Furuno Marine RADAR FAR FR 2815 2825 User Manual

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TABLE OF CONTENTS

EQUIPMENT LISTS ............................................................................ iii

1. MOUNTING

1.1 Scanner Unit ....................................................................................................................1-1

1.2 Mounting the Display Unit ..............................................................................................1-5

1.3 Mounting the Separate Type Control Panel .....................................................................1-6

2. CONNECTIONS

2.1 Scanner Unit ....................................................................................................................2-1

2.2 Display Unit Connections................................................................................................2-6

2.3 Changing Power Specifications .....................................................................................2-13

3. INITIALIZATION AND ADJUSTMENT

3.1 Menus for Initialization and Adjustment .........................................................................3-1

3.2 Heading Alignment ..........................................................................................................3-2

3.3 Adjusting Sweep Timing .................................................................................................3-2

3.4 Adjusting Video Signal Level ..........................................................................................3-3

3.5 Suppressing Main Bang ...................................................................................................3-4

3.6 Confirming Tuning ..........................................................................................................3-4

3.7 Confirming Magnetron Heater Voltage ...........................................................................3-5

3.8 Initial Settings Menus ......................................................................................................3-6

3.9 Setting the Function Keys................................................................................................3-8

3.10 Default of Initial Setting Menus .................................................................................. 3-11

3.11 How to adjust ARP board ............................................................................................3-12

3.12 Installation Check List .................................................................................................3-14

4. INSTALLATION OF GYRO CONVERTER GC-8 (option)

4.1 General Procedure for Installing and Setting up the GYRO CONVERTER Board ........4-1

4.2 Connection of External Power Supply ............................................................................4-3

4.3 Confirming Gyrocompass Specifications ........................................................................4-3

4.4 Changing Settings on the GYRO CONVERTER Board .................................................4-4

4.5 Setting the Bearing on the Radar Display........................................................................4-8

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SCHEMATIC DIAGRAMS AND OUTLINE DRAWINGS

SCHEMATIC DIAGRAMS

Interconnection Diagram ............................................................................................... S-1

Display Unit General Schematic.................................................................................... S-2

Scanner Unit Schematic Diagram .................................................................................. S-3

INT-Board INT-9170 (1/2)............................................................................................. S-4

INT-Board INT-9170 (2/2)............................................................................................. S-5

OUTLINE DRAWINGS

Display Unit (tabletop) ..................................................................................................D-1

Display Unit (tabletop type, separate control panel)......................................................D-2

Control Unit ...................................................................................................................D-3

Display Unit (console type) ...........................................................................................D-4

Radar Scanner Unit ........................................................................................................D-5

Radar Scanner Unit ........................................................................................................D-6

LIST OF INSTALLATION MATERIALS, ACCESSORIES AND SPARE PARTS ........... L-1

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EQUIPMENT LISTS

Complete set

No. Name

Type

Qty Remarks

Scanner unit

Display unit

RDP-115

FP03-05710

Pedestal mount type

Tabletop type

Accessories

1 set For built-in control unit,

FP03-05701

FP03-05704

FP03-05705

03-133-184

FP03-05730

For separate control unit,

FP03-05701

FP03-05703

FP03-05704

FP03-05705

03-133-1811

Installation materials

Signal cable

CP03-19104

1 set For scanner unit

1 set For display unit

CP03-14602

RW-4873 *15m*

RW-4873 *20m*

RW-4873 *30m*

RW-6895 *15m*

RW-6895 *20m*

RW-6895 *30m*

RW-6895 *50m*

SP03-08902

no armor

w/armor

Spare parts

1 set For scanner unit

1 set For display unit

SP03-11301

iii

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Optional equipment

No. Name

Type

Code No.

