................................................................ 19 Simulator ........................................................................................................ 19 Numbers Number Size ................................................................................................... 20 Battery Voltage................................................................................................. 20 Temperature .................................................................................................... 21 Speed .............................................................................................................. 21 iv 190-00155-10 Rev A.indd 4 08/16/00, 2:45 PM Alarms Fish Alarm ..................................................................................................... 22 Shallow Water ................................................................................................. 22 Deep Water ..................................................................................................... 23 Battery Voltage ................................................................................................ 23 System Contrast .......................................................................................................... 24 Beeper ............................................................................................................. 24 NMEA Output................................................................................................. 24 Calibration Keel Offset....................................................................................................... 25 Water Type ...................................................................................................... 25 Units Depth ............................................................................................................ 26 Temperature .................................................................................................... 26 Speed .............................................................................................................. 26 Memory Remember....................................................................................................... 27 Factory Setup .................................................................................................. 27 Software Version.............................................................................................. 27 Introduction Table of Contents On the Water ....................................................................28-33 Understanding Sonar....................................................................................... 28 Transducer Coverage ....................................................................................... 29 Understanding the Chart ................................................................................. 30 Whiteline ........................................................................................................ 31 Thermoclines .................................................................................................. 32 Simulator Mode............................................................................................... 33 Appendix ..........................................................................34-40 Appendix A—Specifications ............................................................................ 34 Appendix B—Alarm Messages and Icons......................................................... 35 Appendix C—Fishfinder 240 Portable ....................................................... 36-37 Appendix D—Index ................................................................................... 38-40 v 190-00155-10 Rev A.indd 5 08/16/00, 2:45 PM The Fishfinder 240 is able to display a variety of useful information about the underwater environment. Below are a few things the unit will help you see. Introduction Water Depth What can the Fishfinder 240 Display? The unit displays water depth and can provide a warning for shallow or deep-water conditions. Battery Voltage The unit can display the battery voltage that is available to the unit. Water Temperature* If equipped with a capable transducer, the unit can display the water temperature. Speed Over Water* If equipped with a capable transducer or Speed Sensor, the unit can display the boat’s speed over water. Fish The unit displays fish as arches or fish symbols and can alert you when a fish is detected. Thermocline and Structure With GARMIN’s See-Thru® technology the Fishfinder 240 can display more than just the thermocline and structure, the unit displays fish in and below the thermocline, trees, brush and deadfall like you have never seen before! Bottom Shape and Type Garmin’s unique DCG® (Depth Control Gain) system provides a clear graphic representation of the bottom type and its shape. * requires optional transducer or sensor vi 190-00155-10 Rev A.indd 6 08/16/00, 2:45 PM Transducers The transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installation are critical to the operation of your unit. The transducer transmits sound waves toward the bottom in a cone shape. The larger the cone angle the larger the coverage area at a given depth. While it is good to see as large of an area as possible, it is best to select a transducer that suits the water that you are on. A wide cone angle transducer works best in shallow water. The wide cone angle provides a large coverage area, but at a decreased bottom resolution. In deeper water this can result in a large dead zone where fish cannot be seen. A narrow cone angle transducer is better suited to deep-water installations. The narrow cone angle provides a smaller viewing area (compared to a wide cone angle transducer at the same depth) with improved bottom resolution and a smaller dead zone. Included in the Optional Package is a 20° cone angle, temperature sensing, transom mount transducer. This transducer provides good all-around performance. A variety of optional transducers are available from your local dealer or GARMIN. Installation Selecting a Transducer Wide cone angle Narrow cone angle dead zone fish not seen X X 1 190-00155-10 Rev A.indd 1 08/16/00, 2:45 PM Proper transducer installation is key to getting the best performance from your new unit. If the transducer lead is too short, extension cables are available from you GARMIN dealer. DO NOT cut the transducer lead, this will void your warranty. Installation Following are some tips and basic installation instructions for three popular transducers. Detailed installation instructions are provided in the transducer kits. Mounting the Transducer Transom Mount Installation DO NOT mount the transducer behind strakes, struts, fittings, water intake or discharge ports, or anything that creates air bubbles or causes the water to become turbulent. It is important that the transducer be in calm, non turbulent water for optimal performance. 