Furuno FR-2115, FR-2125 User Manual
MARINE RADAR
MODEL
FR-2115/2125
(
C
9-52, Ashihara-cho,
Nishinomiya, Japan
Telephone: 0798-65-2111
Telefax: 0798-65-4200
All rights reserved.
Printed in Japan
PUB. No. IME-34640-M
TENI)
FR-2115/2125
Your Local Agent/Dealer
FIRST EDITION : JUL. 1998
M : OCT. 11, 2001
SAFETY INSTRUCTIONS
WARNING
Radio Frequency Radiation
Hazard
The radar antenna emits electromagnetic
radio frequency (RF) energy which can be
harmful, particularly to your eyes. Never
look directly into the antenna aperture from
a close distance while the radar is in
operation or expose yourself to the transmitting antenna at a close distance.
Distances at which RF radiation levels of
100 and 10 W/m
table below.
Note: If the antenna unit is installed at a
close distance in front of the wheel house,
your administration may require halt of
transmission within a certain sector of
antenna revolution. This is possible—Ask
your FURUNO representative or dealer to
provide this feature.
ledoM
5112-RF
5212-RF
2
exist are given in the
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WARNING
Do not open the equipment
unless totally familiar with
electrical circuits and
service manual.
ELECTRICAL
SHOCK
HAZARD
Construct a suitable service platform
from which to install the antenna unit.
Serious injury or death can result if someone falls from the radar antenna mast.
Turn off the power at the mains switchboard before beginning the installation.
Fire, electrical shock or serious injury can
result if the power is left on or is applied
while the equipment is being installed.
Do not install the display unit where it
may get wet from rain or water splash.
Water in the display unit can result in fire,
electrical shock or equipment damage.
Only qualified personnel
should work inside the
equipment.
Wear a safety belt and hard
hat when working on the
antenna unit.
Serious injury or death can
result if someone falls from
the radar antenna mast.
i
WARNING
POWER Switch in AC
Be sure that the power supply is
compatible with the voltage rating of
the equipment.
Connection of an incorrect power supply
can cause fire or equipment damage. The
voltage rating of the equipment appears
on the label above the power connector.
Use only the specified power cable.
Fire or equipment damage can result if a
different cable is used.
CAUTION
Ground the equipment to
prevent electrical shock and
mutual interference.
Powered Display Unit
The display unit designed to run on AC
power has a power switch inside its
base which cuts off 100/200 VAC power
to the display unit. Pull the display unit
forward several centimeters to access
the switch. TURN THE SWITCH OFF
(as well as the main POWER switch)
WHENEVER ACCESSING INSIDE THE
DISPLAY UNIT.
POWER Switch
J106
J105
J104
J103
Observe the following compass safe
distances to prevent deviation of a
magnetic compass:
Steering
compass
Display
Unit
Scanner Unit
(2115)
Scanner Unit
(2125)
Standard
compass
1.70 m 0.90 m
1.70 m 1.90 m
2.10 m 1.20 m
J446
J466
J462
J465
Display unit, inside view
ii
TABLE OF CONTENTS
EQUIPMENT LISTS............................................................................iv
SYSTEM CONFIGURATION...............................................................vi
MOUNTING
1.1 Scanner Unit ............................................................................................................. 1-1
1.2 Display Unit ............................................................................................................... 1-5
WIRING
2.1 Scanner Unit ............................................................................................................. 2-1
2.2 Display Unit ............................................................................................................... 2-6
2.3 Changing AC Power Specification for Display Unit ................................................. 2-12
INITIALIZATION AND ADJUSTMENT
3.1 Tuning Initialization.................................................................................................... 3-1
3.2 Accessing Menus for Initialization and Adjustment ................................................... 3-1
3.3 Adjusting Video Signal Level..................................................................................... 3-2
3.4 Heading Alignment .................................................................................................... 3-2
3.5 Adjusting Sweep Timing............................................................................................ 3-3
