Northstar Navigation 2 Kw Users Manual Radar Installation

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Northstar 2 kW Radar Installation Manual 1

2 Northstar 2 kW Radar Installation Manual

FCC Statement

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 protection

against harmful interference in a normal installation. This equipment generates, uses and can radiate

radio frequency energy and, if not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. 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 output on a circuit different from that to which the receiver

is connected.

 Consult the dealer or an experienced technician for help.

 A shielded cable must be used when connecting a peripheral to the serial ports.

Industry Canada

Operation is subject to the following two conditions (1) this device may not cause interference, and (2)

this device must accept any interference, including interference that may cause undesired operation

of the device.

Refer also to the system specifications section.

Compliance Statement

EMC compliance:

USA (FCC): Part 15 Class B

Refer also to the system specifications section.

Disclaimer

As Northstar is continuously improving this product we retain the right to make changes to the

product at any time which may not be reflected in this version of the manual. Please contact your

nearest Northstar distributor if you require any further assistance.

It is the owner’s sole responsibility to install and use the instrument and transducers in a manner that

will not cause accidents, personal injury or property damage. The user of this product is solely

responsible for observing safe boating practices.

BRUNSWICK NEW TECHNOLOGIES INC. AND ITS SUBSIDIARIES AND AFFILIATES DISCLAIM ALL

LIABILITY FOR ANY USE OF THIS PRODUCT IN A WAY THAT MAY CAUSE ACCIDENTS, DAMAGE OR THAT

MAY VIOLATE THE LAW.

Governing Language: This statement, any instruction manuals, user guides and other information

relating to the product (Documentation) may be translated to, or has been translated from, another

language (Translation). In the event of any conflict between any Translation of the Documentation,

the English language version of the Documentation will be the official version of the Documentation.

This manual represents the product as at the time of printing. Brunswick New Technologies Inc. and its

subsidiaries and affiliates reserve the right to make changes to specifications without notice.

Copyright © 2006 Brunswick New Technologies Inc. Northstar™ is a registered trademark of Brunswick

New Technologies Inc.

Northstar 2 kW Radar Installation Manual 3

Warranty

The Northstar Warranty Statement is supplied as a separate document.

It is shipped with the Product Registration Card.

In case of any queries, refer to www.northstarnav.com.

Feedback from you

Your feedback is important and helps Northstar ensure that this manual is a valuable resource for all

marine technicians. E-mail your comments or suggestions about this manual to the following address:

manuals@northstarnav.com.

4 Northstar 2 kW Radar Installation Manual

Contents

FCC Statement....................................................................................................................................................................................... 2

Industry Canada.................................................................................................................................................................................... 2

Compliance Statement....................................................................................................................................................................... 2

Disclaimer................................................................................................................................................................................................ 2

Warranty.................................................................................................................................................................................................. 3

Feedback from you.............................................................................................................................................................................. 3

1 Preface 6

2 Introduction to the Northstar radar 8

2.1 2 kW radar system overview .................................................................................................................................................. 8

2.2 Check the 2 kW radar parts..................................................................................................................................................... 9

3 Install the radar 13

3.1 Choose the scanner location ...............................................................................................................................................13

3.1.1 Power boat installations........................................................................................................................................................14

3.1.2 Yacht installations ...................................................................................................................................................................15

3.2 How to find the optimum height for the scanner ........................................................................................................16

3.3 How to find the maximum detection range...................................................................................................................16

3.4 How to reduce false echoes and shadow zones ...........................................................................................................17

3.5 2 kW scanner dimensions .....................................................................................................................................................18

3.6 Install a scanner on a trestle.................................................................................................................................................18

3.7 Install the 2 kW scanner unit................................................................................................................................................19

3.8 Install the radar processor ....................................................................................................................................................20

4 Wire the radar system 21

4.1 Wiring guidelines.....................................................................................................................................................................21

4.2 Connect the 2 kW interconnection cable (NS003101) to the scanner...................................................................21

4.3 Run the 2 kW interconnection cable (NS003100/NS003101) to the radar processor.......................................25

4.4 2 kW radar processor connections.....................................................................................................................................26

4.5 Connect the 2 kW radar processor to a 6000i or 6100i display................................................................................27

4.5.1 Connect the radar communications cable (NS003107) to the junction box.......................................................28

4.5.2 Configure the remote power control for a 6000i or 6100i (common power source).......................................30

4.5.3 Configure the remote power control for a 6000i or 6100i (different power sources)......................................32

4.6 Connect the 2 kW radar processor to an 8000i display ..............................................................................................33

4.6.1 Configure the remote power control for an 8000i.......................................................................................................33

4.6.2 Connect an 8000i network cable (NS00481X)................................................................................................................34

4.6.3 Connect the optional NMEA compass for an 8000i.....................................................................................................34

4.7 Connect the power cable......................................................................................................................................................34

4.8 Connect the ground wire......................................................................................................................................................35

4.9 Radar system checklist...........................................................................................................................................................36

5 Set up the radar with a Northstar system 37

6 Set up the radar with the Northstar 6000i or 6100i 38

6.1 Turn the radar on and off......................................................................................................................................................38

6.1.1 Before you turn on the radar for the first time...............................................................................................................38

6.1.2 Turn the radar on.....................................................................................................................................................................38

6.1.3 Turn the radar off.....................................................................................................................................................................38

Northstar 2 kW Radar Installation Manual 5

6.2 Configure the navigator communications......................................................................................................................39

6.3 Heading sensor requirements.............................................................................................................................................39

6.3.1 Disable the heading sensor input ......................................................................................................................................39

6.4 Calibrating the radar...............................................................................................................................................................40

6.4.1 Prepare for calibration ...........................................................................................................................................................40

6.4.2 Tune the radar...........................................................................................................................................................................40

6.4.3 Set the STC Curve.....................................................................................................................................................................40

6.4.4 Set the trigger delay ...............................................................................................................................................................41

6.4.5 Set the heading calibration (heading sensor installed) ..............................................................................................41

6.4.6 Set the heading calibration (heading sensor not installed) ......................................................................................42

6.5 Adjust the appearance settings..........................................................................................................................................42

6.6 Restore all the factory settings............................................................................................................................................43

6.6.1 Restore the factory appearance settings .........................................................................................................................43

7 Maintenance 44

7.1 General maintenance.............................................................................................................................................................44

7.2 Scanner maintenance.............................................................................................................................................................44

7.3 Other maintenance items .....................................................................................................................................................44

8 Troubleshoot the radar 45

8.1 Technical support, service and repairs .............................................................................................................................45

8.2 Radar is not operating correctly..........................................................................................................................................45

8.3 If the scanner fails to turn......................................................................................................................................................46

8.4 How to reduce noise and interference.............................................................................................................................46

8.5 Make sure the power is present and correctly wired...................................................................................................47

8.6 Confirm the equipment installed.......................................................................................................................................47

8.7 Are Range Rings displayed? .................................................................................................................................................47

9 Manual tuning procedure for the 6000i or 6100i system 48

10 2 kW radar system specifications 49

6 Northstar 2 kW Radar Installation Manual

1 Preface

This manual explains how to install the scanner and the radar processor. It also explains how to set up

the radar system after installation and gives information on troubleshooting.

This manual is supplementary to Revision C and Revision D of the

Northstar 6100i Networked

Navigation System Installation Manual Part Number GM6KIM

.

If the radar will be used with a Northstar 8000i system, this manual should be used with the Northstar

8000i System installation documentation for your display processor.

This manual is written for professional marine technicians, installation technicians, and service

technicians, and can be used for information by dealers.

PLEASE READ CAREFULLY BEFORE USE

WARNING indicates a potentially hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result

in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous

situation which, if not avoided, may result in property damage.

Ensure that mains power is OFF before starting installation or servicing work. Electrical shock, fire or injury can

result if electrical power remains ON, or is switched ON, during installation or servicing work.

A potentially lethal high voltage is present and can remain for a period of time after the equipment is turned OFF.

Ensure that capacitors are discharged with an Earthed wire before starting servicing work.

Ensure that internal surfaces are no longer charged before you touch them.

To minimize accidents, wear dry cotton gloves and avoid touching equipment with both hands unless absolutely

necessary. Always work from a stable position to avoid slipping or falling onto the equipment.

The radar is intended ONLY as an aid to navigation.

The skipper must make final decisions based on all of the information sources to hand

and must not rely solely on the radar.

Northstar 2 kW Radar Installation Manual 7

Only qualified personnel should install or service this equipment. Installation or servicing work that is done by

non-qualified personnel can result in equipment breakdown, poor performance of the equipment, fire, electrical

and physical hazards, injury or death.