010-10248-00 (depth/temp) Transom Mount Transducer. Apply marine sealant to all screw threads to prevent water from seeping into the transom. Mount the transducer cable cover well above the waterline. Transducer should extend 1/8" below fiberglass hull or 3/8" below aluminum hull OK Make sure that the transducer is below water level when the boat is on plane at high speed Do not mount transducer directly in the path of the prop. The transducer can cause cavitation that may degrade the boat's performance and damage the prop. Mount the transducer parallel with the bottom. 2 190-00155-10 Rev A.indd 2 08/16/00, 2:45 PM In-hull Installation The 010-10224-00 transducer is designed to be mounted inside a fiberglass hull. The standard plastic transom mount transducer can also be mounted in this fashion using this method. If using a temperature sensing transducer, the temperature displayed will reflect the hull temperature. Selecting a Location Installation Mounting the Transducer The location has to be solid fiberglass, devoid of any air bubbles, laminates, fillers or dead air space. The location needs to be in an area of clean water at all speeds. Do not place the transducer over any strakes or behind any obstruction on the hull that would create turbulence at speed. Weight transducer to hold it in place PVC Pipe or a Can Fill Pipe or Can with water or a light mineral oil Many modern hulls have a prelocated pocket for In-hull transducer installation. If you are unsure if your hull is equipped with a prelocated pocket, contact your hull manufacturer. Strip Caulk or RTV Sealer Hull Surface Testing the Location Place the transducer in the water, pointed directly at the bottom and set unit for optimum performance. Place the transducer in the test device as show on the side bar. If the sonar performance is significantly degraded, another location will need to be tested. Testing the Location Apply twisting motion to eliminate any trapped air bubbles Weight transducer in place for at least 24 hours Slow cure two part epoxy Installing the Transducer 1. Lightly sand the surface of the hull and face of the transducer with 400 grit wet or dry sandpaper. 2. Build a dam using strip caulk about 1/4” tall. Pour about 1/8” of two part, slow cure epoxy in the dam. Place the transducer in the epoxy, turning the transducer to work out any air bubbles. 3. Weight the transducer in place and allow to cure for 24 hours. 190-00155-10 Rev A.indd 3 Strip Caulk or RTV Sealer Installing the Transducer 08/16/00, 2:46 PM 3 Trolling Motor Installation Included in the 010-10251-00 transducer kit you should have: Installation • Worm Gear Clamp • Cable Ties Mounting the Transducer • Transducer Mounting the Transducer: Cable Ties 1. Loosen the Worm Gear Clamp until end of the band is clear of the worm gear. 2. Slide the clamp band through the slots on the transducer. 3. Place the free end of the clamp band into the worm gear and tighten until the band is through the worm gear. Worm Gear Clamp Band 4. Place the clamp and transducer over the body of the trolling motor. Finish tightening the clamp to secure the transducer to the trolling motor. 5. Secure the transducer cable to the trolling motor shaft using the supplied cable ties. If you are experiencing interference while the trolling motor is operating, try installing the transducer cable at right angles to the trolling motor power cables. Slide clamp band through slot in bracket 4 190-00155-10 Rev A.indd 4 08/16/00, 2:46 PM Wiring Harness Installation The Fishfinder 240 comes with a wiring harness that connects the unit to power and the transducer with one easy-to-remove connection. Make sure the wiring harness will reach the unit before beginning installation. Installation If it is necessary to extend the power/data wires, use a wire of comparable size and keep your extension as short as possible. Installing the Wiring Harness 10-18 Volt Boat Supply If the transducer lead is too short, DO NOT cut the transducer lead to lengthen the cable. This will void the warranty. Transducer extension cables are available in 10’ or 20’ lengths from your GARMIN dealer. + Wiring to a Fuse Block If your boat has an electrical system, it may be possible to wire the unit directly to an unused holder on your current fuse block. If you are using the boat’s fuse block, remove the in-line fuse holder supplied with the unit. 2A Installing the Wiring Harness: Install 2-Amp Fuse 1. Determine the polarity of the fuse holder using a Test Light or Volt Meter. 2. Install the Red (+) wire on the Positive Fuse Holder Terminal. - 3. Install the Black (-) wire on the Negative Fuse Holder Terminal. 4. Install a 2 amp fuse in the Fuse Holder. Red Wire During a typical installation, only the Red and Black wires are used. The Blue wire supplies NMEA data, and doesn’t have to be connected for normal operation of the unit. The Yellow (alarm) wire is not used, the Fishfinder 240 does not support external alarms. Black Wire Boat Ground Fishfinder 240 Continued on page 6 190-00155-10 Rev A.indd 5 5 08/16/00, 2:46 PM Wiring Harness Installation (continued) If your boat does not have a fuse block, the unit can be wired directly to the battery. Make sure the 2-Amp in-line fuse supplied with the unit is installed. Installation Installing the Wiring Harness The Fishfinder 240 can be connected to another piece of NMEA compatible electronic equipment. If equipped with a capable transducer, the Fishfinder 240 sends depth, temperature and speed information that could be displayed on another device. Speed Temp Transducer 2-Amp In-Line Fuse Power/Data Connection Connecting a Transducer to Multiple Sensors 6 190-00155-10 Rev A.indd 6 08/16/00, 2:46 PM Display Installation (Surface Mount) The Fishfinder 240 can be mounted to a flat surface using the supplied Surface Mounting Bracket. Installation Installing the Display Surface Mounting the Display: 1. Position the Surface Mount in the desired location. Leave approximately 2'’ behind the unit for cable clearance. 2. Mark the location of the four mounting holes with a pencil. 3. Drill pilot holes for the mounting fasteners (not included in kit). 4. Secure the Surface Mount, using the mounting fasteners. 5. Slip the unit into the surface mount bracket. 6. Tighten the knobs to secure the unit to the bracket. The Surface Mount Bracket is designed to be secured using a flat head screw. If you use a screw with a countersunk head you risk damaging the Surface Mount Bracket. OK Surface Mount Bracket 7 190-00155-10 Rev A.indd 7 08/16/00, 2:46 PM Display Installation (Flush Mount) The Fishfinder 240 can be mounted flush against a dash or electronics rack that is no more than 1/4” thick. Installation Flush Mounting the Display: 1. Remove the Surface Mount Bracket and Knobs. Installing the Display 2 Cut a 4.3”W x 4.35”H relief hole where the unit will be mounted. 3. Place the display in the relief hole and tape in place. 