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 C
Yo u r L o c a l A g e n t / D e a l e r

9-52, Ashihara-cho,
Nishinomiya, Japan

Te l e p h o n e : 0 7 9 8 - 6 5 - 2 111
Te l e f a x : 0798-65-4200

All rights reserved.

FIRST EDITION : APR. 1998
Printed in Japan
H : JUN. 6, 2001

PUB. No. IME-34590-H

(HIMA) FR-7062

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 SAFETY INSTRUCTIONS

WARNING WARNING
Do not open the equipment Radio Frequency
unless totally familiar with
electrical circuits and
Radiation Hazard
service manual.
The radar scanner emits electromagnetic
radio frequency (RF) energy which can be
ELECTRICAL Only qualified personnel
harmful, particularly to your eyes. Never
SHOCK should work inside the
look directly into the scanner aperture from
HAZARD equipment.
a close distance while the radar is in
operation or expose yourself to the trans-
Wear a safety belt and hard
mitting scanner at a close distance.
hat when working on the
scanner unit.
Distances at which RF radiation levels of
100 and 10 W/m2 exist are given in the
Serious injury or death can
table below.
result if someone falls from
the radar scanner mast.
Note: If the scanner unit is installed at a
Construct a suitable service platform close distance in front of the wheel house,
from which to install the scanner unit. your administration may require halt of
transmission within a certain sector of
Serious injury or death can result if some- scanner revolution. This is possible — Ask
one falls from the radar scanner mast. your FURUNO representative or dealer to
provide this feature.
Turn off the power at the mains switch-
board before beginning the installation. Distance to Distance to
Radiator
100 W/m2 10 W/m2
type
Fire, electrical shock or serious injury can point point
result if the power is left on or is applied XN12A Worst case
while the equipment is being installed. (4') 2.5 m
Nil
Do not install the display unit where it XN13A Worst case
may get wet from rain or water splash. (6') 2.3 m

Water in the display unit can result in fire,

electrical shock or equipment damage.

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 WARNING CAUTION
Be sure that the power supply is Ground the equipment to
compatible with the voltage rating of prevent electrical shock and
the equipment. mutual interference.

Connection of an incorrect power supply Observe the following compass safe

can cause fire or equipment damage. The distances to prevent deviation of a
voltage rating of the equipment appears magnetic compass:
on the label above the power connector.
Standard Steering
Use only the specified power cable.
Display
1.10 m 0.80 m
unit
Fire or equipment damage can result if a
different cable is used. Scanner
1.65 m 1.25 m
unit

HIGH TENSION WARNING

J
ß

Name: Warning Label (1)

Type: 86-003-1011
Code No.: 100-236-230

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 TABLE OF CONTENTS
EQUIPMENT LISTS ..................................................................................................... iv
SYSTEM CONFIGURATION ................................................................................... vi

SCANNER UNIT
Mounting Considerations, Precautions ..................................................................................... 1
Mounting Methods ................................................................................................................... 1
Fixing Holes in Mounting Platform .......................................................................................... 1
Fastening the Radiator to the Radiator Bracket ........................................................................ 2
Mounting the Scanner Unit ....................................................................................................... 2
Connecting the Signal Cable .................................................................................................... 4

DISPLAY UNIT
Mounting Considerations ......................................................................................................... 6
Tabletop Mounting.................................................................................................................... 6
Bulkhead, Overhead Mounting ................................................................................................. 7

WIRING ............................................................................................................................... 8

ADJUSTMENTS, INITIAL SETTINGS

Adjustments, Initial Settings
1. Displaying the Installation Setup menu ............................................................................. 9
2. Selecting a navaid .............................................................................................................. 9
3. Selecting a heading sensor................................................................................................. 9
4. Adjusting tuning, video amplifier input level .................................................................... 9
5. Aligning heading ............................................................................................................. 10
6. Adjusting sweep timing ................................................................................................... 10
7. Adjusting MBS (Main Bang Suppression) ...................................................................... 11
8. Entering scanner height ................................................................................................... 11
9. Selecting STC curve ........................................................................................................ 11
10. Setting a dead sector ...................................................................................................... 12
11. Checking magnetron heater voltage .............................................................................. 12