Wear safety equipment such as a hard hat and a safety belt at all times when installing or working on the scanner.

The scanner is usually installed in an elevated position and serious injury or death can result if a person falls while

installing or working on it. It may be necessary to construct a working platform, particularly for the installation.

Install the scanner in an elevated position to minimize the radiation hazard to personnel.

Never look directly into the scanner at close range while the radar is operating.

Radar scanners emit electromagnetic energy at a frequency that can be harmful at close range. Always keep the

recommended safe distance from the scanner as follows:

Scanner

Model

Vertical beam

angle of scanner

(degrees)

Minimum safe distance (100 Watts

per m² average power density)

Note 1

Minimum safe distance (10 Watts

per m² average power density)

Note 2

2 kW 30 1.6 ft (0.5 m) 4.6 ft (1.4 m)

4 kW 25 3 ft (0.9 m) 9.3 ft (2.8 m)

6 kW 20 3.6 ft (1.1 m) 11.5 ft (3.5 m)

10 kW 20 9.5 ft (2.9 m) 3 ft (9.0 m)

25 kW 20 18 ft (5.5 m) 57 ft (17.4 m)

NOTES: Limits apply to exposure within the vertical beam angle.

Note 1: Peak occupational exposure limit pursuant to IEC 60936 Clause 3.27 and IEC 62252 Clause 4.32

Note 2: General public exposure limit pursuant to IEC 60936 Clause 3.27 and IEC 62252 Clause 4.32

8 Northstar 2 kW Radar Installation Manual

2 Introduction to the Northstar radar

The Northstar radars are designed as an option available to the Northstar 6000i, 6100i, or 8000i

systems.

A variety of scanner models are available (2 kW, 4 kW, 6 kW, 10 kW and 25 kW) to suit different

customer requirements. Each scanner model has a corresponding radar processor model.

2.1 2 kW radar system overview

The 2 kW radar system is intended for use in a marine environment. It consists of a dome connected

to the 2 kW radar processor by a prefabricated interconnection cable (NS00310X), which is available in

two lengths.

where A is the radar processor, B is the vessel's power supply (12 V DC ONLY), and C is the Network

Linker (NS004721).

If the radar processor is connected to a Northstar 6000i or 6100i, it communicates with the display unit

through the 6000i and 6100i radar communications cable (NS003107). An optional extension cable

(NS003108) is available.

If the radar processor is connected to a Northstar 8000i system, it communicates with the 8000i

Network Linker (NS004721) through the 8000i network cable (NS00481X).

DC power for the scanner and radar processor is provided through a power cable that connects the

radar processor to the vessel's DC power supply. The power cable is not supplied.

Northstar 2 kW Radar Installation Manual 9

2.2 Check the 2 kW radar parts

The RDR1021MD 2 kW radar system consists of a scanner, a radar processor, and associated cables.

There are two basic options for the 2 kW radar:

 NS004790R is the standard 2 kW radar system, consisting of a box containing the scanner

and the 49 ft (15 m) interconnection cable (NS003100). This is pre-installed into the scanner.

 NS004790M is the alternative 2 kW radar system, consisting of a box containing only the

scanner. This radar system is designed for use with the (65.5 ft) 20 m interconnection cable

(NS003101) which is ordered and supplied separately.

If you want to use an interconnection cable length other than the 49 ft (15 m) or 65.5 ft (20 m) options,

please consult your Northstar dealer.

If you're connecting the 2 kW radar to a Northstar 6000i or 6100i system, a 10 ft (3 m) radar

communications cable (NS003107) is supplied with the 6000i or 6100i system. If this is not long

enough, an optional 6 ft (1.8 m) extension cable (NS003108) can be added. between the radar

processor and the 6000i. This extension cable is not supplied as standard, and must be ordered

separately.

If you're connecting the radar to a Northstar 8000i system, you need the 8000i network cable

(NS00481X) which is available is several lengths. This is not supplied as standard, and must be ordered

separately.

Unpack the boxes carefully and check the contents against the packing lists. If anything is missing,

contact your distributor.

NS004790R 2 kW scanner standard components

Quantity Item Part name Part no.

1

Scanner unit NS004790 with

interconnection

cable NS003100

49 ft (15 m) pre-

installed

4

Hexagonal bolt

5/16-18

UNCx31.75 mm

Part of Hardware

kit HR000066

4

M8 Spring

washer

Part of Hardware

kit HR000066

4

M8 Plain washer Part of Hardware

kit HR000066

4

Rubber washer Part of Hardware

kit HR000066

1

Packing list LA000450A

1

Installation sheet

MTZ303386

LA000410A

1

Mounting

template

LA000451A

10 Northstar 2 kW Radar Installation Manual

NS004790M 2 kW scanner standard components

Quantity Item Part name Part no.

1

Scanner unit NS004790

4

Hexagonal bolt

5/16-18

UNCx31.75 mm

Part of Hardware

kit HR000066

4

M8 Spring

washer

Part of Hardware

kit HR000066

4

M8 Plain washer Part of Hardware

kit HR000066

4

Rubber washer Part of Hardware

kit HR000066

1

Packing list LA000450A

1

Installation sheet

MTZ303386

LA000410A

1

Mounting

template

LA000451A

NS004780R 2 kW radar processor standard components

Quantity Item Part name Part no.

1

2 kW radar

processor box

NS004780

1

This manual MN000355A

1

Installation

template

LA000276A

Northstar 2 kW Radar Installation Manual 11

1

Product

Registration Card

CD000085A

1

Warranty CD000260A

1

Spare 3 A fuse HR000063

4 Mounting screw HR000061

NS003101 Optional longer length interconnection cable for radar scanner - order separately

Quantity Item Part name Part No

1

Interconnection

cable for the

radar scanner

NS003101 length

65.5 ft (20 m)

NS00481X cable for 8000i installation only - order separately

Quantity Item Part name Part no.

1

Network cable

for 8000i

installation ONLY

NS004810 length

1.6 ft (0.5 m)

NS004811 length

6.5 ft (2 m)

NS004812 length

16.4 ft (5 m)

NS004813 length

32.8 ft (10 m)

NS003107 cable for 6000i and 6100i installations only - supplied with 6000i and 6100i system

Quantity Item Part name Part No

1

Radar

communications

cable for 6000i

and 6100i

installations

ONLY

NS003107

12 Northstar 2 kW Radar Installation Manual

NS003108 Optional extension cable for 6000i and 6100i installations only - order separately

Quantity Item Part name Part no.

1

Radar

communications

extension cable

for 6000i and

6100i installation

ONLY.

NS003108

Northstar 2 kW Radar Installation Manual 13

3 Install the radar

A radar unit should only be installed by a qualified marine technician, as potentially lethal high

voltage is present along with heavy rotating parts. There is a transmit interlock that prevents radar

transmissions if the scanner is not rotating. However, a high voltage remains for a period of time after

the system is turned off. If you are not familiar with this type of electronics, consult with a trained

service or installation technician before attempting to service any part of the equipment.

Installation includes

 mechanical mounting

 electrical wiring

 configuring the 6000i or 6100i system or 8000i system to work with the radar

 adjusting the radar for proper performance.

Don't take any shortcuts, and follow these instructions carefully.

NOTE: For the radar overlay to function properly on the chart screen, you must correctly install and

calibrate a separate heading sensor. Without the heading sensor, you cannot overlay the chart. A 10

Hz heading output rate is required for best radar/chart overlay performance.

This section explains how to:

 choose the correct location for the scanner

 install the scanner on a power boat or a yacht

 choose the correct location for the radar processor

 install the radar processor

Read the important warning and safety information in the Preface before you install the radar.

3.1 Choose the scanner location

The radar's ability to detect targets depends greatly on the position of its scanner. The ideal location

for the scanner is high above the vessel's keel line where there aren't any obstacles.

The higher the installation position, the longer the radar ranging distance, but the minimum range

that the radar can detect targets increases the higher that the radar is mounted.

Also see the sections on installing the scanner on a power boat or yacht.

When you're deciding on the location, consider the following:

 the length of the interconnection cable supplied with your radar is usually sufficient. If you

think you'll need a longer cable, consult your Northstar dealer before installation, because a

longer cable may reduce the performance of the radar.

 if the roof of the wheelhouse is the highest existing location, consider installing a radar mast

or a pedestal on which you can mount the scanner. You may also need to construct a

working platform for your own safety during installation and servicing work.

 if you mount the scanner on a pedestal or base, ensure that rain and sea spray can drain

away from it rapidly.

 if you locate the scanner on the mast, position it on the forward side so that there is a clear

view to the front of the vessel.

 the scanner is usually installed parallel to line of the keel

 ensure that the location site provides the scanner with a clear view of the front of the vessel.