4. Reinstall the knobs in the unit. Install the surface mount with the cam lobes pointed toward the unit. 5. Rotate the surface mounting bracket forcing the cam lobes to pull the unit tight against the surface. Tighten the knobs. Pull bracket down until cam lobe contacts 8 190-00155-10 Rev A.indd 8 08/16/00, 2:46 PM Testing the Installation While it is possible to perform some checks with the boat trailered, to properly test the installation the boat should be in the water. Press the Power button and the Fishfinder 240 should power on. If the unit fails to power on, verify that the wiring adapter is seated properly in the back of the unit, the Red and Black wires are connected to the correct polarity, and that the 2-Amp fuse is installed and not blown. If the unit is connected to a power supply that exceeds 18 VDC, a ‘Battery Voltage High’ warning will be displayed and the unit will turn off. Installation Testing the Installation As the unit powers on, it should immediately start showing the bottom. Verify that the unit is not in the simulator mode. If the unit is in the simulator mode, make sure that the transducer is connected to the wiring harness. To test the transducer installation, gradually increase the boat speed while checking the unit operation. If the unit displays intermittently or fails to display, verify that the transducer is aligned parallel with the bottom and if necessary, adjust the transducer height until the unit operates correctly. It may be necessary to make several adjustments to ensure proper operation throughout the speed range. When adjusting the depth of the transducer, make the adjustments in small increments. Placing the transducer too deep can adversely affect the boat’s performance and place the transducer at greater risk of striking underwater objects. 9 190-00155-10 Rev A.indd 9 08/16/00, 2:46 PM Unit Operation Arrow Keys Keypad Function The Arrow Keys are used to select items on the Adjustment Bar and Setup menu and to change field data. Enter Key The Enter key is used to activate/deactivate Adjustment Bar and Setup Menu data fields for review or change Setup Key The Setup key is used to activate/deactivate Setup Menu. Power Key The Power Key is used to turn the unit on/off and to activate the display backlight. Press and hold to turn the unit off. Press briefly and release to activate the backlight 10 190-00155-10 Rev A.indd 10 08/16/00, 2:46 PM At the top left of the display you will find the Adjustment Bar and a variety of user-selectable information including Depth, Battery Voltage, Water Temperature, and Speed Over Water. To provide data on Water Temperature and Speed Over Water, the Fishfinder 240 requires additional sensors capable of producing the particular data. The Depth Scale and the Flasher Function are displayed from top to bottom along the right side of the display. Messages and Alarm Icons are displayed along the bottom. The Fishfinder 240 has three levels of display backlighting, Off, Low and High. The backlight is activated by momentarily pressing the Power key. To change the backlight level, press the Power key repeatedly. Unit Operation Describing The Display Adjustment Bar Depth Battery Voltage Water Temperature If the unit is unable to track the bottom for any reason, the digits in the depth window will flash on and off to alert the user that the unit is not tracking the bottom. Speed Over Water Depth Scale Flasher Alarm/Message Icons 11 190-00155-10 Rev A.indd 11 08/16/00, 2:46 PM Using the Adjustment Bar The Adjustment Bar allows direct access to the settings most commonly changed while using the unit. These include the depth Range, Zoom setting, and the Gain (sensitivity) of the unit. Unit Operation Place the highlight (white bar) over the desired selection using the RIGHT or LEFT Arrow key and the current setting will be displayed in the highlight. To immediately change the setting, press the UP or DOWN Arrow key. If you wish to review the available settings before making a change, press the ENTER key to activate the adjustment list. The Adjustment Bar Current Setting Range The Range Adjustment is used to set the display depth range. The unit can be set to automatically track the bottom or set to a user-specified range. Adjustment List To select a Range: 1. Highlight ‘Range’ on the Adjustment Bar. 2. Using the UP or DOWN Arrow, place the pointer at the desired range. Setting the unit to automatically track the bottom: 1. Highlight ‘Range’ on the Adjustment Bar. 2. Using the UP or DOWN Arrow, select ‘Auto’ at the top of the adjustment list 12 190-00155-10 Rev A.indd 12 08/16/00, 2:46 PM Zoom The Zoom Adjustment is used to quickly select a display zoom scale. Unit Operation To change the zoom scale: 1. Highlight ‘Zoom’ on the Adjustment Bar. 2. Using the UP or DOWN Arrow, select the desired display zoom level. The Adjustment Bar When a scale other than ‘No Zoom’ is selected, the Adjustment Bar will display a new selection labeled View. View The View Adjustment is available only when a Zoom Scale other than ‘No Zoom’ is selected. This setting allows you to select a specific area to view on the display or allow the unit to automatically select a viewing area based on the bottom. To change the view: 1. Highlight ‘View ‘on the Adjustment Bar. Zoom Adjustment 2. Press the UP or DOWN arrows to change the setting. To have the unit automatically set a view: 1. Highlight ‘View’ on the Adjustment Bar 2. Using the UP or DOWN Arrow, move the slider to the top or bottom of the range then release and press the Arrow again. View Adjustment 13 190-00155-10 Rev A.indd 13 08/16/00, 2:46 PM Gain The Gain Adjustment allows the user to control the sensitivity of the unit’s receiver. This provides some flexibility in what is seen on the display. To see more detail, increase the receiver sensitivity by selecting a higher gain (+). If there is too much detail or if the screen is cluttered, lowering the sensitivity (-) may increase the clarity of the display. Unit Operation The Adjustment Bar To change the Gain: 1. Highlight ‘Gain’ on the Adjustment Bar. 2. Using the UP or DOWN Arrows, move the pointer to the desired setting. Normal Gain Minimum Gain Maximum Gain 14 190-00155-10 Rev A.indd 14 08/16/00, 2:47 PM Setup Menu The Setup Menu contains the unit settings that should not require frequent change. The Setup Menu is divided into eight tabs: Chart, Tools, Numbers, Alarms, System, Calibrations, Units, and Memory . Each tab will be described in more detail in this section. To enter and exit the Setup Menu, press the SETUP button on the face of the unit. The first time that the SETUP button is pressed, the Setup Menu will be displayed with the ‘Chart’ tab highlighted in black. Pressing the UP or DOWN arrow will move the highlight between the tab selections. Press the RIGHT arrow to access the selection fields. Each time the Setup Menu is accessed, the unit will return to the last edited selection field. Press the LEFT arrow key to get back to the tabs. Unit Operation Setup Menu/Chart Chart The ‘Chart’ tab allows the user to determine the appearance of the scrolling chart display. To access the ‘Chart’ tab place the highlight over it using the arrow keys. Fish Symbols — All available information will be displayed. Fish Symbols ‘Fish Symbols’ allows the user to determine how the chart will display underwater targets and background information. If ‘Fish Symbols’ are set to ‘OFF’, the unit will display all of the available information about the underwater environment. If a fish symbol is selected, the chart will display only the information related to that symbol. — Suspended targets will display as symbols. In this mode background information will still be displayed making fish identification easier. — Same as above with target depth displayed. — Suspended targets displayed as symbols. No background To select a Fish Symbol: information will be displayed in this mode. 1. Highlight the ‘Chart’ tab on the Setup Menu. 2. Highlight the ‘Fish Symbol’ selection field and press ENTER. — Same as above with target depth displayed. 