ARP-10 INSTALLATION
Necessary Parts ....................................................................................................................... 13
Installation .............................................................................................................................. 13
Adjustments ............................................................................................................................ 14

INSTALLATION MATERIALS, ACCESSORIES, SPARE PARTS ...... A-1

OUTLINE DRAWINGS .............................................................................................. D-1
SCHEMATIC DIAGRAMS ....................................................................................... S-1

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 EQUIPMENT LISTS
Standard Supply
Name Type Code No. Qty Remarks
XN12A-RSB-0070-059 - 24 rpm, 1250 mm
Scanner
XN12A-RSB-0070-059 - 1 24 rpm, 1800 mm
Unit
XN12A-RSB-0070-059 - 48 rpm, 1250 mm
Display Unit RDP-122 - 1
Spare Parts SP03-10200 000-085-692 1 See packing list
CP03-18401,
CP03-18400 000-086-892 Power cable, S
10 m signal cable e
e
CP03-18401,
CP03-18410 000-086-893 Power cable, p
Installation 15 m signal cable a
1
Materials CP03-18401, c
CP03-18420 000-086-894 Power cable, k
20 m signal cable i
CP03-18401, n
CP03-18430 000-086-895 Power cable, g
30 m signal cable
l
FP03-02910 i
s
Spare Parts FP03-05310 000-085-757 1 FP03-04310 t
s
FP03-02920

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 Optional Supply
Name Type Code No. Remarks
External Buzzer OP03-21 000-030-097
Rectifier RU-3423 000-030-443
For heading sensor, 10 m w/6P
MJ-A6SPF0007-100 000-125-237
connector at both ends, straight
For navaid, video sounder, 5 m
MJ-A6SPF0012-050 000-134-424 w/6P connector at both ends,
cross
Cable Assy. For navaid, video sounder, 10
MJ-A6SPF0012-100 000-133-817 m w/6P connector at both
ends, cross
For navaid, video sounder,
MJ-A6SPF0009-100 000-125-236 heading sensor, 10 m w/6P
connector at one end
5 m, w/6P connector on one
Signal Cable MJ-A6SPF0003-050 000-117-603
end
EMI Filter FP03-05500 008-456-990
Dust Cover 03-038-9001 000-801-826
Hood w/Lens OP03-120 008-441-880
Filter FP03-02920 008-224-760
Useable with 24 rpm scanner
Auto Plotter ARP-10 000-086-852
unit
Radar Plotter RP-110 -
FMD-811 - LCD
Slave Display
FMD-8010 -
Remote Display FMD-1800 - w/CVD Converter
Cable Assy. MJ-B24LPF0006-005 000-140-438 Cable converter connector

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 SYSTEM CONFIGURATION
SCANNER UNIT
XN12A-RSB-0070-059
XN13A-RSB-0070-059
XN12A-RSB-0073-059

Signal Cable MJ-B24LPF0005

(10 m, 15 m, 20 m,
30 m, 10 m standard)

Radar Plotter
Auto Plotter RP-110
ARP-10
(built in
display unit) Gyro
DISPLAY UNIT Converter Gyrocompass
RDP-122 AD-100

Heading Sensor
C-2000
PG-2000
100/110/115/220/ Rectifier IEC 1162*
230 VAC, 1∅, 50/60 Hz RU-3423
Video Sounder
12/24/32 VDC 03S9235-1 IEC 1162*

Remote Display CVD Converter

FMD-1800 RP-6065B Navigator
IEC 1162*
Slave Display
FMD-811
FMD-8010
External
Buzzer
OP03-21

Broken lines denote optional equipment.