14 Northstar 2 kW Radar Installation Manual

DON'T DO THIS!

 DON'T install the scanner too high up, where its weight will alter the stability of the vessel

and cause degradation of the radar picture over short ranges (see "How to find the

optimum height for the scanner").

 DON'T install the scanner close to lamps or exhaust outlets. The heat emissions may cause

the equipment to breakdown and soot and smoke will degrade the performance of the

radar.

 DON'T install the scanner close to the antennas of other equipment such as direction

finders, VHF antennas, GPS equipment and so on, because it may cause interference.

 DON'T install the scanner where a large obstruction (such as an exhaust stack) is at the same

level as the beam, because the obstruction is likely to generate false echoes and/or shadow

zones.

 DON'T install the scanner where it will be subjected to strong vibrations (such as a derrick

post) because these vibrations will degrade the performance of the radar.

 DON'T install an open array close to halyards or flags because the wind could wrap these

around the scanner and jam it.

DON'T install the scanner inside of the recommended compass safe distances of any navigation instruments such

as the magnetic compass and the chronometer. The compass safe distances are as follows:

2 kW radar STD 2.3 ft (0.7 m)

STEER 1.6 ft (0.5 m)

4 kW radar STD 6.5 ft (2.0 m)

STEER 5 ft (1.5 m)

6 kW radar STD 7.5 ft (2.3 m)

STEER 5.7 ft (1.75 m)

10 kW radar STD 7.9 ft (2.4 m)

STEER 6 ft (1.8 m)

25 kW radar STD 7.9 ft (2.4 m)

STEER 6 ft (1.8 m)

3.1.1 Power boat installations

Normally, you should install the scanner horizontally, to produce an equal sweep around the power

boat:

Northstar 2 kW Radar Installation Manual 15

However, when the power boat is traveling at high speed, the bow rises up out of the water and if the

elevation angle (trim) of the bow is raised up so that it equals, or exceeds, 50% of the vertical beam

width of the radar, this can cause two problems:

 ahead of the power boat, the beam is projected too high to sweep the water surface

effectively. Targets can be missed completely or appear at a very poor resolution on the

display screen.

 astern of the power boat, the beam is projected too low and is concentrated over a small

area of water so that sea clutter becomes a problem on the display screen.

In this case, you're recommended to install the scanner so that is tilted down at the front, at an angle

that will produce an almost horizontal sweep when the power boat is running at speed.

3.1.2 Yacht installations

Normally you should install the scanner horizontally, to produce an equal sweep around the yacht.

However, a yacht heels over to the lee side, and when the heel angle exceeds 50% of the vertical beam

width of the radar, this can cause two problems:

 on the windward side of the yacht, the beam is projected too high to sweep the water

surface effectively. Targets can be missed completely or appear at very poor resolution on

the display unit.

 on the lee side of the yacht, the beam is projected too low and is concentrated over a small

area of water so that sea clutter becomes a problem on the display unit.

In this case, you're recommended to install the scanner on a gimbal mounting so that it can operate

effectively in a heavy swell or when the yacht is heeled over.

16 Northstar 2 kW Radar Installation Manual

3.2 How to find the optimum height for the scanner

The optimum height for the scanner is as close as possible to the A-B line for best performance.

How to find the A-B Line:

The vertical extent of the radar beam is 2θ°, so most of the radar beam is concentrated within this

angle, meaning that outside of this angle the radar beam will be very weak.

Scanner model θ° value (half the -3 dB beam width)

2 kW 15

4 kW 12.5

6 kW 10

10 kW 10

25 kW 10

An example of an A-B Line is shown in the picture. If you install the scanner below the A-B line, the

scanner will be too low. It will be difficult to acquire distant targets and the superstructure will be

more likely to impede the passage of the beam and generate false echoes. If the scanner is installed

too high above the A-B line, the beam will miss close targets and increase sea clutter return.

You can find the A-B line for any vessel as follows:

1. Using a drawing of the vessel, lay a rule along the line of the main deck and continue this

forwards as a dashed line extending beyond the bow.

2. Using a protractor, measure the θ° value (for your scanner model) below the dashed line at

the bow and draw in a new line along this angle.

3. Extend the new line back beyond the stern of the vessel. This is the A-B line.

3.3 How to find the maximum detection range

Propagation of the radar beam can vary, depending on the properties of the air through which it's

traveling. Under normal conditions, the distance that the radar beam travels is approximately 10%

further than the distance to the optical horizon.

You can calculate the theoretical distance traveled by the radar beam using the following formula:

D = 2.23 (√h1 + √h2)

where:

Northstar 2 kW Radar Installation Manual 17

 D is distance traveled by the radar beam

 h1 is the height above sea level of the scanner

 h2 is the height above sea level of a target

An example is shown below:

In this example, the scanner is installed on the vessel at a height of 10 ft (3 m) above sea level (h1).

Island A is 33 ft (10 m) high (h2) and for comparison, Island B is 16.4 ft (5 m) high (h2). Both islands are

at a distance (D) of 10 nautical miles from the vessel.

Calculations using the formula show that, at this distance, the radar can only detect objects that are

more than 25 ft (7.6 m) high, which means that Island A is shown on the radar but Island B is not

shown.

Remember that:

 the maximum detection range of the radar is limited by the curvature of the Earth's surface

under normal conditions of wave propagation.

 bad weather conditions can reduce the maximum detection range

3.4 How to reduce false echoes and shadow zones

False echoes can be produced on the radar display if the scanner is installed too close to an object on

the vessel's superstructure. This object can block the radar beam and reflect it back, generating the

false echoes and shadow zones.

If you're having problems with false echoes and/or shadow zones, check if it's possible to re-install the

scanner at a higher location where the radar beam will be clear of any obstructions.

If not, try relocating the scanner away from the central keel line of the vessel to the starboard side.

This will move any shadows to the port side, maximize the radar view of your give way sector, and

ensure a clear view of the area around the vessel at the bow.

Use the following formula to calculate the distance that you'll need to move the scanner:

Ls = 0.4R + D/2 (when R is less than 49 ft [15 m])

Ls = 0.025R + D/2 (When R is greater than or equal to 49 ft [15 m])

where:

Ls = distance to be moved from the keel line

D = diameter of the obstacle

R = distance between the antenna and the obstacle

18 Northstar 2 kW Radar Installation Manual

3.5 2 kW scanner dimensions

Before starting the installation, use the drilling template to identify the:

 cable inlet

 drill holes

 front and rear of the radome

 location of the drain hole (ensure that your chosen location allows the drain hole to empty).

The 2 kW scanner dimensions are shown:

3.6 Install a scanner on a trestle

Depending on your chosen location for the scanner, it may be easier to install the scanner if you

fabricate a trestle (or radar mast) on which you can mount the scanner.

The trestle must be sturdy and secure, and capable of supporting the scanner in all weather

conditions.

You are recommended to install the base of the trestle parallel to the water surface.

Northstar 2 kW Radar Installation Manual 19

Orient the trestle so that the cable inlet on the scanner will face the stern, and so that the scanner can

be mounted at the correct angle (as discussed in the "Power boat installation" section).

Make sure that the edges of the trestle won't trap water.

3.7 Install the 2 kW scanner unit

IMPORTANT: Remember that you must screw the bolts into place from the underside of the location

site, because the shape of the dome prevents you from installing the bolts from the topside. Ensure

that you can access the underside of the location site

before

drilling.

Find the paper installation template and tape it securely to the chosen location site. Before drilling,

check that

 the location site is not more than 0.6" (15 mm) thick.

 you have oriented the template correctly so that the front of the scanner unit will face the

front of the vessel.

 the location site allows the drain hole to empty.

Drill the four holes where shown to a maximum depth of 0.6" (15 mm) plus the drain hole . Remove

the template then position a rubber washer over each drill hole. Check that the hole in the rubber

washer is aligned with the drill hole.

Position the scanner carefully over the rubber washers so that the bolt holes on the scanner are

aligned with the holes of the rubber washers and the drill holes.

Place a spring washer then a plain washer onto each bolt, as shown. Screw each bolt into each drill

hole from the underside of the location site, and tighten securely with a 5.31" (135 mm) torque

wrench.

NOTE: Use the bolts supplied as these are hardened stainless steel and the correct length.

20 Northstar 2 kW Radar Installation Manual

3.8 Install the radar processor

Install the radar processor in a dry location away from spray, rain, drips, and condensation.

The location site must allow you to easily connect the radar processor to the ship's ground, the

interconnection cable, the power cable, and the 6000i and 6100i radar communications cable or the

8000i network cable. Check that these cables and the ship's ground can easily reach the radar

processor BEFORE you drill.