008-423-420

008-452-400

008-459-810

008-459-820

008-459-760

008-459-890

Remarks

Hand grips

OP03-70

OP03-133

FP03-0574

OP03-126

OP03-127

OP03-128

For display unit

M card fixing plate

Hood

Display unit cover

Tabletop w/built-in control unit

Tabletop w/separate control unit

Pedestal mount

Display unit

conversion kit

OP03-129-1 008-459-830

OP03-129-2 008-452-410

OP03-130-1 008-459-900

OP03-130-2 008-452-430

Converts from tabletop type/built-in

control unit to pedestal mount

Converts from tabletop type/separate

control unit to pedestal mount

OP03-131

008-459-910

Converts from pedestal mount to tabletop

type/built-in control unit

OP03-132-1 008-459-920

OP03-132-2 008-452-450

Converts from pedestal mount to tabletop

type/separate control unit

Control panel

fixing plate

OP03-134

008-461-340

For fastening separate type control unit to

a tabletop

Video plotter/

Radar map

RP-25

Mandatory for IMO radar

Gyro converter

Interswitch

GC-8-2

RJ-7

008-446-520

000-030-097

With installation materials

10 External buzzer

OP03-21

PM-30

1 m, with connector

11 Performance

monitor

Mandatory for IMO radar

12 Range unit

conversion kit

OP03-110-1 008-446-610

OP03-110-2 008-452-200

To km

To sm

13 Range unit

conversion kit

14 Color display unit

15 Slave display unit

16 Transformer unit

17 Transformer unit

18 Interswitch

CD-141

FMD-8000

RU-1758

RU-1803

RJ-8

000-030-416

000-030-420

Converts 220 VAC to 100 VAC

Converts 440 VAC to 100 VAC

19 Interface unit

IF-2300

Mandatory for IMO radar

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1. MOUNTING

1.1 Scanner Unit

Mounting considerations

• The scanner unit is generally installed either on top of the wheelhouse or on the radar mast,

on a suitable platform. Locate the scanner unit where there is a good all-round view.

(a) On bridge

(b) Common mast

Figure 1-1 Mounting methods

• No funnel, mast or derrick should be within the vertical beamwidth of the scanner in the bow

direction, especially zero degrees ±5°, to prevent blind sectors and false echoes on the radar

picture.

• It is rarely possible to place the scanner unit where a completely clear view in all directions

is available. Thus, you should determine the angular width and relative bearing of any shadow

sectors for their influence on the radar at the first opportunity after fitting.

• Locate the antenna of a direction finder clear of the scanner unit to prevent interference to

the direction finder. A separation of more than two meters is recommended.

• To lessen the chance of picking up electrical interference, avoid where possible routing the

signal cable near other onboard electrical equipment. Also avoid running the cable in paral-

lel with power cables.

• A magnetic compass will be affected if placed too close to the scanner unit. Observe the

following compass safe distances to prevent deviation of a magnetic compass: Standard

compass,1.70 m (FR-2815), 2.10 m (FR-2825), Steering compass, 1.90 m (FR-2815), 1.20

m (FR-2825).

• Do not paint the radiator aperture, to ensure proper emission of the radar waves.

• The signal cable run between the scanner and the display is available in lengths of 15 m

(standard), 20 m, and 30 m. Whatever length is used it must be unbroken; namely, no splic-

ing allowed.

• The scanner base is made of cast aluminum. To prevent electrolytic corrosion of the scanner

base, use the seal washers and corrosion-proof rubber mat and ground the unit with the

ground wire (supplied).

• Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial per-

formance and hot gases may distort the radiator portion. The scanner unit must not be mounted

where the temperature is more than 70°C.

• Leave sufficient space around the unit for maintenance and servicing. See the scanner unit

outline drawing for recommended maintenance space.

1 - 1

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Assembling the scanner unit

The scanner unit consists of the scanner radiator and the scanner unit chassis, and they are

packed separately. Fasten the scanner radiator to the scanner unit chassis as follows:

1) For the XN20AF, XN24AF, attach two guide pins to the underside of the scanner radiator.

2) Remove the waveguide cap from the radiator bracket. The cap may be discarded.

3) Coat the waveguide flange with anticorrosive sealant as shown in Figure 1-2.

O-ring

10 mm

Hole for

a guide pin

5 mm

Anticorrosive sealant

Figure 1-2 Coating the waveguide flange with anticorrosive sealant

4) Coat fixing holes for the scanner radiator with anticorrosive sealant.

5) Grease the O-ring and set it to the O-ring groove of the radiator flange.

6) Set the scanner radiator to the radiator bracket.

7) For the XN20AF, XN24AF, coat hex bolts (M8 x 40, slotted washer head, 8pcs.) with

anticorrosive sealant and use them to loosely fasten the scanner radiator to the scanner unit

chassis. For the XN12AF, coat hex bolts, flat washers and spring washers with anticorro-

sive sealant and use them to loosely fasten the scanner radiator to the scanner unit chassis.

8) Remove two guide pins (inserted at step 1), and then tighten fixing bolts.

CAUTION

Be sure to remove the guide pins.

Injury may result if the guide pins loosen

and fall.

1 - 2

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Antenna radiator

Waveguide

Radiator bracket

Guide pin

(XN20AF,

XN24AF

only)

Hex bolt (M8X40), 8 pcs.