* Equivalent to NMEA 0183

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 SCANNER UNIT

Mounting Considerations, • Do not paint the radiator aperture, to en-

sure proper emission of the radar waves.
Precautions
• When this radar is to be installed on larger
• The scanner unit is generally installed ei- vessels, consider the following points:
ther on top of the wheelhouse or on the ra- • The signal cable run between the scan-
dar mast on a suitable platform. Locate the ner and the display comes in lengths of
scanner unit where there is a good all-round 10 m (standard), 15 m, 20 m and 30 m.
view. Any obstruction will cause shadow Whatever length is used it must be un-
and blind sectors. A mast for instance, with broken; namely, no splicing allowed.
a diameter considerably less than the width
of the radiator, will cause only a small blind • Deposits and fumes from a funnel or
sector, but a horizontal spreader or other exhaust vent can adversely affect
crosstrees in the same horizontal plane as the aerial performance and hot gases
the scanner unit would be a much more may distort the radiator portion. The
serious obstruction; you would need to scanner unit must not be mounted where
place the scanner unit well above or below the temperature is more than 70°C.
it.
• It is rarely possible to place the scanner unit
where a completely clear view in all direc- Mounting Methods
tions is available. Thus, you should deter-
mine the angular width and relative bearing As shown in the figure below, the scanner unit
of any shadow sectors for their influence may be installed on the bridge, on a common
on the radar at the first opportunity after mast or on a dedicated mast.
fitting.
• If you have a radio direction finder on your
boat, locate its scanner clear of the scan-
ner unit to prevent interference to the di-
rection finder. A separation of more than (a) On bridge (b) Common mast (c) Dedicated mast
two meters is recommended. Figure 1 Scanner unit mounting methods
• To lessen the chance of picking up electri-
cal interference, avoid where possible rout-
ing the signal cable near other onboard Fixing Holes in Mounting
electrical equipment. Also avoid running
the cable in parallel with power cables. Platform
• A magnetic compass will be affected if Referring to the outline drawing on page D-
placed too close to the scanner unit. Ob- 1, drill five holes in the mounting platform:
serve the following compass safe distances four holes of 15 mm diameter for fixing the
to prevent deviation of a magnetic com- scanner unit and one hole of 25-30 mm diam-
pass: Standard compass, 1.00 m, Steering eter for the signal cable.
compass, 0.75 m.

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 Fastening the Radiator to the Mounting the Scanner Unit
Radiator Bracket
The scanner unit can be mounted using the
For your reference, scanner installation ma- fixing holes on the outside (200 x 200 mm)
terials list appears on page A-8. or inside (140 x 150 mm) the scanner unit.
1. Remove the radiator cap from the radiator
bracket.
2. Coat contacting surface between scanner
radiator and radiator bracket with anticor-
rosive sealant as shown below.
Ship's Bow Ship's Bow
RADIATOR BRACKET
(top view)
Figure 4 Mounting of Scanner Unit
10mm

Outside fixing holes

Coat hatched area with
anticorrosive sealant. Use the hex. bolt (supplied) to mount the scan-
Figure 2 Coating scanner bracket with ner unit as below.
anticorrosive sealant 1. Lay the corrosion-proof rubber mat (sup-
3. Coat threaded holes on the scanner radia- plied) on the mounting platform.
tor with anticorrosive sealant.
Ground
4. Grease the O-ring and set it to the radiator terminal
bracket. Rubber
mat
5. Lay the scanner radiator on the radiator
bracket. Bow mark
6. Coat the radiator fixing bolts (4 pcs.) with Figure 5 Location of rubber mat
anticorrosive sealant. Fasten the scanner
2. Lay the scanner unit on the mounting plat-
radiator to the radiator bracket with the
form, orienting it as shown in Figure 6.
radiator fixing bolts, flat washers and
spring washers.

Scanner
radiator

Coat threaded BOW

holes with anti-
corrosive STERN
O-ring sealant.
Radiator bracket
Flat washer
Spring washer
Hex head bolt
(M8 x 30) Coat bolts with
anticorrosive Figure 6 Scanner unit
sealant.

Figure 3 Fastening the radiator bracket to

the scanner unit chassis

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 6. Prepare ground point in mounting platform
(within 300 mm of ground terminal on
CAUTION scannere unit) using M6 x 25 bolt, nut and
Do not lift the antenna unit by the flat washer.
radiator; lift it by the housing.
7. Run the ground wire (RW-4747, 340 mm)
The radiator may be damaged. between the ground terminal and ground
point.