The radar processor dimensions are shown on the drilling template. Follow the instructions on the

drilling template to install the radar processor.

Northstar 2 kW Radar Installation Manual 21

4 Wire the radar system

Always install a separate circuit breaker or separate fuse for the radar system circuit.

4.1 Wiring guidelines

Most installation problems are caused by shortcuts taken with system cables. When wiring the radar:

 DON'T make sharp bends in the cables.

 DON'T run cables in a way that allows water to flow down into the connectors.

but

 DO make drip and service loops.

 DO use cable ties to keep the cables tidy and secure.

 DO seal and protect all wiring connections if cables are shortened, lengthened, or re-

terminated.

 DO leave room to easily access, install and remove cables.

4.2 Connect the 2 kW interconnection cable (NS003101) to the scanner

If you have the NS004790R standard 2 kW radar system, the scanner is supplied with the 49 ft (15 m)

interconnection cable (NS003100) already connected and you can ignore this section.

If you have the NS004790M alternative radar system and have ordered the longer 65.5 ft (20 m)

interconnection cable (NS003101), follow the guidelines in this section to connect the two items.

22 Northstar 2 kW Radar Installation Manual

Unscrew and remove the cover of the scanner, lifting it vertically to avoid bumping it against the

antenna.

Carefully lift the main unit and stand it upright in the slot on the scanner casing:

Remove the shield cover from the underside of the main unit to expose the J connector locations and

ground terminal location.

The broken line shows the route for the interconnection cable.

Northstar 2 kW Radar Installation Manual 23

Identify the connector ends B, C, and D on the 2 kW interconnection cable (NS003101). Connector D is

an Earthing strap.

Place the locking nut, gasket A and gasket B over the end of the interconnection cable in the order

shown, then push the interconnection cable through the cable entry point into the radome. (Ensure

that you push through sufficient cable to easily connect the J connectors.)

At the cable entry point, take care that the grooves in gaskets A and B are opposite each other (see the

figure). Tighten the locking nuts to hold the interconnection cable firmly in place and to provide a

waterproof seal.

Place the internal locking nut over the end of the interconnection cable, then attach connectors B and

C to the J connectors (as shown in the figure).

The broken line shows the route for the interconnection cable.

Attach connector D to one of the screws close by to provide an Earth (as shown in the figure).

24 Northstar 2 kW Radar Installation Manual

The wiring details for the connector ends (B, C, and D) are as follows:

2 kW interconnection cable (NS003101) connector ends

Pin Color AWG size B C D

1 Green (big) #12 1

2 Yellow (big) #12 2

3 Green (thin) #24 7

4 Clear Coax signal #24 4

5 Drain wire for 4 #24 5

6 Drain wire for 7 #24 3

7 Black Coax signal #24 2

8 White #24 6

9 Yellow #24 1

10 White (big) #12 3

Shell Braid shield

X

Northstar 2 kW Radar Installation Manual 25

4.3 Run the 2 kW interconnection cable (NS003100/NS003101) to the

radar processor

Run the 2 kW interconnection cable (NS003100/NS003101) from the scanner to the radar processor.

Push the round connector (A) of the 2 kW interconnection cable into the scanner connection on the

radar processor and tighten the locking nut.

The interconnection cable pin details are provided here for information, in case the connector needs

to be removed to feed the cable, or in case the cable needs to be shortened.

The front view of the 2 kW interconnection cable is shown above.

2 kW interconnection cable pin details

Pin Color Signal name AWG size

1 Green (big) Power #12

2 Yellow (big) Power GND #12

3 Green (thin) Pulse width #24

4 Clear Coax signal Video #24

5 Drain wire for 4 Video GND #24

6 Drain wire for 7 Trig GND #24

7 Black Coax signal Trig/STC #24

8 White BZ Tune to

scanner

#24

9 Yellow Tune from

scanner

#24

10 White (big) No connection #12

Shell Braid shield

26 Northstar 2 kW Radar Installation Manual

4.4 2 kW radar processor connections

There are four interface connectors on the rear of the 2 kW radar processor, plus a Chassis Earth.

You can connect the radar processor to either the Northstar 6000i or 6100i OR to the Northstar 8000i,

but not to both simultaneously.

2 kW radar processor interface connectors

Connector name Connector function Connects to...

Network Ethernet communications

for the 8000i

8000i network, using the 8000i

network cable (NS00481X)

Power (+ve and -ve) Power input Ship's power 12 V DC ONLY (using

the power cable)

NMEA / Comms Data communications (for

the 6000i and 6100i systems

only)

Remote power control, relay

and ignition (for the 6000i,

6100i, and 8000i)

NMEA communications for

compass (for the 8000i

only).

6000i or 6100i display unit, using

radar communications cable

(NS003107)

6000i, 6100i, or 8000i remote

power signals, relay or ignition;

cable not supplied

8000i NMEA compliant compass;

cable not supplied

Scanner Scanner communications Scanner, using the

interconnection cable (NS003102

or NS003103)

Chassis earth Grounding point Vessel's Ground using ground

wire

Northstar 2 kW Radar Installation Manual 27

4.5 Connect the 2 kW radar processor to a 6000i or 6100i display

The following diagram shows the recommended method for connecting a radar processor to a 6000i

or 6100i display unit:

28 Northstar 2 kW Radar Installation Manual

Item Function

A Junction box

B To NMEA Device 1

C To NMEA Device 2

D To Smartcraft

E Remote power

F Circuit breaker/fuse box

G Optional radar communications extension cable (NS003108)

H Vessel's Ground

I NTSC Video Input

J Fuse (7A)

K GPS antenna

L Power

M NMEA

N Ethernet

0 AUX

P VGA (out)

4.5.1 Connect the radar communications cable (NS003107) to the junction box

The free ends of the radar communications cable (NS003107) must be terminated in a junction box

(see the figure in the previous section). The junction box is not supplied.

The communications cable has a 0.41" (10.5 mm) diameter. The junction box must be waterproof and

large enough to contain a 20 way strip connector.

All cable entry points should use suitable grommets or glands to ensure that waterproofing is

maintained.

The table shows the wiring and pin details of the radar communications cable. The naming

convention for the bi-colored wires is primary color/stripe; for example, White/Orange refers to a

white colored wire with an orange stripe.

If the radar processor is connected through the 12-pin NMEA/Comms connector on the radar communications

cable (NS003107), then all of the NMEA 2 free end signals and grounds must be NO CONNECT in the junction box.

If a SmartCraft device is connected through the 8 pin SmartCraft connector on the radar communications cable

(NS003107), then all the RS-232 free end signals and grounds should be NO CONNECT in the junction box.

NMEA devices must be connected to an unused NMEA port on the connector strip.

The remote power signal configuration is explained in "Configure the remote power control for a

6000i or 6100i (common power source)" and "Configure the remote power control for a 6000i or 6100i

(different power sources)".

Northstar 2 kW Radar Installation Manual 29

Wire function Free end

Connector 1

6000i/6100i NMEA

Connector 2

NMEA/Comms

Connector 3

Smartcraft

Pin Color Pin Color Pin Color

NMEA 1 IN A Brown 3 Brown

NMEA 1 IN B Blue 1 Blue

NMEA 1 IN GROUND White/Blue 4 White/Blue

NMEA 1 OUT A Violet 12 Violet

NMEA 1 OUT B Gray 7 Gray

NMEA 1 OUT GROUND Blue/White 8 Blue/White

NMEA 2 IN A White/Brown 6* White/Brown 1 Green

NMEA 2 IN B Brown/White 2* Brown/White 2 Red

NMEA 2 IN GROUND White 5* White

NMEA 2 OUT A Yellow 15* Yellow 7 Orange

NMEA 2 OUT B Orange 11* Orange 8 Blue

NMEA 2 OUT GROUND Black 10 Black 12 Yellow

RS-232 GROUND Tan 17* Tan 1 White

RS-232 RX Green 16* Green 3 Green

RS-232 TX Red 18* Red 8 Red

REMOTE SAVE Orange/White 13 Orange/White

6000i or 6100i REMOTE

POWER OUT

Pink 14 Pink

SHIELD Drain 9 Drain 9 Drain

RADAR REMOTE POWER

IN

White/Orange 10 Brown

* See cautions on previous page.

The end view of the three connectors is shown:

Connector 1 - 6100i NMEA pin assignments

30 Northstar 2 kW Radar Installation Manual

Connector 2 - Radar NMEA/Communications pin assignments

Connector 3 - SmartCraft pin assignments

4.5.2 Configure the remote power control for a 6000i or 6100i (common power

source)

IMPORTANT: This remote power control option works correctly only when the 6000i or 6100i and the

radar processor share the same power earth and are located 16.5 ft (5 m) or less apart.