(XN20AF, XN24AF only)

Hex bolt (M8X35), 8 pcs.

Flat washer

Spring washer

(XN12AF only)

O-ring

Figure 1-3 Fastening the radiator to the radiator bracket

Fastening the scanner unit to the mounting platform

The scanner unit may be assembled before hoisting it to the mounting platform. However, do

not lift the scanner unit by the radiator. Always hold the unit by its housing. When using a crane

or hoist, lift the unit by the hoist rings which should be fastened to the bolt fixing covers of the

scanner housing.

CAUTION

DO NOT lift the antenna unit by the radiator;

lift it by the hoist rings. (Be sure to remove

rings after hoisting the antenna unit.)

NO!

Hoist

ring

1) Construct a suitable mounting platform referring to the outline drawing at the back of the

manual.

2) Drill four mounting holes of 15 mm diameter and one cable entry hole of about 50 mm

diameter in the mounting platform.

3) Lay the rubber mat (supplied) on the mounting platform.

1 - 3

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4) Place the scanner unit on the rubber mat orienting the unit so the bow mark on its base is

facing the ship’s bow.

Ground

terminal

Rubber

mat

Bow mark

Figure 1-4 Scanner unit, front view

5) Fasten the scanner unit to the mounting platform with M12x60 hex bolts, nuts, flat washers

and seal washers.

6) Using hex bolt (M6x25), nut (M6) and flat washer (M6) establish the ground system on the

mounting platform as shown in Figure 1-5. The location should be within 370 mm of the

ground terminal on the scanner unit. Connect the ground wire (RW-4747, 370 mm, sup-

plied) between the grounding point and ground terminal on the scanner unit. Coat the entire

ground system with silicone sealant (supplied).

Ground wire

Hex bolt

Anticorrosive sealant

Seal washer

Spring washer

Rubber mat

Spring washer

Hex nut

Anticorrosive

sealant

Anticorrosive

sealant

Ground wire

Hex nut

Spring washer

Flat washer

Hex bolt welded to

ship’s superstructure

Anticorrosive sealant

Ground

terminal

Ground

wire

Antenna base

CAUTION

Ground the equipment to

prevent electrical shock

and mutual interference.

Figure 1-5 Fastening the antenna unit to the mounting location

1 - 4

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1.2 Mounting the Display Unit

The display unit is designed to be mounted on a tabletop or on a pedestal (option).

Before mounting the display unit

If Gyro Converter GC-8 (option) is to be used, install and setup the GYRO PROCESSOR

Board before mounting the display unit, because of the difficulty involved if done after the unit

is mounted. Instructions for installation and setup are in Chapter 4.

Siting considerations

Locate the display unit on the bridge in a place where it can be viewed and operated conve-

niently. In addition, consider the points noted in the figure which follows.

CAUTION

A magnetic compass will be affected if

placed too close to the display unit.

The minimum compass safe distances

for magnetic compasses are

standard compass:1.6 m

steering compass: 1.2 m

Consider the points mentioned below

when selecting a mounting location for the

display unit.

•

The orientation of the display unit should

be so the operator views the screen while

facing the bow. This makes determination

of position much easier.

• The location should be free of water spray.

• The daylight bright type radar display

provides excellent visibility even in direct

sunlight. However, locate the unit out of

direct sunlight and away from heat sources

because of heat that can build up inside

the cabinet.

• The mounting location should be deter-

mined considering the length of the signal

cable between the antenna unit and the

display unit. (The signal cable comes in

lengths of 15, 20 or 30 meters; maximum

100 meters.)

• Leave sufficient space around the unit for

maintenance and servicing. See the display

unit outline drawing for recommended

maintenance space.

1 - 5

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Mounting procedure

Tabletop

1) Unfasten the three M10 bolts at the front of

the display unit and separate the mounting base

from the display unit.

2) Drill five holes of 12mm diameter in the table-

top.

3) Secure the mounting base to the tabletop by

using M10 nuts, bolts and flat washers.

4) Place the display unit on the mounting base

and fasten it to the mounting base with the bolts

removed in step 1.

Pedestal

Fix the pedestal to the mounting location with M12

nuts, bolts and washers. (The cable gland is at the

bottom of the pedestal.) See the outline drawing at

the back of this manual.

529.5

460

1.3 Mounting the Separate

Type Control Panel

560

644

The separate type control panel connects to the dis-

play unit with a connection cable. Nonslip rubber

feet (supplied) can be attached to the bottom of

the control panel. The panel can be permanently

fixed to a tabletop with the control panel fixing

plate kit (option).