3. Using the UP or DOWN arrow select the desired symbol and press ENTER. 190-00155-10 Rev A.indd 15 15 08/16/00, 2:47 PM Whiteline ‘Whiteline’ controls how the unit displays information about the bottom type (hard or soft). With the Whiteline ‘OFF’, the bottom return will display as black and contain no information on bottom hardness. With Whiteline ‘ON’, the bottom return will become gray scaled and can be used to determine bottom hardness. See page 31 for more detail on this feature. Unit Operation Setup Menu/Chart To Change the Whiteline Setting: 1. Highlight the ‘Chart’ tab on the Setup Menu. 2. Highlight the ‘Whiteline’ selection field and press ENTER. 3. Choose ‘ON’ or ‘OFF’ and press ENTER to accept the selection. Scroll Speed The speed that the chart scrolls from right to left can be adjusted using the ‘Scroll Speed’ selection field. If you are sitting still, or the chart is moving too fast slowing the scroll rate can be beneficial. Whiteline Selections To Adjust the Scroll Speed: 1. Highlight the ‘Chart’ tab on the Setup Menu. 2. Highlight the ‘Scroll Speed’ selection field and press ENTER. 3. Choose ‘Fast’, ‘Medium’, ‘Slow’ or ‘Pause’, press ENTER to accept the selection. If you are using the Fishfinder 240 on the portable case battery power, slowing the scroll rate will help to conserve your battery. Scroll Speed Selections 16 190-00155-10 Rev A.indd 16 08/16/00, 2:47 PM Scale The depth ‘Scale’ is displayed vertically along the right side of the chart. The depth ‘Scale’ can be configured to display four different ways: as an ‘Overlay’, in the ‘Corners’, with ‘Basic’ or ‘No Scale’. Unit Operation Setup Menu/Chart To Change the Scale Setting: 1. Highlight the ‘Chart’ tab on the Setup Menu. 2. Highlight the ‘Scale’ selection field and press ENTER. 3. Choose ‘Overlay’, ‘Corners’, ‘Basic’ or ‘No Scale’, press ENTER to accept the selection. Scale — Overlay Scale — Corners Scale — Basic Scale — No Scale 17 190-00155-10 Rev A.indd 17 08/16/00, 2:47 PM Tools The Tools tab contains the ‘Depth Line’, ‘Noise Reject’, ‘Flasher’, and ‘Simulator’ tools. The ‘Depth Line’ tool is used to quickly identify a set depth or measure the depth of underwater objects. The ‘Noise Reject’ and ‘Flasher’ tools are used to enhance the chart and help in identifying and providing information about an underwater return. The ‘Simulator’ tool is used to enhance the simulator mode by allowing you customize the simulated transducer selection. To access the Tools tab place the highlight over it using the arrow keys. Unit Operation Setup Menu/Tools Depth Line When the ‘Depth Line’ tool is activated, a Depth Line selection is added to the Adjustment Bar. To Activate the Depth Line: 1. Highlight the ‘Tools’ tab on the Setup Menu. 2. Highlight the ‘Depth Line’ selection field and press ENTER. Depth Line 3. Select ‘On’ and press ENTER. To Change the Depth Line Setting: 1. Place the highlight over the Depth Line selection on the Adjustment Bar. 2. Use the UP or DOWN arrow to change the setting. Noise Reject The ‘Noise Reject’ tool helps filter unwanted noise from the chart. The ‘Noise Reject’ tool can be turned ‘OFF’, set to ‘AUTO’(automatically) adjust or to a fixed ‘LOW’, ‘MED’ium or ‘HIGH’ setting. Noise Reject Selections 18 190-00155-10 Rev A.indd 18 08/16/00, 2:47 PM Remember when setting the Noise Reject tool, the higher the noise rejection setting, the more likely the unit is to not show fish or structure. To Change the Noise Reject Setting: 1. Highlight the ‘Tools’ tab on the Setup Menu. Unit Operation Setup Menu/Tools 2. Highlight the ‘Noise Reject’ selection field and press ENTER. 3. Choose ‘Off’, ‘Auto’, ‘Low’, ‘Med’, or ‘High’, and press ENTER. Flasher With the ‘Flasher’ tool active, a graphic Flasher representation will be displayed on the right side of the chart. This graphic Flasher displays structure and bottom returns much the same as a true Flasher. You may find this feature particularly useful when using ‘Fish Symbols’. To Turn the Graphic Flasher On and Off: 1. Highlight the ‘Tools’ tab on the Setup Menu Graphic Flasher Selections 2. Highlight the ‘Flasher’ selection field and press ENTER. 3. Select ‘ON’ or ‘OFF’ and press ENTER to accept the selection. Simulator The ‘Simulator’ tool allows you to select a transducer type for use with the Fishfinder 240’s built in simulator. These choices allow the simulator to more accurately depict actual operation of the unit. For details on using the simulator see page 33. Simulator Selections 19 190-00155-10 Rev A.indd 19 08/16/00, 2:47 PM Numbers The ‘NUM’ (Numbers) tab allows you to choose whether you would like to see normal or large numbers on the chart. You can also configure the unit to display ‘Battery Voltage’, (water) ‘Temperature’, and ‘Speed’ Over Water if the unit is equipped with a capable transducer. To access the Numbers tab place the highlight over it using the arrow keys. Unit Operation Setup Menu/Numbers Number Size This setting determines the size of the numbers displayed in the ‘Depth’, ‘Temperature’, ‘Battery Voltage’ and ‘Speed’ fields on the chart. To Select Normal or Large Numbers: 1. Highlight the ‘NUM’ tab on the Setup Menu. 2. Highlight the ‘Number Size’ selection field and press ENTER. 3. Choose ‘Normal’ or ‘Large’, press ENTER to accept the selection. Normal Numbers Large Numbers Battery Voltage The Fishfinder 240 can display the current battery voltage on the chart. To Show or Hide the Battery Voltage Display Field: 1. Highlight the ‘NUM’ tab on the Setup Menu. 2. Highlight the ‘Battery Voltage’ selection field and press ENTER. 3. Choose ‘Show’ or ‘Hide’, press ENTER to accept the selection. Battery Voltage Selections 20 190-00155-10 Rev A.indd 20 08/16/00, 2:47 PM Temperature The Fishfinder 240 can display the water temperature when equipped with a temperature sensing transducer. The unit has the ability to automatically sense when a temperature capable transducer is connected and display the water temperature. The temperature field can be shown or hidden regardless of the transducer installed. Unit Operation Setup Menu/Numbers To Set the Temperature Display Field: 1. Highlight the ‘NUM’ tab on the Setup Menu. 2. Highlight the ‘Temperature’ selection field and press ENTER. 