A simplified diagram of the power control circuit for the radar processor and 6000i or 6100i is shown:

Northstar 2 kW Radar Installation Manual 31

where:

Key Component

A Radar processor

B NMEA/Comms port

C NMEA port

D Link in the junction box

E Fuse/Breaker board

F Fuse

G Battery

The radar processor has two remote power inputs with opposite active states which are OR’ed

together.

Pin 10 input (active low) is used by the 6000i or 6100i systems and Pin 12 input (active high) is used by

the 8000i system.

Pin 12 is tied to ground through the NS003107 cable, to allow control through Pin 10.

The radar processor has an active low input with a pullup resistor to Vbatt, to complement the open

collector output configuration of the 6000i or 6100i systems.

There is a choice of two different modes for powering the radar ON/OFF:

 If you want the radar to power ON automatically when the radar processor is powered ON,

connect the White/Orange wire to a NMEA ground in the junction box.

 If you want the radar to power ON automatically whenever the 6000i or 6100i is ON,

program the Honk Output as REMOTE PWR in the 6000i or 6100i. This option is contained in

the Alarms menu. (To access the Alarms menu, repeatedly press the * key until the Alarms

menu is visible.) You must also connect the Pink wire to the White/Orange wire in the

junction box.

32 Northstar 2 kW Radar Installation Manual

4.5.3 Configure the remote power control for a 6000i or 6100i (different power

sources)

When the 6000i or 6100i and the radar processor have isolated power supplies, or are located more

than 16.5 ft (5 meters) apart, there is a choice of two different modes for powering the radar ON/OFF:

 If you want the radar to power ON automatically whenever the 6000i or 6100i is ON, use the

following power ON/OFF configuration:

where:

Key Component

A Radar processor

B Main PCB

C NMEA/Comms port

E Relay with (usually) closed contact

F Fuse

G NMEA port

H Power port

I Fuse /Breaker board

J and K Battery

 If you want the radar to power ON automatically when the radar processor is powered ON,

omit the relay and leave Pin 10 and 12 on Connector 1 (the NMEA/Comms connector) as No

Connect.

Northstar 2 kW Radar Installation Manual 33

4.6 Connect the 2 kW radar processor to an 8000i display

You are recommended to use the following configuration when connecting the radar processor to an

8000i display, where:

 A is the (optional) NMEA Compass

 B is the Circuit breaker/Fuse box

 C is the vessel's Ground

Alternative 8000i system configurations are possible. For further information please refer to the

Northstar 8000i System installation documentation.

4.6.1 Configure the remote power control for an 8000i

NOTE: At the time of printing this manual, the 8000i does not support remote power control of

network modules. This feature will be added in future release.

The radar processor supports this feature through Pin 12 on the NMEA/Comms port.

If you want the radar processor to power ON automatically whenever power is applied, leave Pin 10

and Pin 12 of the NMEA/Comms connector as No Connect.

34 Northstar 2 kW Radar Installation Manual

Alternatively, if you want the radar to be powered ON only when vessel's engines are running, Pin 12

(active high) must be driven by the vessel's ignition key.

4.6.2 Connect an 8000i network cable (NS00481X)

Connect the 8000i network cable (NS00481X) ONLY if you're connecting the radar system to a

Northstar 8000i system.

Push one end of the 8000i network cable into the NETWORK connector on the radar processor. Plug

the other end into the network connector on the network linker.

If the NMEA/COMMS connector on the radar processor is not used, leave the sealing cap in place.

4.6.3 Connect the optional NMEA compass for an 8000i

The NMEA compass may be directly connected to the radar processor through the NMEA/COMMS

port.

Compass data is appended to the radar data by the radar processor and then broadcast over the

network to the 8000i display and other devices. This enables more precise radar chart overlay and

target tracking (MARPA) than is possible by compass connection to other points in the network.

The NMEA compass cable is not supplied but the pinout of the NMEA/COMMS port is shown for

information:

Pin Function

3 NMEA Tx+ data

4 NMEA Ground

5 NMEA Rx- data

6 NMEA Rx+ data

9 Shield

11 12 V Compass power (100 mA max)

It is recommended that a single compass data source is used for the 8000i network. To achieve this,

the NMEA compass data must be fed to other devices on the 8000i network using the spare data

channels from the compass (if available) or the NMEA data splitter. See the "Northstar 8000i System

Setup Manual" for more information.

4.3.6.1

Configure the optional NMEA compass

The compass must be NMEA compliant and configured as follows:

 10 Hz update rate

 4800 baud

The compass must be able to supply the NMEA 0183 HDT, HDM, and HTG heading sentences (all other

sentence types will be ignored).

Ideally, the compass should draw less than 100 mA. (If this is not possible, power the compass using a

separate 12 V source.)

4.7 Connect the power cable

The power cable to the radar processor is NOT supplied for either the 6000i or 6100i system or the

8000i system. Power must be supplied through a fuse/breaker element located at the power source

end of the power cable.

Check the system specifications section for the recommended DC input voltage.

The power cable and fuse requirements are shown in the table.

Northstar 2 kW Radar Installation Manual 35

Scanner

Fuse/Circuit breaker

rating

Maximum length of

power cable Power cable size

2 kW 5 A 33 ft (10 m) 14 AWG

4 kW 10 A 26 ft (8 m) 14 AWG

6 kW 10 A 26 ft (8 m) 14 AWG

10 kW 15 A 26 ft (8 m) 12 AWG

25 kW 15 A 26 ft (8 m) 12 AWG

Typically the fuse /breaker would be located in a fuse/breaker box with the fuses/breakers for other

devices.

The radar processor must have it's own exclusive fuse/circuit breaker. The fuse/circuit breaker should

be labeled appropriately.

To connect the power cable to the radar processor, you must:

1. Strip away approximately 0.4" (10 mm) of the shielding at the end of the power cable, and

then identify the positive wire and the negative wire.

2. Unscrew the small holding screw from the positive power cable input connector (identified

by the + sign) on the radar processor.

3. Insert the bare ends of the positive wire into the positive power cable input connector to

make a connection.

4. Tighten the small holding screw to hold the positive wire in place. Gently pull on the

positive wire to ensure that it is secured.

5. Repeat this process to connect the negative wire to the negative power cable input

connector (identified by the – sign).

4.8 Connect the ground wire

The radar processor has a Chassis Earth connection stud located on the far right hand side of the unit.

The Chassis Earth is DC isolated from power (–ve) to eliminate the risk of galvanic corrosion.

If you are installing the radar processor on a vessel with a metal hull, connect the radar processor

Chassis Earth to the hull at the closest possible location, using 12 AWG wire (or thicker):

The eyelets must be crimped or soldered at both locations (A) and the method of connection to the

vessel's hull is shown at (B).

If you are installing the radar processor on a vessel with a non-metallic hull, connect the radar

processor Chassis Earth to the vessel's ground network. If a vessel's ground network is not available,

leave the radar processor Chassis Earth unconnected.

36 Northstar 2 kW Radar Installation Manual

4.9 Radar system checklist

When you've finished the wiring, visually check that:

 each component is securely mounted and able to withstand rough sea conditions.

 all the cables are correctly installed.

 any cable shield mesh is correctly configured.

 all cable entry points are watertight.

 water can't leak into the scanner.

Now you're ready to set up the radar with the Northstar system that you're using.

Northstar 2 kW Radar Installation Manual 37

5 Set up the radar with a Northstar system

Setting up the radar with:

 the Northstar 6000i or 6100i system is described in the following section.

 the Northstar 8000i is described in the Northstar 8000i System installation documentation

for your display processor.

 a different Northstar system is described in that system's documentation.

38 Northstar 2 kW Radar Installation Manual

6 Set up the radar with the Northstar 6000i or 6100i

6.1 Turn the radar on and off

6.1.1 Before you turn on the radar for the first time

To extend magnetron lifetime, you're recommended to leave the radar in Standby mode for 30

minutes when activating the radar for the VERY FIRST time. (When the radar is in Standby mode, it's

NOT transmitting but it is powered up – this allows the magnetron heater to stabilize). Then, after 30

minutes, press the RADAR ON key to test and align.

If you're using the radar with the 6000i or 6100i, press CLR (NOT ENT) the VERY FIRST time when the

radar transmit activation message appears. After this first time, you can press ENT anytime this screen

appears. If the radar has not already warmed up, the radar countdown timer will appear – typically 90

seconds on lower powered radars – then the radar will automatically start transmitting.

6.1.2 Turn the radar on

IMPORTANT: Do not use the navigator's Demo Mode when the radar is switched on.