Figure 1-6 Mounting dimensions for

tabletop mount display unit

1 - 6

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2. CONNECTIONS

2.1 Scanner Unit

CAUTION

The magnetron in the transceiver module will de-

magnetize if it contacts ferrous material. When

dismounting the transceiver module, lay it on its

side or on top of non-ferrous material as shown

below.

Transceiver module

(magnetron inside)

Non-ferrous

block

Height more

than 5 cm

1) Open the scanner unit cover.

2) Disconnect plugs P611, P801 and P821.

3) Unfasten the transceiver module (two bolts). Remove the transceiver module.

Fixing

bolts

J611

J801

J821

Figure 2-1 Scanner unit, front view

2 - 1

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4) Unfasten the four fixing bolts on the cable gland at the base of the scanner unit. Remove

clamping ring, rubber gasket and washers.

From left: Clamping ring,

washer, rubber gasket

and washer

Signal cable

Figure 2-2 Scanner unit, front view, cover removed

5) Pass the signal cable through the cable entry hole in the scanner unit mounting platform.

Trim the cable so about 80 cm of it protrudes past the cable gland.

6) Slide the clamping ring, washer, rubber gasket and washer onto the cable in that order.

7) Fabricate the signal cable as shown on page 2-4 (signal cable RW-4873), or page 2-5 (sig-

nal cable RW-6875).

8) Referring to Figure 2-3, pass the outer and inner shields between the signal cable and the

clamping ring. Fasten the cable gland.

Clamping

ring

Washers

Rubber

gasket

Figure 2-3 Passing cable shields between cable and clamping ring

9) Connect the signal cable to the terminal board RTB801 by referring to the interconnection

diagram. Leave “slack” in the coaxial wire to prevent breakage.

10) Bind cores of cables with cable ties.

11) Mount the transceiver module. Connect plugs P611, P801 and P821. Fasten the shield to

the ground terminal on the transceiver module.

2 - 2

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12) If the scanner is mounted 2° or more left of ship’s bow, adjust the position of S901 so it

becomes “on” (contact between #1 and #2 on pcb MP-3795). To access S901, open the bow

side cover; S901 is above the drive gear.

S901

RTB801

1011 1213 14

15 16171819 20 212223 2425 26 2728

Bow mark

Figure 2-4 Scanner unit, front view

13) Confirm that all screws are tightened and all wiring is properly made. Coat waterproofing

gasket, bolts and tapping holes of scanner unit with silicone grease. Check that the water-

proofing gasket is seated as shown in Figure 2-5. Close the scanner unit cover.

Coat gasket with silicone grease.

DO NOT use silicone sealant.

CORRECT

WRONG

Figure 2-5 Correct seating of waterproofing gasket

2 - 3

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Fabricating signal cable RW-4873

VINYL SHEATH

450 mm

1) Remove the vinyl sheath by 450 mm.

2) Slide the clamping ring, washer, rubber gas-

ket and washer onto the signal cable in that

order.

3) Unravel the outer shield to expose the cores

in the outer layer. Then, unravel the inner

shield to expose the cores in the inner layer.

Label all inner cores to aid in identification.

Inner shield

4) Attach EMI cores to all inner cores and all

outer cores, and tie them with cable ties, etc..

Cable tie

under

100mm

70-130mm

Note:There are two types of the EMI core,

thick and thin.

Outer cores

Inner cores

5) Trim each core (except coaxial wire) con-

sidering its location on the terminal board.

Coax cable

500mm

6) Trim the inner and outer shields leaving 500

mm each. Twist shields together and attach

crimp-on lug FV5.5-4 (blue, ø4).

= EMI cores

Outer cores:RFC-13(thick)

Inner cores:RFC-10(thin)

7) Remove insulation of each core by about 6

mm. Fix crimp-on lug FV1.25-M3 (red, ø3)

to each core.

6 mm

8) Fabricate the coaxial cable. Make the length

10 mm longer than the shield to prevent wire

strain.Attach crimp-on lug FVD1.25-3 (red,

ø3) to coaxial cable.