3. Insert four hex bolts and seal washers from 8. Coat ground terminal and ground point
the top of the scanner housing. Insert the with silicone sealant as shown in Figure
seal washers with the larger diameter next 9.
to the bolt heads. Be sure the seal washer,
not other washers, is next to bolt head.
Hex bolt
Flat washer
Ground
terminal Flat washer
Spring washer
Hex nut
Silicone OR
sealant GROUND
POINT
Ground Hex nut
wire Spring washer
Flat washer
Hex nut

Weld here.
Hex bolt
GROUND
TERMINAL
Seal washer Silicone
sealant
Flat washer
Spring washer Ground
wire
Nut
Scanner
unit
Figure 7 Fixing the scanner unit chassis
4. Pass flat washers, spring washers and nuts
onto hex bolts. Fasten by tightening nuts. Figure 9 How to coat ground point and
ground terminal with silicone sealant
Do not fasten by tightening the hex bolts;
seal washers may be damaged.

Seal washer Fixing holes inside scanner

Scanner unit
Rubber mat unit
Mounting This method requires removal of the RF unit
platform in the scanner unit to access inside fixing
Flat washer Silicone holes. Use hex. bolts, flat washers, spring
sealant
washers and nuts (local supply) to mount the
Figure 8 How to fasten scanner unit to scanner unit, confirming length of bolts.
mounting platform
5. Coat flat washers, spring washers, nuts and
exposed parts of bolts with silicone seal-
ant.

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 1. Loosen four scanner bolts to open the Connecting the Signal Cable
scanner unit.
Refer to Figure 11 for location. Only the signal cable runs from the display
unit to the scanner unit. In order to minimize
Hex. bolt Upper chassis the chance of picking up electrical interfer-
M8X25 SUS ence, avoid where possible routing the signal
2 pcs.
cable near other onboard electrical equipment.
RF unit
Also, avoid running the cable in parallel with
Hex. bolt power cables. Pass the cable through the hole
M10X20 SUS
4 pcs. and apply sealing compound around the hole
Spring Washer for waterproofing.
M10 SUS Pan head screw
4 pcs.
Cover
M3X8 4 pcs. 1. Open the scanner cover by loosening four
Square bushing scanner bolts, and then fix the stay.
Lower chassis

Figure 10 Scanner unit chassis, upper

chassis separated
2. Unplug connector connected between up-
per and lower chassis.
3. Separate upper chassis from lower chas-
Stay
sis by removing two hex. bolts.
4. Remove cover by unfastening four pan Cable gland
head screws.
5. Remove connector from RF unit.
6. Remove RF unit by unfastening four hex.
bolts.
Scanner
7. Lay the corrosion-proof rubber mat (sup- Bolt
plied) on the mounting platform.
8. Fasten the lower chassis to the mounting
platform with hex. bolts, spring washers, Figure 11 Scanner unit chassis,
flat washers and nuts (local supply), and cover opened
then coat flat washers, spring washers, nuts
and exposed parts of bolts with silicone 2. Fabricate the signal cable as shown below.
sealant.
Tubing
Cut a slit in rubber bushing to insert bolts.
Seal washers are not required.
9. Reassemble RF unit, cover and upper
Vinyl About
chassis. sheath
About 370 mm
210 mm
10. Set four knob caps (supplied) into outside Figure 12 Fabrication of signal cable
fixing holes.
3. Unfasten the cable gland assembly (plate,
11. Do steps 6-8 in “Outside fixing holes”. gasket, flat washer).
4. Pass the signal cable w/connector through
the bottom of the scanner unit chassis. Pass
the cable through the gland assembly as
shown below.

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 8. Pass the signal cable through the cable
Bolt
protector.