3. Choose ‘Auto’, ‘Show’ or ‘Hide’, press ENTER to accept the selection. Speed The Fishfinder 240 can display the boat’s ‘Speed’ Over Water when equipped with a speed capable transducer or Speed Sensor. When set to ‘AUTO’ the unit will automatically sense when a capable transducer or sensor is connected and display the Speed. Temperature Display Selections To Set the Speed Display Field: 1. Highlight the ‘NUM’ tab on the Setup Menu. 2. Highlight the ‘Speed’ selection field and press ENTER. 3. Choose ‘Auto’, ‘Show’ or ‘Hide’, press ENTER to accept the selection. Speed Display Selections 21 190-00155-10 Rev A.indd 21 08/16/00, 2:47 PM Alarms The ‘Alarm’ tab allows you to activate and configure the four alarms available in the Fishfinder 240. To access the ‘Alarm’ tab place the highlight over it using the arrow keys. See page 35 for alarm icons and messages. Unit Operation Fish Alarm Setup Menu/Alarms The ‘Fish Alarm’ can be configured to sound by fish size. There are four different alarm selections: ‘Off’, ‘Small, Medium and Large’, ‘Medium and Large’, or ‘Large’. To Select an Alarm: 1. Highlight the ‘Alarm’ tab on the Setup Menu. 2. Highlight the ‘Fish Alarm’ selection field and press ENTER. 3. Choose the desired setting, press ENTER to accept the selection. Shallow Water The ‘Shallow Water’ Alarm can be set to sound a warning at a depth determined by the user. Before the unit will sound a warning the alarm must be activated. Fish Alarm Selections Activating/Deactivating the Shallow Water Alarm: 1. Highlight the ‘Alarm’ tab on the Setup Menu. 2. Highlight the ‘Shallow Water’ checkbox. 3. Pressing ENTER will insert or remove a check mark in the checkbox. Setting the Shallow Water Alarm Depth: 1. Highlight the ‘Shallow Water’ Depth Field and press ENTER. 2. Using the arrow keys input the desired depth, press ENTER to accept the setting. Shallow Water Alarm 22 190-00155-10 Rev A.indd 22 08/16/00, 2:47 PM Deep Water The ‘Deep Water’ Alarm can be set to sound a warning at a depth determined by the user. Before the unit will sound a warning the alarm must be activated. Activating/Deactivating the Deep Water Alarm: Unit Operation Setup Menu/Alarms 1. Highlight the ‘Alarm’ tab on the Setup Menu. 2. Highlight the ‘Deep Water’ checkbox. 3. Pressing ENTER will insert or remove a check mark in the checkbox. Setting the Deep Water Alarm Depth: 1. Highlight the ‘Deep Water’ Depth Field and press ENTER. 2. Using the arrow keys input the desired depth, press ENTER to accept the setting. Battery Voltage The ‘Battery Voltage’ alarm can be set to warn you when the battery is reaching a critical state of discharge. Deep Water Alarm Activating/Deactivating the Deep Water Alarm: 1. Highlight the ‘Alarm’ tab on the Setup Menu. 2. Highlight the ‘Battery Volts’ checkbox. 3. Pressing ENTER will insert or remove a check mark in the checkbox. Setting the Battery Volts Alarm: 1. Highlight the ‘Battery Volts’ field and press ENTER. 2. Using the arrow keys input the desired voltage, press ENTER to accept the setting. Battery Voltage Alarm 23 190-00155-10 Rev A.indd 23 08/16/00, 2:47 PM System The ‘Sys’(System) tab contains the ‘Contrast’, ‘Beeper’, and ‘NMEA’ Output setups. To access the ‘System’ Setup Menu, use the arrow keys to highlight the System tab. Unit Operation Contrast Setup Menu/Alarms The display ‘Contrast’ may need to be adjusted to compensate for light levels or viewing angles. To Adjust the Contrast: 1. Highlight the ‘System’ tab on the Setup Menu. 2. Highlight the ‘Contrast’ Adjustment field and press ENTER. 3. Move the slider using the arrow keys, press ENTER to accept the setting. Beeper The ‘Beeper’ field contains three settings: ‘Off’, ‘Alarms Only’, and ‘Key & Alarm’. Contrast Adjustment To Change the Beeper Setting: 1. Highlight the ‘System’ tab on the Setup Menu. 2. Highlight the ‘Beeper’ field and press ENTER. 3. Choose ‘Off’, ‘Alarms’, or ‘Key & Alarms’, press ENTER to accept the setting. NMEA Output The Fishfinder 240 has the ability to output information about Depth, Speed, and Water Temp for display on another NMEA-compatible device. To Activate/Deactivate the NMEA Output: 1. Highlight the ‘System’ tab on the Setup Menu. 2. Highlight the ‘NMEA’ Output field and press ENTER. Beeper Selections 3. Choose ‘Off’, or ‘On’, press ENTER to accept the setting. 24 190-00155-10 Rev A.indd 24 08/16/00, 2:47 PM Calibration Keel Offset The ‘Keel Offset’ field allows the user to offset the depth reading for a keel or for the draw on a larger vessel . To Set a Keel Offset: 1. Highlight the ‘Calibration’ tab on the Setup Menu. Unit Operation Setup Menu/Calibrations 2. Highlight the ‘Keel Offset’ field and press ENTER. 3. Using the arrow keys enter a new offset, press ENTER to accept. Water Type Since sound waves travel through fresh and salt water at different rates, it is necessary to select the ‘Water Type’ to ensure accurate depth readings. To Change the Water Type: 1. Highlight the ‘Calibration’ tab on the Setup Menu. 2. Highlight the ‘Water Type’ selection field and press ENTER. 3. Choose ‘Fresh’ or ‘Salt’, press ENTER to accept the selection. Speed Sensor With a speed sensor installed, the ‘Calibrate Speed’ field will become available. This will allow you to calibrate the Fishfinder speed to your boats speedometer or your GPS speed. To Calibrate the Speed: 1. Highlight the ‘Calibration’ tab on the Setup Menu. 2. Highlight the ‘Calibrate Speed’ button and press ENTER. 3. Run your boat, noting your top speed. Stop the boat and press ENTER. 4. With the speed field highlighted, press ENTER and input your top speed. Highlight ‘OK’ and press ENTER to finish the calibration. Transducer at Surface Enter (+) positive number to show depth from bottom of keel Transducer at Bottom of Keel Enter (-) negative number to show depth from surface 25 190-00155-10 Rev A.indd 25 08/16/00, 2:47 PM Units The ‘Units’ tab contains settings for ‘Depth’, ‘Temperature’ and ‘Speed’. To access the ‘Units’ tab, use the arrow keys to highlight it. Unit Operation Depth The ‘Depth’ field can be configured to display in Feet (ft), Meters (mt) or Fathoms (fa). Setup Menu/Units To Select a Depth Unit: 1. Highlight the ‘Units’ tab on the Setup Menu. 2. Highlight the ‘Depth’ field and press ENTER. 3. Select ‘Feet’, ‘Meters’, or ‘Fathoms’, press ENTER to accept the new setting. Temperature If equipped with a temperature capable transducer, the unit can display water temperature in Fahrenheit (°F) or Celsius (°C). Depth Selections Temperature Selections To Select a Temperature Unit, 1. Highlight the ‘Units’ tab on the Setup Menu. 2. Highlight the ‘Temperature’ field and press ENTER. 