3.6 Suppressing Main Bang ............................................................................................ 3-3
3.7 Confirming Magnetron Heater Voltage...................................................................... 3-4
3.8 Initual Setting Menu .................................................................................................. 3-5
INSTALLATION OF OPTIONAL EQUIPMENT
4.1 Gyro Converter GC-8 ................................................................................................ 4-1
4.2 ARP Board ARP-26 ................................................................................................... 4-7
4.3 RP Board RP-26...................................................................................................... 4-10
4.4 Performance Monitor PM-30 ................................................................................... 4-14
4.5 Alarm Kit.................................................................................................................. 4-15
4.6 AC-DC Conversion Kit ............................................................................................ 4-17
PACKING LISTS........................................................................................................ A-1
OUTLINE DRAWINGS............................................................................................D-1
INTERCONNECTION DIAGRAM ...................................................................... S-1
SCHEMATIC DIAGRAMS ..................................................................................... S-2
iii
Standard Supply
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EQUIPMENT LISTS
260-4700BSR-FA21NX—
260-5700BSR-FA21NX—
260-4700BSR-FA02NX—
260-5700BSR-FA02NX—
260-4700BSR-FA42NX—
rennacS
tinU
260-5700BSR-FA42NX—
1
360-4700BSR-FA21NX—
360-5700BSR-FA21NX—
360-4700BSR-FA02NX—
360-5700BSR-FA02NX—
360-4700BSR-FA42NX—
360-5700BSR-FA42NX—
10242-30PC
10242-30PC
10191-30PC
10191-30PC
10191-30PC
10191-30PC
10242-30PC
10242-30PC
10191-30PC
10191-30PC
10191-30PC
10191-30PC
,mm0021,mpr42,5112-RF
,mm0021,mpr24,5112-RF
,mm0002,mpr42,5112-RF
,mm0002,mpr24,5112-RF
,mm0042,mpr42,5112-RF
,mm0042,mpr24,5112-RF
,mm0021,mpr42,5212-RF
,mm0021,mpr24,5212-RF
,mm0002,mpr42,5212-RF
,mm0002,mpr24,5212-RF
,mm0042,mpr42,5212-RF
,mm0042,mpr24,5212-RF
tinUyalpsiD421-PDR—1
00521-30PS093-980-000
straPerapS
01521-30PS193-980-000sniams'pihsCAV001
1
sniams'pihsCD
iv
Standard Supply
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00191-30PC393-980-000
01191-30PC493-980-000
02191-30PC593-980-000
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slairetaM
03191-30PC693-980-000
04191-30PC793-980-000
05191-30PC893-980-000
01560-30PF004-980-000
seirosseccA
05560-30PF674-980-000
,)tinurennacS(40191-30PC
,)tinuyalpsiD(30191-30PC
51-57-30S
)elbaclangism51(
,)tinurennacS(40191-30PC
,)tinuyalpsiD(30191-30PC
02-57-30S
1
1
03-57-30S
51-47-30S
)elbaclangism51(
02-47-30S
03-47-30S
,20560-30PF,10260-30PF
,30560-30PF
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,30560-30PF
,40560-30PF
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)8331-441-30(TRCrevoctsuD
Optional Equipment
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hctiwsretnI7-JR—
hctiwsretnI8-JR—
rotinoMecnamrofreP03-MP— radarOMIrofyrotadnaM
tinUremrofsnarT8571-UR614-030-000CAV022/011/001roF
tinUremrofsnarT3081-UR024-030-000CAV044roF
reifitceR4243-UR794-030-000
rotinoMecnamrofreP
tiKnoitallatsnI
APRAE2-62-PRA005-584-800
rettolPoediV
yalpsiDevalS0108-DMF—
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tiKmralA651-30PO056-005-800
tiKnoisrevnoCCD-CA42-161-30PO067-994-800annetnampr42
tiKnoisrevnoCCD-CA24-161-30PO077-994-800annetnampr42
tinUecafretnI0032-FI— radarOMIrofyrotadnaM
051-30PO094-584-800
E2-T-62-PR015-584-800
E2-Z-62-PR025-584-800
151-30PO035-584-800
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v
SYSTEM CONFIGURATION
SCANNER UNIT
FR-2115: XN12AF-RSB-0074-062
XN12AF-RSB-0075-062
XN20AF-RSB-0074-062
XN20AF-RSB-0075-062
XN24AF-RSB-0074-062
XN24AF-RSB-0075-062
FR-2125: XN12AF-RSB-0074-063
XN12AF-RSB-0075-063
XN20AF-RSB-0074-063
XN20AF-RSB-0075-063
XN24AF-RSB-0074-063
XN24AF-RSB-0075-063
Navigator
Speed Log
Gyrocompass
Option
IEC-61162-1 Serial Data
(Input/Output)
IEC-61162-1 Serial Data
(Input)
Ship’s Mains
24/32 VDC
or
100/110/115/220/230 VAC
1
DISPLAY UNIT
Gyro Converter
Video Plotter
φ, 50/60 Hz
RDP-124
ARPA
ARP-26
GC-8
RP-26
DC spec
Rectifier
RU-3424
Slave Display
FMD-8010
Performance
Monitor
PM-30
AC spec
Transformer Unit
RU-1803
440 VAC
φ, 50/60 Hz
1
AC spec or DC spec to be selected.