4-M4 X 16 Cable
Plate protector

Gasket

Flat
washer

Figure 13 Passing the signal cable through Figure 16 Scanner unit chassis,
the cable gland assembly cover opened
5. Fasten the crimp-on lug on the shield to 9. Connect the signal cable to the RTB Board
one of the fixing bolts of the cable gland (03P9249), referring to the interconnection
assembly. diagram and the figure below.
6. Position the signal cable so that no more 10. Attach three EMI cores to the signal cable
than 4 cm of the sheath is exposed as as shown below.
shown in the figure below. Tighten fixing
bolts. J821 VH9P

J824 NH13P
Tubing Lead in
cable here. J823 VH4P
Shield
EMI core
RFC-13
Sheath Clamp
Route cable along here.
Within 4 cm Bolt
Figure 17 Scanner unit chassis,
Plate cover opened
Gasket 11. Fix the signal cable with the cable clamp.
Flat
washer 12. Release the stay and close the cover.
Loosely fasten the cover fixing screws;
CABLE GLAND
you will have to make some adjustments
inside after completion of wiring.
Note: When closing the cover, set the gaskets
Figure 14 How to fix signal to grooves in the bottom chassis, then tighten
cable in cable gland bolts.
7. Unfasten four screws shown in the figure
below. BOTTOM
CHASSIS
Four screws

GROOVE

GASKET

SCANNER BOLT

Figure 15 Scanner unit chassis, Torque : 9.8 ± 0.1N m

cover opened
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 DISPLAY UNIT

Mounting Considerations Tabletop Mounting

The display unit can be mounted on a table- 1. Unfasten the two bolts at the front of the
top, a bulkhead or on the overhead. When se- display unit to dismount the mounting
lecting a mounting location, keep in mind the base.
following points: 2. Using the mounting base as a template
• Select a location where the display unit can mark fixing holes in the mounting loca-
be viewed and operated conveniently and tion.
where the screen can be viewed while fac-
3. Fasten the mounting base to the tabletop
ing towards the bow.
with M10 bolts or coach screws.
• Locate the equipment away from places
subject to water splash and rain. 4. Set the display unit to the mounting base
and fasten it with the bolts removed at step
• The display unit weighs 13 kg. Be sure the
1.
mounting location is strong enough to sup-
port the weight of the unit under the con-
tinued vibration which is normally
experienced on the ship. If necessary rein- DISPLAY
force the mounting location. UNIT

• Leave sufficient space on the sides and rear

of the unit to facilitate maintenance. Also,
leave a foot or so of “service loop” in cables
behind the unit so it can be pulled forward
for servicing or easy removal of connec- M10 bolts
tors. or coach
M8 x 40 hex bolt screws
• A magnetic compass will be affected if Cap 120
placed too close to the display unit. Ob- Mounting base 160
100
serve the following compass safe distances
to prevent deviation of a magnetic com-
pass: Standard compass, 1.0 m, Steering
compass, 0.8 m. Figure 17 Tabletop mounting of
display unit

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 Bulkhead, Overhead Mounting
The display unit is shipped ready for mounting on a tabletop. However, it may also be mounted
on a bulkhead or on the overhead, following the illustration below.

M10 hex bolt,

spring washer,
flat washer

Fixing
plate
Mounting
base
M8 x 40 hex bolt (2 pcs.)
M6 x 16 hex
bolts (4 pcs.)

DISPLAY
UNIT

M4 x 10
cosmetic screws
(4 pcs.)
Cover

Figure 18 Bulkhead, overhead mounting

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 WIRING
All wiring are terminated at the rear of the display unit. Connect the scanner unit, power supply
and external equipment, referring to the drawing below for connector location. Be sure to ground
the display unit.

CAUTION
Use the power cable supplied with the
radar.

Ground the equipment to

prevent electrical shock and
mutual interference.