Red(φ3)

Crimp-on lug(FV1.25-M3)

75 mm

Clamping

Crimp-on lug

(FV5.5-4, Blue, φ4)

ring

2C-2V

50 mm

Washers

6 mm

Fold four times

Rubber

gasket

Cut here

45 mm

Figure 2-7 How to ground

signal cable RW-4873

Red(φ3)

(FVD1.25-3)

Red(φ3)

(FVD1.25-M3)

Figure 2-6 How to fabricate

signal cable RW-4873

2 - 4

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Fabricating signal cable RW-6895

500 mm

ANTICORROSIVE SHEATH

1) Remove the anti-corrosive sheath by 500

mm. Remove the armor and vinyl sheath

leaving 50 mm each approximately.

50 mm

Vinyl sheath

2) Fold back the armor and trim to suitable

length. Then, slide the washer, rubber gas-

ket, washer and clamping ring onto the cable

in that order.

Outer sheath

Armor

3) Unravel the outer shield to expose the cores

in the outer layer. Then, unravel the inner

shield to expose the cores in the inner layer.

Label all inner cores for later identification.

Inner shield

4) Attach EMI cores to all inner cores and outer

cores, and tie them with cable ties, etc..

Cable tie

under

100mm

70-130mm

Outer cores

Note: There are two types of EMI core,

thick and thin.

Inner cores

5) Trim each core (except coaxial core) con-

sidering its location on the terminal board.

Coax cable

6) Trim the inner and outer shields leaving 50

cm each. Twist shields together and attach

crimp-on lug FV5.5-4 (blue, ø4).

=EMI cores

Outer cores:RFC-13(thick)

Inner cores:RFC-10(thin)

7) Remove insulation of each core by 6 mm

approximately. Attach crimp-on lug

FV1.25-M3 (red, ø3) to each core.

FV2-4(Blue)

Crimp-on lug

Shield

8) Fabricate the coaxial cable. Make the length

10 mm longer than the shield to prevent wire

strain.Attach crimp-on lug FVD1.25-3 (red,

ø3) to coaxial cable.

FV1.25-M3

Coax cable

75 mm

2C-2V

Clamping

Crimp-on lug

(FV5.5-4, Blue, φ4)

ring

50 mm

6 mm

Fold four times

Washers

Cut here

Rubber

gasket

45 mm

Red(φ3)

(FVD1.25-3)

Armor

Figure 2-9 How to ground

signal cable RW-6895

Red(φ3)

(FVD1.25-M3)

Figure 2-8 How to fabricate

signal cable RW-6895

2 - 5

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2.2 Display Unit Connections

Two cables are terminated at the display unit: the signal cable RW-4873 or RW-6895 and the

power cable. The signal cable, available in lengths of 15m, 20m or 30m, comes with a connec-

tor preattached to it for connection to the display unit.

Fabricating power cable DPYCY-3.5

1) Remove the vinyl jacket by 150mm.

(a)

DPYCY-3.5

2) Cut off jute tape wrapped around the braided

shield.

Approx. 150 mm

Vinyl jacket

(b)

15 mm

5 mm

3) Unravel the braided shield to expose the cores

by about 120mm.

4) Slip the terminal cap onto the core.

Armor

5) Remove insulation of cores by about 10mm.

Fix crimp-on lugs FV5.5-4 to the cores and

braided shield.

10 mm

(c)

6) Cover the braided shield with vinyl tape, leav-

ing the portion which will lie inside the cable

clamp untaped.

Terminal cap

Clamp here

FV5.5-4

(d)

Armor

Taping

Core

Vinyl sheath

S = 3.5 mm²

Figure 2-10 How to fabricate

power cable DPYCY-3.5

φ = 2.4 mm

(sectional view)

2 - 6

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Leading in cables to the display unit

To lead in cables easily, unfasten the cable clamp at the right side of the display unit.

Cable

clamp

Figure 2-11 Location of cable clamp inside the display unit

Tabletop

Cables can be led in through the cable gland at the rear or underside of the unit.

Pedestal

Lead in cables through the cable gland

at the bottom right-hand side of the ped-

Process cable same as

on tabletop type

estal. Pass cables through the cable

clamp and tighten the cable clamp. Fix

cables to the pedestal frame with cable

ties as shown in Figure 2-12. Finally,

pass cables through the cable clamp at

the right side of the display unit and then

tighten the cable clamp.

Leaving sheath

intact, pass cable

through cable

clamp

Figure 2-12 How to lead in cables

through the pedestal

2 - 7

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Connections

Power cable

Connect the power cable to the filter at the right

hand side of the display unit. Cover the filter ter-

minals with the terminal caps (supplied) to insu-

late the terminals.