3. Select ‘Fahrenheit’ or ‘Celsius’ press ENTER to accept the new setting. Speed If equipped with a speed capable transducer, the unit can display the boat’s ‘Speed’ Over Water. The unit can be configured to display in ‘Nautical Miles-Per-Hour’ (kt), ‘Kilometers-Per-Hour’ (kh), or ‘Miles-Per-Hour’ (mh). To Select a Speed Unit: 1. Highlight the ‘Units’ tab on the Setup Menu. Speed Selections 2. Highlight the ‘Speed’ field and press ENTER. 3. Select ‘Miles’, ‘Kilometers’, or ‘Knots’, press ENTER to accept the 26 190-00155-10 Rev A.indd 26 08/16/00, 2:47 PM Memory The ‘Memory’ tab contains the settings for unit memory, allows you to reset the unit to the factory setup and allows you to review software version information. To access the ‘Memory’ tab, use the arrow keys to highlight it. Remember Unit Operation Setup Menu/Memory The Fishfinder 240 can be set to remember All of the unit settings including the Adjustment Bar or the items in Setup Only. To Select a Memory Setting: 1. Highlight the ‘Memory’ tab on the Setup Menu. 2. Highlight the ‘Remember’ field and press ENTER. 3. Choose ‘All’ or ‘Setup Only’, press ENTER to accept the selection. Factory Setup To Restore the Factory Settings: 1. Highlight the ‘Memory’ tab on the Setup Menu. Remember Selections Reset to Factory Settings 2. Highlight the ‘Factory’ Setup button and press ENTER. 3. Choose ‘OK’ to reset the unit or ‘Cancel’ to abort. Software Version The ‘Software Version’ Button will report information about the current software version in the unit, and display the ID Number. To Activate the Software Version Window: 1. Highlight the ‘Memory’ tab on the Setup Menu. 2. Highlight the ‘Software Version’ button and press ENTER. Software Version Information 3. Press ENTER to close the information window. 27 190-00155-10 Rev A.indd 27 08/16/00, 2:47 PM Understanding Sonar If you are familiar with sonar, and can determine what is on the chart, this section may not be for you. This section is intended to help the novice user gain some understanding of how the Fishfinder 240 operates and how it can help improve their fishing productivity. On the Water Unit Operation and the Chart 1 2 3 1 2 3 This fish is currently in a Dead Zone and is not detected by the sonar. The fish is in the coverage area of the transducer, but remember the first strong return sets the bottom level. The fish will never be detected since the bottom level will never be set below the fish. The fish on the right side of the display (shown in light grey) will be detected and displayed when the transducer cone passes over the fish. To understand what the unit is displaying, it is important to have a general knowledge of how the unit works and how it determines what to display. Briefly described, the unit operates by transmitting sound waves toward the bottom of a lake, stream or seabed in a cone shaped pattern. When a transmitted soundwave strikes an underwater object such as the bottom, a piece of structure, or a fish, sound is reflected back to the transducer. The transducer collects the reflected sound waves and sends the data to the unit to be processed and displayed on the chart. The underwater data is displayed on the chart in the order that it is returned: first returned—first on the chart. The diagram in the sidebar demonstrates this showing an underwater scene as it would be displayed on the chart. Generally speaking, if the only thing between the transducer and the bottom is water, the first strong return will come from the bottom directly below the transducer. The first strong return sets the bottom level. Weaker secondary returns provide the detailed data. Stronger returns will display in darker colors, black being the strongest return. In Example 2 (page 30) you can see that the branches and the fish were the strongest secondary returns and are indicated in black on the display. That is brief description of how your Fishfinder operates. Let’s take a look at how this data can help you to improve your fishing. 28 190-00155-10 Rev A.indd 28 08/16/00, 2:47 PM Transducer Coverage The area covered by the transmitted sound waves is determined by the cone angle of the transducer and the water depth. Using Garmin’s standard 20° transducer, the coverage is approximately 1/3rd of the water depth. As shown in Example 1, the coverage area at a 30 foot depth is approximately a 10 foot diameter circle. The scale below illustrates how coverage increases as depth increases. Coverage Diameter Depth On the Water Transducer Coverage Coverage Diameter 1' 3' 2' 6' 3' 9' 4' 12' 5' 15' 30" 18' 35" 6' 4" 3' 10" 6' 15" 9' 20" 12' 25" 15' 40" 7' 21' 45" 8' 24' 9' 27' 10' 30' 45" Depth 18' 21' 24' 27' 30' 8° Transducer Coverage Chart Example 1. 29 190-00155-10 Rev A.indd 29 08/16/00, 2:47 PM Understanding the Chart It is important to understand that the unit does not display a 3-D representation of the underwater environment. The unit can display multiple things at the same time, but can not determine where the return originated only when it was received. On the Water Understanding the Chart Example 2 provides a look at the underwater world from a top view, and relates that view to what would be displayed on the chart. On the chart it appears the fish and tree are side by side, but when we look at the scene from the top we can see that the fish is several feet from the tree. It is important to remember that the fishfinder can not determine where in the coverage area the tree or fish are, only that the returns were received in the same time frame. Branches Enlarged Transducer View Fish Branches Enlarged Transducer View Remember that the Fishfinder displays a 2D picture of the underwater environment. The fish and tree could be located anywhere in the coverage area at that slice of time. Fish Example 2. 30 190-00155-10 Rev A.indd 30 08/16/00, 2:47 PM Whiteline The Fishfinder 240 can help you to determine if the bottom is hard or soft. When the sonar soundwaves are reflected back by the bottom, a hard bottom will return a stronger signal than a soft bottom. The stronger bottom return, the wider the bottom layer is displayed. The unit uses the whiteline function to make this bottom layer information easier to distinguish. When viewing the display without Whiteline active, the bottom return is black. While you can make some determination of the bottom type, the black return makes this more difficult. With the whiteline active the bottom return appears layered in shades of gray and black and makes determining the bottom type easier and more reliable. Example 3 shows the bottom return with and without the whiteline activated. Hard Bottom Whiteline Turned Off Whiteline On the Water Understanding the Chart Whiteline can also help you to determine the type of bottom structure that is displayed on chart. By determining the hardness of the structure you can make a better informed decision on the type of structure. Soft Bottom Whiteline Active Structure is hard, probably a rock or stump Structure is soft, probably a mud pile Example 3. 