External equipment connector

(Slave display, Remote display)

DJ connector
(Scanner)

Gyrocompass
connector

NMEA I/O connector

(Navigator, see below)

NMEA connector
(Video Sounder,
see below)

Earth terminal Power

Power fuse F1351*
connector
10A: 24/32 VDC
15A: 12 VDC
INT Board SPU Board * The display unit is shipped
(RSD, TLL) for connection to a 12 V
Navigator
(L/L, WP...)
ship’s mains, and a 15A fuse
(Plotter) is inserted in the fuse holder.
For 24/32 V ship’s mains, re-
place the 15A fuse with the
Video 10A fuse (supplied).
Sounder
Depth, water
temperature

Figure 19 Display unit, rear view

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 ADJUSTMENTS, INITIAL SETTINGS

Adjustments, Initial Settings 5. Select menu item with the trackball and
press the [ACQ/ENTER] key.
1. Displaying the Installation Setup
menu 6. Select menu option with the trackball and
press the [ACQ/ENTER] key to register.
Most adjustments and initial settings may be
completed on the Installation Setup menu, and 2. Selecting a navaid
you can display this menu as follows:
1. Select 1. Nav Talker on the Installation
1. Press the HM OFF control while turning Setup menu and press the [ACQ/ENTER]
on the power. Release the control when key.
you hear a beep.
2. Select type of navaid connected to the ra-
2. Press the [MENU] key. The MAIN menu dar; All, GPS or LC (Loran C). “All” dis-
appears. plays GPS and Loran C position data
alternately.
SSel by T-ball & press ENT.S
3. Press the [ACQ/ENTER] key.
RINGS INDEX DISP INT
LINE DATA REJECT
3. Selecting a heading sensor
Change brill ARP-10 OTHERS
from 3 to max. MENU MENU
1. Select 4. Hdg Sensor on the Installation
Setup menu and press the [ACQ/ENTER]
Figure 20 Main menu
key.
3. Select OTHERS menu with the trackball 2. Select type of heading sensor connected
and press the [ACQ/ENTER] key. to the radar; magnetic compass (for ex-
4. Select 23. Installation Setup menu with the ample, C-2000, PG-1000) or gyrocompass
trackball and press the [ACQ/ENTER] (requires AD-10 Gyro Converter).
key. 3. Press the [ACQ/ENTER] key.

[Installation Setup]
Select item by T-ball 4. Adjusting tuning, video amplifier
and press ENT key. input level
1. Nav Talker All GPS LC
2. Depth Unit m fa ft Do the following to automatically adjust tun-
3. Temp Unit ˚C ˚F ing and video amplifier level input.
4. Hdg Sensor Magnet Gyro
5. Key Beep Off On 1. Press the [STBY/TX] key to transmit.
6. Ant on Tx Rotate Stop
7. Dead Sector 180˚~180˚ 2. Select 8. Tune/Video Adjustment on the
8. Tune/Video Auto Adjustment
9. Heading Alignment
Installation Setup menu and press the
10. Sweep Timing Adjustment [ACQ/ENTER] key. The unit automati-
11. MBS Adjustment cally adjusts tuning and video amplifier
12. Ant Height Low Mid Hig input level, displaying the following mes-
13. STC Curve Sharp Std Gntl
14. Oper Mode
sage:
Master Slave
15. Hours in Use 000001.5H
16. Tx Hours 000000.0H

Figure 21 Installation Setup menu

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 6. Adjusting sweep timing
[Tune/Video Auto Adjustment]

Now under correction.