Several menu buttons on the radar display must be activated before the adjustment they control can

be changed. Here's how they work:

 any button displayed in red is already active. Press it, or use the keypad or cursor controls to

adjust the value.

 any button displayed in blue is inactive. Press it once to activate it.

The radar normally provides a good picture when used in its automatic modes described in "Configure

the navigator". In many cases, the picture can be improved by using the Range Rider mode.

Before turning ON the radar for the first time to set it up, check that the vessel's DC primary power

supply is within the recommended range of 10.8 V to 16 V for a 12 V system, or 21.6 V to 32 V for a 24 V

system.

Check that everyone is outside the radiation hazard area and any rotation hazard area, then turn ON

the radar as follows:

1. Turn ON the radar processor by installing the fuse or by turning ON the circuit breaker to the

radar system

2. Turn ON the navigator (display) unit. The power switch is on the front panel.

6.1.3 Turn the radar off

Be sure to turn the scanner OFF before servicing the scanner or working in the vicinity of a rotating

open array.

Turn the radar OFF by removing the fuse or by switching OFF the radar's dedicated circuit breaker.

Depending on the power switch configuration, the radar may automatically turn OFF when the

navigator (display) unit is turned OFF.

Northstar 2 kW Radar Installation Manual 39

6.2 Configure the navigator communications

IMPORTANT: If you are going to operate the radar

without

a heading sensor, ignore this section and

set up the radar as described in "Disable the header sensor input".

To enable the radar to communicate with the navigator, set up the radar option on the navigator's

PORT 2 SETUP screen as follows:

1. Press STAR several times to display the OPTIONS/SERVICE INFO screen.

2. Press Port Setup Options.

3. Press Port 2 Setup and use the Cursor Pad to select the Output Format line.

4. Press Edit, then use the Cursor Pad to select Radar.

5. Press Enter. The change is made immediately and you do not need to restart the

navigator.

6.3 Heading sensor requirements

The heading sensor can be a stand-alone unit or may be integrated into an auto-pilot system,

provided that it supplies the NMEA 0183 HDG, HDT, OSD, HCC, HCD or HDM heading sentences to the

navigator. It must output data at a 10Hz update rate.

If the heading sensor requires sea trial calibration, perform the manufacturer's recommended

calibration procedure before you calibrate the radar heading.

Heading calibration should be performed during initial setup, annually, and after any major structural

changes to the vessel.

The Northstar 6000i and 6100i accepts the following standard NMEA 0183 sentences from a heading

sensor (such as the Northstar HS02 or HS03 Heading Sensor) to obtain the following heading

information: HDG, HDT, OSD, HCC, HCD, and HDM.

For sensor installation and calibration instructions, see the sensor manufacturer's Installation Manual.

In addition, the navigator must be calibrated to the heading sensor (see the section "Set the heading

calibration" in this manual and, for a 6000i or 6100i system installation also see "GM6KIM Rev D (6000i

Installation Manual)" or the new "MN000320A Northstar 6000i & 6100i Installation Manual" or, for an

8100i system installation, see "Northstar 8000i System Setup Manual".

6.3.1 Disable the heading sensor input

The heading sensor is configured by default when the navigator is configured for radar.

If a heading sensor is NOT installed and connected, you must remove its configuration as follows:

1. Turn on the navigator and wait for it to complete its power-up sequence.

2. Press RADAR to display the radar screen on the 6000i or 6100i.

3. The system asks if you want to turn on the scanner. Press Enter to turn it on.

4. Press Page 2, Page 3, Page 4, and Install... to show the installation screen.

5. Press Hdg Sensor Installed to change its displayed status to No.

6. Press STAR to display the alarm screen, then press Clear Alarm. This clears the

heading sensor alarm.

40 Northstar 2 kW Radar Installation Manual

6.4 Calibrating the radar

You must calibrate the newly installed radar by adjusting the trigger delay and the heading

calibration.

To evaluate medium and short range returns, you are recommended to perform the calibration at sea

in a normal operating environment and under fair weather conditions. There should be an area of at

least 3 nautical miles forward of the vessel, containing known targets including the coastline. A wave

height of about one to two feet (half a meter) to create some sea clutter, is ideal. Do not perform the

calibration in an enclosed or busy area such as a boatyard.

Attempts to tune and calibrate under less than recommended conditions may lead to substandard

performance. A sea trial that allows the selection and use of all the ranges is highly desirable.

6.4.1 Prepare for calibration

Prepare for calibration as follows:

1. Press RADAR to display the radar screen on the 6000i or 6100i.

2. The unit may ask if you want to turn on the scanner. If it does, turn it on. You should see

range rings displayed on the screen or the scanner warm-up countdown followed by a

message saying "Radar is OFF". If nothing appears, the radar control box is not powered up

or not properly interfaced to the navigator. Check the power wiring, interface wiring, and

navigator communications configuration.

3. Press Page 2, Page 3, Page 4, then Restore... .

4. Press Restore factory settings. (A new Northstar 6000i or 6100i is shipped with

standard factory settings that are appropriate for basic operation.)

5. Press Return.

6.4.2 Tune the radar

The Northstar radar uses a fully automatic tuning procedure that continuously checks for optimum

adjustment during operation. Northstar recommends using auto tuning mode for normal operation.

For special situations requiring manual tuning, see the section on "Manual Tuning Mode".

Tune the radar so that the radar receiver frequency matches the transmitter frequency.

For normal operation of a Northstar radar, you're recommended to set the tuning mode to Auto.

To tune the unit manually see the section "Manual tuning procedure for the 6000i or 6100i system".

To check the tuning mode or change it to Auto:

1. Press RADAR to display the radar screen on the 6000i or 6100i.

2. Press Page 2, Page 3, Page 4, then Install... and then Tune... .

3. If necessary, press Tune mode repeatedly until it displays Auto.

6.4.3 Set the STC Curve

The STC (Sensitivity Time Control) attempts to compensate for the high strength of nearby echoes

compared with the very much weaker echoes from distant objects. It lowers the receiver gain when

the pulse is transmitted, and raises the gain as echoes return from longer distances. Ideally, the result

is that all echoes are displayed with strengths proportional to the reflectivity of the objects. A graph

showing the receiver gain plotted against time is called the STC curve. You can select different curve

shapes, if required for special applications.

The height of the scanner affects the STC curve shape needed for the sea control to effectively reduce

sea clutter. The STC curve shape corresponds to the scanner's height (in meters) above the waterline;

for example, if the scanner is 20 ft (6 m) above the waterline, select STC curve 6.

Curve 4 is the default, and represents a scanner 13 ft (4 m) above the waterline.

To select a different curve:

1. Press RADAR to display the radar screen on the 6000i or 6100i.

Northstar 2 kW Radar Installation Manual 41

2. Press Page 2, Page 3, Page 4 then Install... and then Tune... .

3. Press STC Curve then use the keypad to enter a curve number from 0 to 8.

6.4.4 Set the trigger delay

There are two methods that you can use to set the trigger delay. The two methods should produce

very similar settings. Method 1 is easier to perform but Method 2 may produce more accurate results.

You can use either, or both, methods.

Set the trigger delay after you have restored the factory settings (see "Prepare for calibration") OR

manually turn off the Interference Rejection, Trails and Expand functions.

6.4.4.1

Method 1

Use this method when the vessel is in open water with few or no nearby echoes.

1. Display the main radar screen then press Page 2.

2. Press zoom IN several items to zoom in to the maximum magnification.

3. If necessary, press Mode to make it read Manual.

4. Press Rain Clutter, then press 0 twice to set the rain clutter value to zero.

5. Press Sea Clutter, then press 0 three times to set the sea clutter value to zero.

6. Press Gain, then press 1, 5, 0 to set the gain to 150. If you're using standard screen

colors, the display will show a green ring with a black center or solid green circle. If it

doesn't, try changing the gain value until you can see the green ring and black center

clearly. (If the gain is set too high, the display may be saturated.)

7. Press Page 3, Page 4, and Install... .

8. Press Trigger Delay, then press 000 on the keypad to set the trigger delay to zero.

9. Increase the trigger delay by pressing the Cursor Pad to the right (or enter a larger number

on the keypad). The black circle will shrink as you increase the trigger delay. Set the trigger

delay so that the black center just disappears, with only one or two dots remaining in the

center of the display.

6.4.4.2

Method 2

Use this method when the vessel is about 50 to 100 yards (45 to 90 m) from a straight-walled jetty or

similar feature that produces a straight line echo on the display.

1. Adjust the gain setting until a reasonably good image of the jetty echo is displayed.

2. Adjust the Trigger Delay to make the jetty echo appear as a straight line on the display,

as shown:

6.4.5 Set the heading calibration (heading sensor installed)

The heading calibration rotates the radar image on the screen to line it up with the displayed chart

and the compass. Accurate heading calibration is particularly important when the radar image is

overlain onto the chart.