Filter

Power

cable

Figure 2-13 Location of filter

inside the display unit

Gyro signal

Solder the 5 pin and 3 pin VH connectors (supplied) to the gyrocompass cable. Plug in the

connectors on the GYRO CONVERTER Board. For further details, see page 4-2.

GYRO CONVERTER

Board

Rear panel

Figure 2-14 Location of GYRO CONVERTER Board

HOW TO ATTACH NH CONNECTOR TO SIGNAL CABLE

Shrink tubing

NH connector wire

Solder

20mm

NH connector

housing

3 Solder connector

to signal cable.

4 Heat shrink

tubing with solder-

ing iron.

2 Cut shrink tubing

in 20 mm lengths and

slip onto each wire.

1 Insert NH connector

wire into NH connector

housing.

2 - 8

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Grounding

The display unit must be grounded from

a grounding stud having a wing nut lo-

cated at the point shown in Figure 2-15.

CAUTION

An ungrounded unit can cause electrical shock when

its metallic parts are touched and give off or receive

electromagnetic interference.

Tabletop type

Pedestal type

Figure 2-15 Grounding the display unit

Radar buoy

Solder the radar buoy signal line to the "BUOY" connector on the VDA Board. Connect the

trigger line to the corresponding connector on the INT Board.

Signal input/output circuit (INT Board INT-9170)

Nav data

+5V

2SC1015

J450

TXD1-H

TXD1-C

RXD1-H

RXD1-C

+5V

PC900V

+5V

Vcc

DTR1-H

DTR1-C

DSR1-H

DSR1-C

OUT

GND

Figure 2-16 INT Board circuit

For other input/output circuits, see the circuit diagram of the INT Board at the back of this

manual.

2 - 9

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Table 2-1 Input and output signals on the INT Board

Signal name

Name on

Connector Connector Applicable

Remarks

pcb

no.

type

equipment

Input Signal

Gyro signal

J4*

J5*

VH, 5 pin

VH, 3 pin

*: On pcb

A64P1106 (option)

Speed log

signal

LOG

J448

J459

J460

J445

J458

J464

NH, 3 pin

NH, 4 pin

NH, 3 pin

NH, 4 pin

NH, 8 pin

NH, 7 pin

200 pulses/nm, etc.

Not used

Current indicator NAV

signal (tide)

COURSE

Current indicator NAV

signal (speed)

Not used

SPEED

Radar buoy

signal

RADAR

BUOY

Remote display

signal

EXT-RADAR

or RJ-7

Rudder angle

signal

ROT

RUDDER

Output Signal

External ARPA

signal

EXT-ARPA

SLAVE

J444

NH, 8 pin

FA-2805

heading, bearing,

Tx trigger

Slave display

signal

J442

J443

CD-140, CD-141,

GD-500,

heading, bearing,

video, Tx trigger

FMD-800,

FMD-8000 *1

*1: Display unit for

FR-2800 series

radar can be used

as slave display

unit.

Buzzer signal

EXT-BUZ

J451

J452

NH, 3 pin

NH, 2 pin

OP03-21-3

buzzer drive signal

speaker signal

Buzzer signal

(AC)

EXT-BUZ

(AC)

Speaker w/amp

Monitor signal

J449

NH, 10 pin

VER synchronous,

HOR synchronous,

video (NTSC for-

mat)

RJ-8

J456

NH, 4 pin

NH, 5 pin

Input/Output Signal

INS data

RJ-7

INS. DATA

J455

J457

RJ-7

NH, 15 pin

NH, 8 pin

Nav data

N AV DATA

ARPA DATA

J450

J454

NH, 8 pin

NH, 5 pin

ARPA data

2 - 10

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J445

J458

J441

J464

J452

#1 DTB-2

J449

J463

J467

J450

J454

J461

J460

J448

J459

J456

J451

J443

J455

J444

J442

J457

Figure 2-17 Location of connectors on the INT Board

2 - 11

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Grounding cables and covering unused cable slots in the cable clamp

Cover unused cable

slots with aluminum tape.

Ground shield

of cables by

cable clamp.

Fasten ground wire

of cables by fixing

screws for cable clamp.

Figure 2-18 Cable clamp

CAUTION

1) The display unit must be grounded. Failure to

ground the unit may cause electrical shock when its

metallic parts are touched and give off or receive

electromagnetic interference.

2) Cover unused cable slots in the cable clamp with

aluminum tape to prevent foreign objects from

falling into the display unit through the cable slots.