vi
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 (c) Radar mast
• 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.
MOUNTING
Figure 1-1 Mounting methods
• 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.
• T o 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 parallel 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-21 15), 2.10 m (FR-2125), Steering compass, 1.90 m (FR-2115), 1.20 m (FR-2125).
• 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 splicing 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 performance 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
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.
10 mm
Hole for
a guide pin
5 mm
O-ring
Hole for
a guide pin
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 anticorrosive 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
Antenna radiator
CAUTION
Waveguide
Radiator bracket
Guide pin
(XN20AF,
XN24AF
only)
O-ring
Hex bolt (M8X40), 8 pcs.
(XN20AF, XN24AF only)
Hex bolt (M8X35), 8 pcs.
Flat washer
Spring washer
(XN12AF only)
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.)
Hoist
ring
130cm
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.
NO!
3. Lay the rubber mat (supplied) on the mounting platform.
1-3
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, supplied) between the grounding point and
ground terminal on the scanner unit. Coat the entire ground system with silicone sealant (supplied).
Anticorrosive sealant
Seal washer
Rubber mat
Anticorrosive
sealant
Ground wire
Anticorrosive
sealant
Ground wire
Anticorrosive sealant
Ground
terminal
Antenna base
OR
Hex bolt welded to
ship's superstructure
Ground
wire
Hex bolt
Spring washer
Spring washer
Hex nut
Hex nut
Spring washer
Flat washer
CAUTION
Ground the equipment to
prevent electrical shock
and mutual interference.
Figure 1-5 How to mount the scanner unit
1-4
1.2 Display Unit
Before mounting the display unit
If Gyro Converter GC-8 (option) is to be used, install and setup the GYRO CONVERTER Board before mounting the display unit, because of the difficulty involved
in doing it after the display unit is installed. Instructions for installation and setup
are in Chapter 4.
Mounting considerations
When selecting a mounting location, keep in mind the following points:
• Select a location where the display unit can be viewed and operated conveniently and where the screen can be viewed while facing towards the bow.
• Locate the unit out of direct sunlight and way from heat sources because of
heat that can build up inside the cabinet.
• Locate the equipment away from places subject to water splash and rain.
• The display unit is very heavy. Be sure the mounting location is strong enough
to support the weight of the unit under the continued vibration which is normally
experienced on the ship. If necessary reinforce the mounting location.
• Determine the mounting location considering the length of the signal cable between the scanner unit and the display unit. (The signal cable comes in lengths
of 15, 20 or 30 meters; maximum 100 meters).
• 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 connectors.
• A magnetic compass will be affected if placed too close to the display unit.
Observe the following compass safe distances to prevent deviation of a magnetic compass: Standard compass, 1.70 m, Steering compass, 0.90 m.
Mounting procedure
Tabletop mounting
Two people are necessary to
complete this procedure.
1. Make four holes of 12 mm diameter in the mounting location
referring to the outline drawing
at end of this manual.
Left and right
arm covers
2. Unfasten the screws fixing the
right and left arm covers on the
control head.
3. Unfasten bolts (four total) hidden by the arm covers.
M4X10
Figure 1-6 Control head
1-5
4. While one person is holding the mounting base at the sides, pull the handle on
the underside of the control head to draw the display unit toward you until you
hear a click.
CAUTION
Use two people to complete
this step.
The display unit may fall to
the deck when it is pulled
forward, since the mounting
base is not yet fastened to
the mounting location.