42 Northstar 2 kW Radar Installation Manual

IMPORTANT: Make sure the heading sensor is calibrated according to the manufacturer's

recommendations.

1. When performing a sea trial of the vessel, set a straight course for a solid object such as a

lighthouse, jetty or radar navigation marker that is at least 1 nautical mile distant as

referenced on the chart.

2. Press CHART to display the chart then press Overlay to show the radar echoes overlain

on the chart.

3. Set the chart rotation to North-Up by pressing Rotate several times until North-Up is

displayed.

4. Find a target at least 1 nautical mile distant that appears on both the chart and the radar

overlay. Do not choose a beach or a buoy as a target; instead, choose an obvious land

pattern or solid object with a fixed reference point such as a jetty, lighthouse, or pier.

5. Zoom in as necessary to place identifiable objects near the outer edge of the screen.

6. Press Control so that it displays Radar.

7. Press Page 2, Page 3, Page 4, and Install... .

8. Press Heading Calibrate then press the Cursor Pad left and right to rotate the

radar image so that the radar target matches its compass heading on the chart and lines up

on top of the position shown on the chart.

9. If possible, check targets in all quadrants to ensure accurate adjustment.

6.4.6 Set the heading calibration (heading sensor not installed)

The heading calibration rotates the radar image on the screen so that a target dead ahead

corresponds to a bearing of 0° on the screen.

1. Press RADAR so that the navigator displays radar only.

2. Find a target at least 1 nautical mile distant. Choose an obvious land target or solid object

with a fixed reference such as a jetty, light house or pier. Steer the vessel until the reference

target is directly head up then maintain this heading.

3. Zoom in as necessary to place the reference target near the outer edge of the screen.

4. Press Page 1, Page 2

5. Check that the chart rotation (Rotate button) is set to Hdg Up.

6. Press Page 2, Page 3, Page 4 and Install... .

7. Press Heading Calibrate then press the cursor pad left and right to rotate the radar

image so that the reference target is at 0° (vertical from the centre of the radar sweep).

6.5 Adjust the appearance settings

The Mode, Rain Clutter, Sea Clutter and Gain are usually set to automatic mode to obtain an excellent

image under most conditions and, by default, allow you to see any approaching weather rain cells for

maximum safety. However, these settings may need minor adjustments depending on the location of

the radar.

To access these controls, press Page 2 from the main radar screen.

The Mode key determines how the gain and clutter keys work. It has the following settings:

 Auto 1 and Auto 2 are for normal, open-water conditions. The two automatic modes

can be optimized for two different conditions.

 Harbor automatically optimizes the radar settings for use in a harbor. This is the default

setting.

 Range Rider is a Northstar exclusive feature recommended for use when manual

settings are required. You can make changes to the clutter and gain settings for different

Northstar 2 kW Radar Installation Manual 43

ranges, and the Range Rider will store these settings for each range. Then, when you select

a particular range again, the settings are already optimized.

 Manual is a fully manual function in which you will usually need to adjust the settings

manually each time you change the range.

Gain and Sea Clutter appearance settings are available in Auto1, Auto 2 and Harbor modes.

These can be accessed by pressing the Gain or Sea Clutter buttons while in Auto1, Auto 2 or Harbor

mode with Gain or Sea Clutter set to Auto.

The default appearance setting is 25 for both Gain and Sea Clutter for all ranges.

The appearance settings can be adjusted between 0 and 50. This represents a +/- 25 step offset away

from the nominal Auto mode setting. The value set will be applied only to the current range.

6.6 Restore all the factory settings

If you need to restore ALL of the radar settings (except trigger delay, heading calibration and whether

or not a heading sensor is installed) to their factory settings, do the following:

1. From the main radar page, press Page 1.

2. Press Restore... .

3. Press Restore factory settings to return the unit to its state when it was shipped

with the exception of the following:

 trigger delay

 heading calibration

 whether or not a heading sensor is installed

 parking calibration

This function is used before performing manual tuning (see Appendix B) or at any time it's necessary

to restore the unit to a known state.

6.6.1 Restore the factory appearance settings

Appearance settings and manual settings can be restored to values that normally produce a useful

picture as follows:

1. From the main radar page, press Page 1.

2. Press Restore... .

3. Press any or all of Restore Auto, Restore Harbor, Restore Range Rider, and

Restore Manual to return to the factory appearance settings.

This completes the installation calibration. Note that the heading correction may need to be adjusted

slightly after the gain is optimized to provide a better picture.

44 Northstar 2 kW Radar Installation Manual

7 Maintenance

Before doing any maintenance work, always ensure that the radar system is turned OFF at the main power source.

If a rectifier unit is used, turn OFF the power supply to this too. Remember that high voltages from the rectifier

unit are always present, even if the radar is not operating, and these can cause severe injury or death.

7.1 General maintenance

Proper maintenance of the radar system will keep it in good condition and minimize breakdowns.

Periodically:

 remove any dust, dirt, or sea salt from the external surfaces with a dry, lint-free cloth.

 check that the radar components are held securely in place and that the screws, nuts and

bolts have not worked loose. Tighten and re-apply marine paint where necessary to prevent

corrosion.

 check that all the radar cabling is not frayed, bent, or cut and that the radar system cable

connections are secure, tight and waterproof.

7.2 Scanner maintenance

Before working on the scanner, remove your watch and any magnetic cards, because the modulator circuit in the

magnetron emits a strong magnetic field that can badly affect such items.

 Remove any dust, dirt, or sea salt from the external surfaces, particularly the front side of the

scanner, with a lint-free cloth dampened with alcohol or water. Do NOT use petrol,

gasoline, benzene, thinner, or similar solvent to dampen the cloth as these cause

deterioration of the external surfaces.

 At least once every six months, apply grease (Mobilux 2 or equivalent) evenly to the

lubricating gears, with a brush or knife. More frequent application is desirable to maximize

the life of the lubricating gears.

 The drive motor brush has an expected life of 2,000 hours. Replace it when half of the

overall length has worn away. The drive motor carbon brush can be removed easily by

unclipping the two caps located on both sides of the bottom part of the drive motor.

 Clean any carbon powder off the drive motor commuter with a dry brush or, if this will not

remove it, use sand paper #250 to #400.

7.3 Other maintenance items

Re-set the heading calibration annually and after any major structural changes to the vessel.

Northstar 2 kW Radar Installation Manual 45

8 Troubleshoot the radar

This appendix gives information on fixing possible problems with the radar. Many problems are

caused by:

 faulty or loose contacts at switches and relay points

 poor adjustment of the radar (particularly inadequate tuning adjustment)

 poor maintenance (particularly of the cables)

You'll save yourself a considerable amount of time if you check these items before placing a call to

Northstar; plus, you may find the problem right away.

8.1 Technical support, service and repairs

Northstar products are manufactured and serviced by BNT Marine Electronics.

The product is covered by a warranty which is supplied as a separate document.

If you need technical support, or answers to other questions after you've followed the instructions in

this manual, you can:

 contact your Northstar distributor or

 see the inside back cover of the manual or

 visit www.northstarnav.com.

Before you make contact, be sure to have:

 the serial number of the hardware (usually shown on the faceplate of the unit).

When you describe the problem, be as complete and as accurate as possible.

8.2 Radar is not operating correctly

If the scanner is working but no image appears on the display:

 replace the receiver unit. (see the Service Manual)

If the display shows only noise:

 check that the tuning is adjusted correctly.

 check the magnetron and replace if necessary (see the Service Manual)

 check the modulator circuit and replace if necessary (see the Service Manual)

 check the receiver circuit and replace if necessary (see the Service Manual)

 check that the scanner and open array (if applicable) are fitted correctly

If radar reception is poor:

 check for physical damage to the cables (such as fraying) and for any loose connections

 check for water damage to the radiator or to the cables between the radar components

 check that the tuning is adjusted correctly

 check the magnetron and replace if necessary (see the Service Manual)

 check the modulator circuit and replace if necessary (see the Service Manual)

 check the receiver circuit and replace if necessary (see the Service Manual)

 check for interruptions in the pulse switching signal

46 Northstar 2 kW Radar Installation Manual

If an image appears on the display but the direction of the radar image is not stable:

 the direction standard signal (BZ) is being interrupted (see the Service Manual)

 check for water damage to the radiator or cables between the radar components.

8.3 If the scanner fails to turn

If the scanner fails to turn, it is possible that there has been a breakdown of either the motor unit

inside the scanner or the safety switch of the scanner unit.