190-00155-10 Rev A.indd 31 31 08/16/00, 2:47 PM Thermoclines On the Water Understanding the Chart One of the unique features offered by GARMIN is See-Thru® technology. See-Thru® technology allows the Fishfinder 240 to see through thermoclines and helps locate fish where they live, and fish love the thermocline. A rough definition of a thermocline is a break in water where the water temperature changes faster than the water above it. The thermocline usually displays as a gray level as shown below. Thermocline 32 190-00155-10 Rev A.indd 32 08/16/00, 2:47 PM Simulator Mode The Fishfinder 240 comes with a built-in simulator mode that will allow the user to practice and learn the operation of the unit at home rather than on the water. To start the simulator mode, turn the unit on without a transducer installed. As the unit powers on, the unit will indicate that it is running the simulator mode by displaying a message across the bottom of the chart. The message will be replaced by the simulator mode icon in the lower left corner of the chart. While in the simulator mode, the unit will display a random bottom scene and the Fishfinder 240 can be controlled just as if it were on the water. On the Water Simulator Mode The unit can be configured to act as if a variety of transducers are installed while in the simulator mode. To Select a Specific Transducer: 1. Press the Setup button on the face of the unit. Simulator Message and Icon 2. Using the arrow keys, highlight the ‘Tools’ tab then the ‘Simulator’ selection field. 3. Press ENTER. Choose the desired transducer from the list. 4. Press ENTER to accept the transducer selection. To exit the Simulator, turn the unit off. Simulator Transducer Selections 190-00155-10 Rev A.indd 33 08/16/00, 2:47 PM 33 Physical Case: Fully Gasketed, high-impact plastic alloy On Appendix the Water A Display: 3.3” x 3.3” (8.3 x 5 cm) 240 H x 240 W pixels Size: 4.625” H x 6.0” W x 2.75” D (11.7 x 15.2 x 7cm) Weight: 24 oz. Specifications Temperature Range: +5° to 158°F (-15C to 70C) Waterproof: IEC 529, level IPX-7 (submerged to 1 meter for 30 minutes) Power Input: 10 to 18 VDC with High Voltage Protect Usage: 10 watts maximum Nominal: 12 VDC @ 0.8 amps Performance Sonar Power Output: 400 watts (RMS), 3200 watts (peak to peak) Frequency: 200 kHz Depth 1200 foot max depth* NMEA Support: NMEA 0183 Versions 2.0 - 2.3 Output Sentences: DBT, DPT, MTW, VHW * Depth capacity is dependent on water salinity, bottom type and other water conditions. Specifications subject to change without notice. 34 190-00155-10 Rev A.indd 34 08/16/00, 2:47 PM Alarm Messages and Icons The Fishfinder 240 displays a message when an alarm is tripped. To clear the message press the ENTER key. If the ENTER key is not pressed, the unit will automatically remove most messages after 10 seconds and display a reminder icon in the lower left corner of the chart until the alarm is no longer valid. Battery Voltage Low Unit Needs Repair Deep Water Alarm Unit Needs Repair Shallow Water Alarm Memory Deleted Supply Voltage Low Increase Setting Supply Voltage High Fish Alarm On Appendix the Water B Messages and Alarms 35 190-00155-10 Rev A.indd 35 08/16/00, 2:48 PM Fishfinder 240 Portable The Portable Case On Appendix the Water C The Portable Case is designed for rugged use and provides storage for the Battery Pack and the Portable Suction Cup Transducer and a mount for the Fishfinder 240. The case is water resistant but is not designed to float in the event it should go overboard. Fishfinder 240 Portable Use the two square eyelets located by the handle to secure the Fishfinder 240 Portable Case to the boat. The Suction Cup Transducer Using the Portable unit you will still need to find a suitable location for the transducer. If you are in a slow moving boat such as a canoe or flat bottom boat, the mounting location is not as critical. Follow these simple guidelines and you should be fine. 1. Look for clean (non-turbulent) water 2. Mount the transducer with approximately 1/2” extending beyond the bottom of the boat. Secure Fishfinder 240 to the boat using the provided eyelets 3. Do not mount the transducer behind strakes on the bottom of the boat or in the path of a prop. 4. If you experience poor reception, try another location. I WARNING! Speeds in excess or 20 MPH may cause the transducer to fly off and strike occupants of the boat. 36 190-00155-10 Rev A.indd 36 08/16/00, 2:48 PM When storing the Suction Cup Transducer in the case, dry the transducer and cable to avoid corrosion. If using in Salt Water, rinse the transducer and cable in fresh water and dry before storing in the case. Batteries The Fishfinder 240 Portable comes with a D-Cell battery pack. Eight D-Cell Alkaline batteries will provide approximately 20 hours of continuous operation. You have the option of purchasing a 12 Volt Rechargeable Gel-Cell Battery for the portable case. If using a Gel-Cell battery you can anticipate approximately 40 hours of continuous operation between charges. Cold temperatures reduce battery life. On Appendix the Water C Fishfinder 240 Portable Installing the D-Cell Batteries: 1. Disconnect the Red and Black leads. 2. Install the batteries noting the correct polarity. 3. Reconnect the Red and Black leads and place the battery pack (batteries down) in the provide location within the case. D-Cell and Optional Gel-Cell Battery Packs Installing a Gel Cell Battery: Verify that the Gel-Cell battery has male spade connectors installed on the positive and negative leads. Install the battery pack into the moulded location in the Portable case 1. Disconnect the Red and Black leads and remove the D-Cell Battery Pack. 2. Connect the Red and Black Gel-Cell leads to the Red and Black wires in the portable case. 3. Place the Gel-Cell battery in the same location as the D-Cell Battery Pack. The Portable Case was designed to accommodate a 12 Volt 37 190-00155-10 Rev A.indd 37 08/16/00, 2:48 PM A Accessories ..................................................................................................... iii Adjust the Scroll Speed .................................................................................. 16 Adjustment Bar ............................................................................................. 12 Alarms .................................................................................................... 22, 35 Arrow Keys .................................................................................................... 10 On Appendix the Water D Index B Batteries ........................................................................................................ 37 Battery Voltage (alarm) .................................................................................. 23 Battery Voltage (display) ................................................................................ 20 Beeper ........................................................................................................... 24 C Calibration .................................................................................................... 25 Chart ............................................................................................................. 