2 - 12

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2.3 Changing Power Specifications

This radar can be powered by 100V AC or 220V AC, and is set at the factory for connection to

a 100V power supply. To power the unit by 220V AC, remove jumper JP13 on the POWER

Board as shown in the procedure below.

CAUTION

Turn off the power before executing the procedure

shown below.

Procedure

1) Turn off the power.

2) Unfasten the four screws circled in the

illustration at right.

3) Remove the power assembly.

4) Remove the power assembly cover.

5) For 220V power supply, remove jumper

wire JP13 on the POWER Board.

6) Mount the power assembly.

JP13

RT-9183

Power

Jumper wire

JP13

C42

100 VAC Short

220 VAC Remove

2 - 13

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3. INITIALIZATION AND ADJUSTMENT

3.1 Menus for Initialization and Adjustment

Accessing the menus

The menus for initialization and adjustment of this radar are locked to prevent adjustment by

the user. To access them;

1) Turn off the power.

2) Turn on the #4 segment of DIP Switch S1 on the SPU Board.

Figure 3-1 Display unit (top view, cover removed) and SPU Board

Menu operation

1) Press the [RADAR MENU] key.

2) Press appropriate numeric key to select menu desired.

3) Press numeric key to select item.

4) Press same numeric key pressed in step 3 to select option.

5) Press [ENTER] to register selection.

Menu description and menu tree

See pages 3-6 and 3-11, respectively.

Restoring default settings

1) Press [RADAR MENU] [0] [0] [2] [0] [0] [0] [0] to select FACTORY DEFAULT on the

INITIAL SETTING 4 menu.

2) Press [ENTER] key.

3) Wait for 10 seconds.

3 - 1

4) Turn power off, and on again.

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5) Press [RADAR MENU] [0] [0] [2] [0] [0] [0] to open the INITIAL SETTING 4 menu.

6) Confirm that FR-2815, 2825 is selected at MODEL.

3.2 Heading Alignment

Antenna unit mounted error (heading reed switch timing error) can be compensated at the dis-

play unit.

Apparent position

of target

Correct bearing

relative to heading

000

350

340

010

020

330

030

Target

000

350

340

010

020

320

040

330

030

Target

310

050

060

070

080

320

310

040

300

290

280

050

060

070

080

300

290

270

260

090

100

280

Correct

270

260

090

100

250

240

Apparent

position

of target

110

120

130

bearing

relative to

heading

250

240

230

110

120

130

230

220

140

210

150

200

160

170

220

210

140

190

180

150

200

190

160

170

180

Antenna mounted error

to starboard (heading

switch delayed)

Picture appears

deviated counterclockwise.

Picture appears

deviated clockwise.

Antenna mounted error

to port (heading switch

advance)

Figure 3-2 Heading alignment error

Procedure

1) Turn on the power. Press [RADAR MENU] [0] [0] [2] [2] to select HD ALIGN on the

INITIAL SETTING 1 menu.

2) Select a target echo (by gyrocompass, for example) at a range between 0.125 and 0.25nm,

preferably near the heading mark.

3) Operate the EBL control to bisect the target echo. (The value shown on the display is an-

tenna position in relation to ship's bow.)

4) Press [ENTER] to finish.

3.3 Adjusting Sweep Timing

Sweep timing differs with respect to the length of the signal cable between the antenna unit and

the display unit. Adjust sweep timing at installation to prevent the following symptoms:

• The echo of a "straight" target (for example, pier), on the 0.25nm range, will appear on the

display as being pulled inward or pushed outward. See Figure 3-3.

• The range of target echoes will also be incorrectly shown.

Figure 3-3 Examples of correct

and incorrect sweep timings

Correct

Target pushed

inward

Target pushed

outward

3 – 2

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Procedure

1) Turn on the power. Press [RADAR MENU] [0] [0] [2] [3] to select TIMING ADJ on the

INITIAL SETTING 4 menu.

2) Transmit on the 0.25nm range.

3) Adjust radar picture controls to display picture properly.

4) Select a target echo which should be displayed straightly.

5) Adjust the VRM control to straighten the target echo.

6) Press the [ENTER] key.

3.4 Adjusting Video Signal Level

When the signal cable is very long, the video amplifier input level decreases, shrinking target

echoes. To prevent this, confirm (and adjust if necessary) video amplifier input level.

Procedure

1) Connect an oscilloscope to TP3 on the INT Board (INT-9170).

2) Transmit on the 12nm range. Take trigger at TP10 on the same board.

3) Adjust VR1 on the INT Board so the value of TP3 is 4Vpp. (For secondary display, adjust

VR2 for same level.)