Handle
Pull forward
Figure 1-7 Display unit
5. This step requires two people to complete. While raising the monitor until the
CRT is horizontal, fix the stay as follows:
a)Raise the stay as shown below.
Two warning labels on
the underside of monitor
HORIZONTAL
WARNING
Possibility of injury.
Hold handle when
mounting display unit.
WARNING
Display unit may fall.
Lock stay before
servicing.
Figure 1-8 Display unit, inside view
Stay
1-6
b)While pushing the stopper, set the catch on the display unit in the hole at the
front edge of the stay.
Stopper
Catch
Stay
Figure 1-9 Setting catch to hole in stay
c)Release hand from stopper.
Release stopper;
fix stay.
Figure 1-10 Stay fixed
6. Fasten the display unit to the mounting location at front fixing holes (2 points)
with M10 bolts, nuts and flat washers, using the pipe box spanner (supplied).
7. Retract the stay and lower the monitor.
8. The rear left fixing hole is hidden under the PTU board cover. Remove the
cover as follows:
(1)Unfasten five M3x8 screws at the top of the PTU cover and two M4x8 screws
at the front of the cover to slide the cover toward you.
1-7
(2)Remove the cover by grasping the knob on the top of the cover.
Fixing hole (rear)
J106
*Screw
(M3x8, 5 pcs.)
Slide forward
J105
J104
J103
Knob
*
*
*
Screw (M4x8, 2 pcs.)
Fixing hole (front)
J446
J466
J462
J465
*
Figure 1-11 How to dismount the PTU cover
9. Fasten the display unit to the mounting location at rear fixing holes (2 points)
with M10 bolts, nuts and flat washers, using the pipe box spanner (supplied)
10.Close the PTU board cover.
11.Push the monitor forward until you hear a click.
12.Refasten the bolts removed at step 3.
13.Fix the left and right arm covers.
Console type mounting
1. Make six holes of 15 mm diameter and a cable entrance hole through the deck
referring to the outline drawing at end of this manual.
2. Open the front cover.
3. Fix the equipment by using M12 bolts, nuts and washers.
4. Hoist the console to the deck by using the eye bolts attached to the console.
Remove the eye bolts and set the cosmetic caps (w/washers) to the eye bolt
holes.
1-8
Separating the control head
The control head connects to the display unit with a connection cable, thus it can
be located where desired, using the separate control head kit (option). Follow the
procedure on the next page to separate the control head from the display unit.
Separate type control head kit (Type: OP03-151, No.: 008-485-530)
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etalPgnixiFBK1961-441-301049-362-001
etalPeldnaH2361-441-301040-862-001
BKrevoCtsuD3961-441-301067-172-001
wercS01x4M3644-188-000
lebaL1101-300-681032-632-001
rebbuRpilsnoN4961-441-301067-172-001
Display unit modification procedure
1. Raise the monitor unit referring to procedure for tabletop mounting on page 1-
7.
2. Unplug two connectors from the control head cable (P412 from MOTHER Board
and J583 and unfasten two earth wires.
PTU COVER
Control Head
Cable
P412
J583
J418
Earth Wire
MB 03P9251
INT
03P9252
Figure 1-12 Display unit, inside view
1-9
3. Lower the monitor .
4. Unfasten the M4 screw fixing the ground terminal of the connection cable.
5. Push the monitor forward until you hear a click.
6. Unscrew four screws fixing the top cover of the display unit.
7. Remove three clamps fixing the connection cable in the monitor unit.
8. Unfasten four screws fixing the right and left brackets on the control head.
9. Unfasten four screws fixing the right and left covers of the display unit.
10.Unfasten six screws fixing the right and left KB arms.
11.Unfasten three screws fixing the panel cover.
KB arm (L)
03-144-1341
M5x25 SUS 3 pcs.
Panel cover
03-144-1345
M4x10, 3 pcs.
Control head
KB arm (R)
03-144-1342
M5x25 SUS 3 pcs.
M5x25 SUS 4 pcs.
Figure 1-13 Detaching the control head
Control head modification procedure
1. Unfasten eight screws (M4X8) on the underside of the control head. Unplug
connectors P314, P312 and P317 from the control head. Separate the KB bottom plate from the control head.
2. Unfasten the screw (M4) fixing the ground terminal and two screws (M4X8)
fixing the clamp. Remove the connection cable assy.