This adjustment ensures proper radar perfor-
mance, especially on short ranges. The radar
Return to installation setup measures the time required for a transmitted
menu after the correction. echo to travel to the target and return to the
Figure 22 Tune/video auto source. The received echo appears on the dis-
adjustment message play based on this time. Thus, at the instant
the transmitter is fired, the sweep should start
3. When adjustment is completed, the mes- from the center of the display (sometimes
sage disappears. called sweep origin).
A trigger pulse generated in the display unit
5. Aligning heading goes to the scanner unit through the signal
You have mounted the scanner unit facing cable to trigger the transmitter (magnetron).
straight ahead in the direction of the bow. The time taken by the signal to travel up to
Therefore, a small but conspicuous target dead the scanner unit varies, depending largely on
ahead visually should appear on the heading the length of the signal cable. During this pe-
marker (zero degrees). riod the display unit should wait before start-
ing the sweep. When the display unit is not
In practice, you will probably observe some adjusted correctly, the echoes from a straight
small bearing error on the display because of local object (for example, a harbor wall or
the difficulty in achieving accurate initial po- straight pier) will not appear with straight
sitioning of the scanner unit. The following edges – they will be seen as “pushed out” or
adjustment will compensate for this error. “pulled in” near the picture center. The range
of objects will also be incorrectly shown.
1. Identify a suitable target (for example, ship
or buoy) at a range between 0.125 to 0.25
nautical miles, preferably near the head-
ing marker. To lessen error, keep echoes
in the outer half of the picture by chang-
ing the range. Also, be sure the zoom and
off center functions are off.
(1) Correct (2) Target pushed (3) Target pushed
2. Select 9. Heading Alignment on the Instal- inward outward
lation Setup menu and press the [ACQ/
ENTER] key. The following message ap-
pears: Figure 24 Examples of improper and
correct sweep timing
[Heading Alignment]
Set EBL1 to center of target 1. Transmit on the shortest range and con-
dead ahead and press ENTER. firm that the [GAIN] and [A/C SEA] con-
Correction 0.0° trols are properly adjusted.
<Press MENU for inst setup> 2. Visually select a target which forms a
straight line (for example, harbor wall,
Figure 23 Heading alignment message straight pier).
3. Operate the trackball to bisect target se- 3. Select 10. Sweep Timing Adjustment on
lected at step 1 with the heading marker. the Installation Setup menu and press the
4. Press the [ACQ/ENTER] key. [ACQ/ENTER] key. The following mes-
sage appears:
5. As a final test, move the boat towards a
small buoy and confirm that the buoy
shows up dead ahead on the radar when it
is visually dead ahead.

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 8. Entering scanner height
[Sweep Timing Adjustment]
Use T-ball to straighten
target and press ENTER key.
The STC effect changes with respect to scan-
ner height above the waterline. Enter scanner
Correction 0.000 nm height above the waterline to optimize the
<Press MENU for inst setup>
STC effect.

Figure 25 Sweep timing adjustment message 1. Select 12. Ant Height on the Installation
Setup menu and press the [ACQ/ENTER]
4. Operate the trackball to straighten the tar- key.
get selected at step 2, and then press the
[ACQ/ENTER] key. 2. Select scanner height above the waterline;
Low (3 m or less), Mid (3 to 6 m) or High
(6 to 10 m).
7. Adjusting MBS (Main Bang
3. Press the [ACQ/ENTER] key.
Suppression)
Main bang, a large filled circle which appears 9. Selecting STC curve
at the display center on short ranges, can be
suppressed as follows: The STC effect changes with respect to the
scanner height above the waterline. The de-
1. Transmit on long range about 10 minutes. fault STC curve can be maintained in most
2. Adjust the gain to show a small amount of cases. If necessary the STC curve can be
noise on the display. changed as follows:
3. Change to the 0.125 nautical mile range 1. Select 13. STC Curve on the Installation
and adjust the [A/C SEA] control. Setup menu and press the [ACQ/ENTER]
key.
4. Select 11. MBS Adjustment on the Instal-
lation Setup menu and press the [ACQ/ 2. Select STC curve desired;
ENTER] key. The following message ap- Sharp: The effective range of the [A/C
pears: SEA] control is relatively short.
Std: Between Sharp and Gentle.
[MBS Adjustment]
Set value by T-ball
Gntl (Gentle): The effective range of
and press ENTER key. the [A/C SEA] control is relatively long.
Correction 000
3. Press the [ACQ/ENTER] key.