VR2

VR1

INT Board

TP3

Figure 3-4 Location of INT Board

3 - 3

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Setting method 2: by make and model of gyrocompass

Table 4-2 Setting GYRO CONVERTER Board by make and model of gyrocompass

Maker

Models

Specification

1-1

1-2

1-3

1-4

1-5

1-6

1-7

1-8

2-1

2-2

2-3

JP1

JP2 JP3 JP4 JP5

FURUNO

GY-700

DC step

100V 180x

5-wire, open collector

OFF OFF

ON OFF OFF ON

OFF OFF

#4,

#5,#6

Anschutz

Standard 2,3

Standard 4,6

Standard 20

AC synchronous

50/60Hz

Rotor voltage: 50/60V

Stator voltage: 22V

360x

OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF

#1,

#2,#3

AC synchronous

50/60Hz

Rotor voltage: 50/60V

Stator voltage: 90V

360x

OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF

#1,

#2,#3

DC step

35V 180x

COM(-) ,3-wire(+)

OFF OFF

ON OFF OFF ON

ON OFF

#4,

#5,#6

Yokogawa

Navtec

(Plaith

C-1/1A/2/3

A-55, B-55

AC synchronous

50/60Hz

Rotor voltage: 50/60V

Stator voltage: 22V

360x

OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF

#1,

#2,#3

type)

CMZ-250X/

300X/500

DC synchronous 360x

OFF OFF OFF OFF OFF OFF ON

ON OFF OFF ON OFF OFF ON

ON OFF Remo- #2

∗

DC step

ON OFF

#4,

35V 180x

#5,#6

COM(+),3-wire(-)

CMZ-100/200/ AC synchronous

300 50/60Hz

C-1Jr,D-1Z/1/3 Rotor voltage: 100V

OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF

#1,

#2,#3

IPS-2/3

Stator voltage: 90V

360x

CMZ-50

Note

step

OFF OFF

ON OFF OFF ON

–

ON OFF Remo- #2

–

∗

35V 180x

COM(+),3-wire(-)

Plaith

NAVGAT II/III

AC synchronous

50/60Hz

Rotor voltage: 50/60V

Stator voltage: 68V

360x

OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF

#1,

#2,#3

Tokimec

(Sperry

type)

ES-1/2/11

AC synchronous

OFF OFF OFF OFF OFF OFF OFF OFF OFF

#1,

#2,#3

GLT-101/102/ 50/60Hz

103/106K/107 Rotor voltage: 100/110V

Stator voltage: 90V

36x

ES-11A/110

TG-200

AC synchronous

50/60Hz

OFF

#1,

#2,#3

PR222R/2000 Rotor voltage: 100/110V

PR237L/H

GM 21

Stator voltage: 22V

90x

MK-14

MOD-1/2/T

NK-EN,NK-EI

DC step

70V 180x

COM(-), 3-wire(+)

OFF OFF

ON OFF OFF ON

–

OFF OFF

#4,

#5,#6

–

SR-130/140

DC step

70V 180x

5-wire, open collector

OFF OFF OFF ON OFF OFF OFF

#4,

#5,#6

TG-100/5000

PR-357/130/

140, ES-17

GLT-201/202

/203

DC step

70V 180x

COM(+), 3-wire(-)

OFF OFF

ON OFF OFF ON

#4,

#5,#6

TG-6000

DC step

24V 180x

OFF OFF

ON OFF OFF ON

ON OFF

#4,

#5,#6

–

GM-11

AC synchronous

50/60Hz

OFF

OFF OFF OFF OFF OFF OFF OFF OFF OFF

#1,

#2,#3

Rotor voltage: 100V

Stator voltage: 90V

90x

SR-120,ES-16 DC step

OFF OFF

ON OFF OFF ON

–

ON OFF

#4,

#5,#6

–

MK-10/20/30

35V 180x

Kawasaki

GX-81

AC synchronous

50/60Hz

OFF

ON OFF OFF OFF OFF OFF OFF

OFF OFF OFF

#1,

#2,#3

Rotor voltage: 100/110V

Stator voltage: 90V

90x

Armabrown MK-10,MKL-1 DC step

SERIES1351, 50V 180x

OFF OFF

ON OFF OFF ON

–

OFF OFF

ON OFF

#4,

#5,#6

–

MOD-4

COM(+), 3-wire(-)

Robertson

SKR-80

DC step

#4,

35V 180x

#5,#6

COM(-), 3-wire(+)

4 - 6

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