3. Unfasten two screws (M6X12) from the inside of the bottom plate of the control
head to dismount the handle.
1-10
4. Replace the cable assy. with cable assy. UL2464SB2-0P/1P (10 m, supplied)
as below and reassemble the control head.
5. Attach warning label to the bottom plate.
Attach warning label
Screw
M4X8 (8 pcs.)
P312 FX Connector
Lay cable in slot.
KB BOTTOM
PLATE
J317 (underside)
J314 (underside)
J312 (underside)
Earth Wire
Upset Screw
M6X12 (2 pcs.)
P314 XH3P
KB Clamp
Handle
Replace with
cable assy. in
kit.
Spacer
Pan-head Screw M4X8 (2 pcs.)
Be careful not to pinch cable between
KB clamp and spacer.
Figure 1-14 Control head
Connection of display unit to control head
1. Attach the handle to the handle plate, using the screws for the handle and
bottom cover of the control head.
2. Attach the handle plate to location where the KB arms were fastened.
3. Pull the monitor toward you until you hear click.
4. Lead in the cable assy . (option) from the rear entrance of the display unit. See
Chapter 2.
5. Raise the monitor and fix the stay.
6. Inside the display unit, fasten ground wire of the cable assembly with an M4
screw on the chassis.
1-11
7. Plug in two connectors of connection cable (P412, J583: See illustration on the
previous page.)
8. Lower the monitor .
9. Attach the monitor front cover (option) to the place the panel cover have been,
using the screw for the panel cover.
10.Attach rubber to feet to the bottom of the keyboard if the keyboard is not going
to be permanently fixed. To fix the keyboard to a desired location, fasten the KB
fixing plate to the keyboard and desired location with two upset screws (M5X25,
formerly used to fasten KB arms) and two tapping screws (φ6.5, local supply)
as below.
KB Fixing Plate
CONTROL HEAD
SIDE VIEW
KB Fixing
Plate
CONTROL HEAD TOP VIEW
φ6.5
Tapping
Screw
M5X25
Upset
Screw
Figure 1-15 How to attach KB fixing plate
11.Set dust cover KB (supplied) on the control head.
Attachment of hood
1. Set two spacers (supplied) to the lower two of the four M5 holes in the CRT
panel.
2. Screw two screws (supplied) into the holes in the hood.
3. Set the bottom of the hood to the screws at the bottom of the CRT panel, and
then fasten the two screws at the top of the hood to the CRT panel.
1-12
2.1 Scanner Unit
The magnetron in the transceiver module will demagnetize 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.
WIRING
CAUTION
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
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 S03-74), or
page 2-5 (signal cable S03-75).
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
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
Bow mark
1 2 345 6 7891011121314
15 16 171819 20 2122 23 2425 26 2728
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 waterproofing 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
Fabricating signal cable S03-75
1. Remove the vinyl sheath by 450 mm.
2. Slide the clamping ring, washer, rubber gasket 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.
4. Attach EMI cores to all inner cores and all
outer cores, and tie them with cable ties, etc..
Note:There are two types of the EMI core,
thick and thin.
under
100mm
VINYL SHEATH
450 mm
Inner shield
70-130mm
Cable tie
Outer cores
5. Trim each core (except coaxial wire) considering its location on the terminal board.
6. Trim the inner and outer shields leaving 500
mm each. Twist shields together and attach
crimp-on lug FV5.5-4 (blue, ø4).
7. Remove insulation of each core by about 6
mm. Fix crimp-on lug FV1.25-M3 (red, ø3) to
each core.
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.
2C-2V
500mm
Inner cores
Coax cable
= EMI cores
Outer cores : RFC-13 (thick)
Inner cores : RFC-10 (thin)
6 mm
Red (φ3)
Crimp-on lug (FV1.25-M3)
75 mm
Clamping
ring
Washers
Crimp-on lug
(FV5.5-5, Blue, φ4)
Rubber
gasket
Figure 2-7 How to ground
signal cable
S03-75
2-4
50 mm
45 mm
Cut here
6 mm
Fold four times
Red (φ3)
(FVD1.25-3)
Red (φ3)
(FVD1.25-3)
Figure 2-6 How to fabricate
signal cable
S03-75
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