Turn the power OFF and investigate as follows:

1. Visually check for, and remove, any external obstruction.

2. If there is no external obstruction, check that the remote power connections or relay in the

junction box are sound.

3. Check the motor fuse in the radar processor box.

4. Open the scanner dome or array and perform an internal inspection.

5. Check to make sure that nothing is interfering with the motor and gears, is binding, or

preventing the antenna from turning.

6. Check for any disconnected, pinched or broken wires.

7. Check for worn or broken motor brushes.

8. Verify that the scanner cable is correctly pinned, all wires are in the correct locations and the

connectors are correctly locked to the mating connectors on the modulator board.

9. Check the motor and the safety switch and replace any faulty component. (See the Service

Manual for information on replacing the motor or safety switch.)

10. Check the wiring of the interconnection cable between the scanner and the radar processor.

11. Checking these connections is especially important if the installer removed the connectors

for easy routing when installing the scanner cable.

8.4 How to reduce noise and interference

If other electronic equipment on the vessel is being affected by noise interference from the radar,

check that the radar is actually the source of the problem by switching it off, running the other

electronic equipment for a while to see if the noise interference has disappeared, and then switching

the radar on again.

If the radar is causing the noise interference, check that:

 the affected piece of equipment and/or the antenna is not located within the radar beam.

(See the section "Install the radar" for information about the optimum installation height

and the radar beam width)

 the cables supplied with the equipment have been installed correctly. In particular, check

for loose connections and loose or missing shield meshwork at the cable ends

 the covers of the scanner and radar processor box are securely screwed and/or fastened in

place, so that the internal shielding is effective

 each piece of radio equipment is grounded to the closest ground location, and that other

devices are grounded to the closest ground location on the hull

 the radar cabling has not been bundled with the VHF radio cabling and/or with the

direction finder cabling. The radar cabling must always be separate.

Northstar 2 kW Radar Installation Manual 47

8.5 Make sure the power is present and correctly wired

Check the in-line fuse.

Re-verify that the correct system voltage is being used for the radar processor box model and that the

power is properly wired. If the radar processor has incorrect power, the system may not initialize

properly or the radar processor may be damaged.

8.6 Confirm the equipment installed

1. Confirm the type of navigator used with the radar (6000i, etc).

 Serial number:___________________

 Software version:_________________

2. Confirm that the NMEA Port 2 interface option is set to RADAR.

3. Confirm the type of radar installed:

 2 kW dome

 4 kW dome

 6 kW open array

 10 kW open array

 25 kW open array

4. Make sure the voltage input and radar processor are correct for the system being installed, as

follows:

 2 kW - 12 V DC - Radar Processor NS004780

 4 kW - 12 or 24 V DC - Radar Processor NS004781

 6 kW - 12 or 24 V DC - Radar Processor NS004782

 10 kW - 12 or 24 V DC - Radar Processor NS004783

 25 kW - 24 V DC - Radar Processor NS004784.

8.7 Are Range Rings displayed?

Yes, range rings are displayed.

1. Confirm that the installation set up had been performed.

2. Verify that the array is turning. If it's a dome, with the power off, remove the dome cover

(weather permitting). Apply power to the system. After the warn-up countdown has

completed, and the transmit option is set to ON, verify that the array is turning.

3. If the antenna does not turn, skip to the section "If the scanner fails to turn".

No, range rings or range scale information are not displayed.

1. Verify that the serial data cable wiring is correct for the communications cable as shown in

the section "Connect the communications cable to the junction box".

48 Northstar 2 kW Radar Installation Manual

9 Manual tuning procedure for the 6000i or 6100i

system

NOTE: The following manual tuning procedure is provided only for possible situations where the

unit's automatic tuning does not perform well with a Northstar 6000i or 6100i system. At present,

Northstar is not aware of any such situation and recommends that automatic tuning be used, unless a

reason is found to use this manual procedure.

Begin by restoring all radar settings to their factory settings (except trigger delay, heading calibration

and whether or not a heading sensor is installed), as follows:

1. From the main radar page, press Page 1.

2. Press Restore... .

3. Press Restore factory settings to return the unit to its state when it was shipped

(with the exception of trigger delay, heading calibration and whether or not a heading

sensor is installed).

4. Press Return and Done to return to the main radar screen.

Next, set the rain clutter and sea clutter to 0 and the gain to 150 as follows:

1. From the main radar page, press Page 2.

2. If necessary, press Mode to make it read Manual.

3. Press Rain Clutter to activate the control.

4. If necessary, press Rain Clutter again to make it read Manual.

5. Press 0 twice on the keypad to set the rain clutter value to zero.

6. Press Sea Clutter.

7. Press 0 twice on the keypad to set the sea clutter value to zero.

8. Press Gain to activate the control.

9. If necessary, press Gain again to make it read Manual.

10. Press 1, 5, and 0 on the keypad to set the gain to 150.

11. Press Return and Done to return to the main radar screen.

Next, set the scale to 1/8 nautical miles as follows:

1. Press zoom IN several times to access the 1/8 nautical miles scale. (The current scale is

shown in the upper left corner of the screen, identified as "RNG").

2. From the main radar page, press Page 2, Page 3, Page 4, and Install... .

3. Press Tune... to display the tuning screen.

4. Press Tune Mode (repeatedly if necessary) to set it to Manual.

5. Set the rough tune value to 128 (if necessary) by selecting Tune Preset and typing 128

on the keypad.

6. Press Tune.

7. Adjust the tune preset value upwards by pressing the up arrow key on the cursor pad until

the quantity and strength of visible targets is maximized.

8. If the quantity and strength of targets does not increase, return to 128 by typing 128. Then

adjust the tune preset value upwards by pressing the down arrow key on the cursor pad

until the quantity and strength of visible targets is maximized.

Northstar 2 kW Radar Installation Manual 49

10 2 kW radar system specifications

2 kW scanner

DC input 10.8 V to 15.6 V DC (DC 12 V system ONLY)

Scanner type Radome

Scanner dimensions Depth: 17.7" (450 mm)

Height: 8.93 (227 mm)

Scanner weight 9.26 lbs (4.2 kg) ± 5%

Vibration Amplitude 0.1" (3 mm) (0 to 500 cpm)

0.29" (0.75 mm) (550 to 1500 cpm)

0.007" (0.2 mm) (1500 to 3000 cpm)

Waterproof IPX6

Plane of polarization Horizontal

Preheating time Minimum 90 seconds

Power consumption 25 W (maximum) at 12 V DC

Emission type P0N

FCC ID: CKEJMA1020

IC ID: 768381105A

R&TTE: DERA-RTTE-34/01-01

Peak power output 2 kW ±50% under any pulse conditions

Transmitter frequency 9445 ±30 MHz

Transmitter tube Magnetron NJRC M1537

Horizontal beam width 5.2º ± 10% (3 dB width)

Vertical beam width 30º ± 20% (3 dB width)

Side lobe level < -21 dB maximum (within ± 10°)

Rotation rate 27 rpm ±10%

Pulse length/PRF 0.08 μs +50/-25% (2250 Hz)

0.3 μs +50/-30% (1200 Hz)

0.8 μs ±25% (600 Hz)

See Pulse Width and Bandwidth Selector table (below).

Duplexer Microwave T-junction with diode limiter

Model NJRC NJS6947

Mixer MIC front-end

IF amplifier Center frequency 60 MHz ± 3 MHz

IF amplifier output 14 dB for -3.2 V into 50 ohms (typical)

IF band width 1 0 MHz ±3 MHz (0.08 μs)

3 MHz ±1 MHz (0.3 μs, 0.8 μs)

IF characteristic Linear

Gain Minimum 90 dB

Noise figure NJT1027 @ 7 dB (average) at front-end input

Temperature range +5ºF to +131ºF (-15ºC to +55ºC)

Relative humidity 95% at 95ºF (35ºC)

Relative wind velocity 118.11 ft (36.0 m)/sec (maximum 70 knots)

50 Northstar 2 kW Radar Installation Manual

2 kW Radar processor specifications

Radar system NS-RDR-1021MD

Processor model NS004780

Processor dimensions Width 5.6" (142 mm)

Height 2.2" (56 mm)

Length 7.9" (200 mm)

Processer weight 1.9 lbs (870 g)

Vibration EN60945

Waterproof No rating

Temperature range +5ºF to +131ºF (–15ºC to +55ºC)

Relative humidity 95% at 104ºF (+40ºC)

Power up time Approximately 35 seconds

DC input 10.8 to 36 V (DC 12/24/32 V system)*

Power consumption 3 W (when operating)

Leakage current <200 μA (when off, with a remote power input)

* Operation is limited to 12 V DC systems only due to the scanner voltage range.

Northstar 2 kW Radar Installation Manual

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