<Press MENU for inst setup>

Figure 26 MBS adjustment message

5. Operate the trackball to suppress main
bang (adjustment range: 000 to 025).
6. Press the [ACQ/ENTER] key.

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 10. Setting a dead sector
When the scanner is installed at a close dis- DANGER
tance in front of the wheelhouse, the radar ELECTRICAL SHOCK HAZARD
should be set not to transmit within that area,
to prevent microwave hazard. This check is done with the
power on — DO NOT touch
1. Select 7. Dead Sector on the Installation the magnetron.
Setup menu and press the [ACQ/ENTER]
key.
2. Operate the trackball to enter starting point Magnetron
of sector (in figures).
Four screws
3. Press the [ACQ/ENTER] key.
4. Operate the trackball to enter ending point
of sector (in figures). J
ß

5. Press the [ACQ/ENTER] key.

Note: The dead sector graphic can be turned
on/off on the OTHERS menu. For further de-
tails, see the Operator’s Manual.
Figure 28 Scanner unit, cover opened
4. Connect a multimeter, set to 10 VDC
range, between test point J825#4 and
J825#6(GND) on the RTB Board
(03P9249).

Measure voltage
at this connector
(J825).

Dead
sector
Figure 27 Dead sector
Figure 29 Scanner unit, cover removed
11. Checking magnetron heater 5. Confirm the meter reads 7.6 V ±0.1 V.
voltage
6. Close the scanner cover and tighten the
Magnetron heater voltage is formed on the cover fixing screws.
MD Board (03P9235) of the scanner unit, and
is preadjusted at the factory for use with any
length of signal cable. Therefore no adjust-
ment is required. However, check magnetron
heater voltage as follows:
1. Turn on the radar and leave it in stand-by.
2. Open the scanner cover.
3. Unfasten four screws to remove the RF
section cover.

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 ARP-10 INSTALLATION

Necessary Parts Installation

The Auto Plotter ARP-10 is an optional cir- 1. Unfasten six screws to remove the display
cuit board which is accommodated in the dis- unit cover.
play unit of the FR-7062 to provide manual 2. Mate connector J107 on the SPU Board
or automatic acquisition of 10 radar targets. with connector P107 on the ARP-10
ARP-10 Installation Kit (000-086-852) Board.
3. Fix the ARP-10 Board with three pan head
Part Type Code No. Qty screws (supplied).
ARP-10
18P9007 008-476-930 1
Board
FRONT
Spacer SQ-20 000-801-650 3
Pan Head
Spring M3 Screw
000-864-204 3 P107
Washer C5191W w/washer
3x8 REAR
Pan Head M3 X 8 3 pcs.
000-881-404 3
Screw C2700W
ARP-10 Board J107
Pan Head 18P9007
3X8
Screw 000-805-774 3 SPU Board
SWRM10
w/washer SPU9211B
Figure 30 How to install the ARP-10
Note: Spacers, spring washers and pan head
screws are not used.
In addition to the ARP-10 Board, a heading
sensor which outputs heading data in AD for-
mat in 25 msec intervals (for example,
FURUNO PG-1000) is required.

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 Adjustments 4. Adjust the GAIN, A/C and A/C RAIN con-
trols so FE-DATA1 and FE-DATA2 indi-
1. Turn on heading and speed sensors. Turn cations on the ARP-10 TEST show less
on the radar and transmit. than 1,000. Also, raise/lower the gain
while watching the FE-DATA1 and FE-
2. Press the [MENU] key and select OTH- DATA2 indications. Confirm that the FE-
ERS menu. DATA1 and FE-DATA2 indications rise/
3. Select 22. Self Test and press the [ACQ/ lower according to GAIN control adjust-
ENTER] key. Confirm that the ARP-10 ment.
test results show OK for SPEED,
COURSE, TRIGGER, VIDEO, BP and
HP.

[ Self Test ]
Key test: Press each key and
check on-screen indication
lights.
ARP-10 TEST
ROM OK 18590271xx
RAM OK
SPEED OK NAV 0.0KT
COURSE OK 167.6°
TRIGGER OK
VIDEO OK
BP OK
HP OK
MIN-HIT 0003
SCAN-TIME 0854
MAN-ACQ 00
AUTO-ACQ 00
FE-DATA1 0000
FE-DATA2 0000

Program No. : 0359146-1XX

ROM : OK
RAM : OK
Hours in use : 000006.9H
Tx hours : 000001.1H

<Press MENU for OTHERS menu.>

Figure 31 Self test display

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