15 Contrast ........................................................................................................ 24 D Deep Water ................................................................................................... 23 Depth ............................................................................................................ 26 Depth Line ...................................................................................................... 18 Display ............................................................................................................vi Display Installation.......................................................................................... 7 E Enter Key ...................................................................................................... 10 F Factory Setup ................................................................................................ 27 Fish Alarm .................................................................................................... 22 Fish Symbols ................................................................................................. 15 Fishfinder 240 Portable ................................................................................. 36 Flasher .......................................................................................................... 19 Flush Mount ................................................................................................... 8 G Gain . ............................................................................................................ 14 38 190-00155-10 Rev A.indd 38 08/16/00, 2:48 PM I In-hull Installation .......................................................................................... 3 Installing the Display ....................................................................................... 7 On Appendix the Water D K Keel Offset ..................................................................................................... 25 Keypad.......................................................................................................... 10 Index L Limited Warranty ............................................................................................ ii M Memory ......................................................................................................... 27 Messages ....................................................................................................... 35 N NMEA Output ............................................................................................... 24 Noise Reject .................................................................................................. 18 Number Size ................................................................................................. 20 Numbers ....................................................................................................... 20 O Operation ...................................................................................................... 28 P Portable Case ................................................................................................. 36 Power Key ..................................................................................................... 10 R Range ............................................................................................................ 12 Remember ..................................................................................................... 27 S Scale .............................................................................................................. 17 Scroll Speed .................................................................................................. 16 Setup Key ...................................................................................................... 10 Setup Menu ................................................................................................... 15 Shallow Water ............................................................................................... 22 Simulator ...................................................................................................... 19 190-00155-10 Rev A.indd 39 39 08/16/00, 2:48 PM S Software Version ............................................................................................ 27 Specifications ................................................................................................ 34 Speed ....................................................................................................... 1, 26 Speed Sensor ................................................................................................... 25 Suction Cup Transducer ................................................................................ 36 System ........................................................................................................... 24 On Appendix the Water D Index T Table of Contents ............................................................................................ iv Temperature ........................................................................................... 21, 26 Testing the Installation .................................................................................... 9 Tools ............................................................................................................. 18 Transducers ..................................................................................................... 1 Transom Mount Installation ............................................................................ 2 Trolling Motor Installation ............................................................................... 4 U Understanding Sonar ..................................................................................... 28 Units ............................................................................................................ 26 V View ............................................................................................................. 13 W Water Type .................................................................................................... 25 Whiteline ...................................................................................................... 16 Wiring Harness Installation ........................................................................ 5, 6 Z Zoom ............................................................................................................ 13 40 190-00155-10 Rev A.indd 40 08/16/00, 2:48 PM 240 updated covers.indd 3 08/16/00, 3:25 PM © 1999 - 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K. GARMIN (Asia) Corporation No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan www.garmin.com Part Number 190-00155-10 Rev. A 240 updated covers.indd 4 08/16/00, 3:25 PM
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