Furuno FR-2125V User Manual
Installation Manual
MARINE RADAR FR-2125V
SAFETY INSTRUCTIONS ......................................................i
SYSTEM CONFIGURATION ............................................... iii
EQUIPMENT LISTS.................................................................iv
MOUNTING
1.1 Antenna Unit .................................................................... 1-1
1.2 Display Unit...................................................................... 1-5
WIRING
2.1 Antenna Unit .................................................................... 2-1
2.2 Display Unit...................................................................... 2-5
2.3 Changing AC Power Specification................................. 2-12
INITIALIZA TION AND ADJUSTMENT
3.1 Tuning Initialization .......................................................... 3-1
3.2 Accessing Menus for Initialization and Adjustment.......... 3-1
3.3 Adjusting Video Signal Level ........................................... 3-1
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 Initial Setting Menus ........................................................ 3-5
INSTALLATION OF OPTIONAL EQUIPMENT
4.1 Gyro Converter GC-8....................................................... 4-1
4.2 ARP Board ARP-26.......................................................... 4-8
4.3 RP Board RP-26 ............................................................ 4-10
4.4 Performance Monitor PM-30.......................................... 4-15
4.5 Alarm Kit ........................................................................ 4-16
4.6 AC-DC Conversion Kit ................................................... 4-18
4.7 Connection of Rate-of-Turn Signal ................................ 4-19
4.8 V-Console Kit ................................................................. 4-20
PACKING LISTS.................................................................... A-1
OUTLINE DRA WINGS........................................................D-1
INTERCONNECTION DIAGRAM................................... S-1
SCHEMATIC DIAGRAMS.................................................. S-2
9-52 Ashihara-cho,9-52 Ashihara-cho,
A
A
*00080875300**00080875300*
*00080875300**00080875300*
*IME34710K00**IME34710K00*
Nishinomiya, JapanNishinomiya, Japan
Telephone :Telephone : 0798-65-21110798-65-2111
Telefax :Telefax : 0798-65-42000798-65-4200
Your Local Agent/DealerYour Local Agent/Dealer
ll rights reserved.
ll rights reserved.
PUB.No.PUB.No. IME-34710IME-34710-K-K
(( TENITENI ))
FR-2125VFR-2125V
Printed in JapanPrinted in Japan
FIRST EDITION :FIRST EDITION : APR.APR. 19991999
K :K : JAN.JAN. 08,200208,2002
* 0 0 0 8 0 8 7 5 3 0 0 ** 0 0 0 8 0 8 7 5 3 0 0 *
*IME34710K00**IME34710K00*
* I M E 3 4 7 1 0 K 0 0 ** I M E 3 4 7 1 0 K 0 0 *
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
V5212-RF
2
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FA02NX
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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.
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.
Water in the display unit can result in fire,
electrical shock or equipment damage.
i
WARNING
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.
Observe the following compass safe
distances to prevent deviation of a
magnetic compass:
Standard
compass
Display Unit 1.40 m 1.05 m
Antenna Unit 2.15 m 1.60 m
Steering
compass
ii
SYSTEM CONFIGURATION
ANTENNA UNIT
XN12AF-RSB-0074-063
XN12AF-RSB-0075-063
XN20AF-RSB-0074-063
XN20AF-RSB-0075-063
XN24AF-RSB-0074-063
XN24AF-RSB-0075-063
DISPLAY UNIT
RDP-126
ARPA
ARP-26*
Gyrocompass
Navigator
Speed Log
Option
IEC-61162-1 Serial Data
(Input/Output)
IEC-61162-1 Serial Data
(Input)
* Not available for statute
mile-(SM) type radar.
Ship's Mains
24-32 VDC
or
100-115/220-230 VAC
1f, 50/60 Hz
Gyro Converter
GC-8
Video Plotter
RP-26*
Alarm Kit
DC spec
Rectifier
RU-3424
Slave Display
FMD-8010
Performance
Monitor
PM-30
AC spec
Transformer Unit
RU-1803
440 VAC
1f, 50/60 Hz
AC spec or DC spec to be selected.
iii
Standard Supply
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EQUIPMENT LISTS
360-4700BSR-FA21NX—
360-5700BSR-FA21NX— 10242-30PC,mm0021,mpr24
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01521-30PS193-980-000
00191-30PC393-980-000
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slairetaM
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01191-30PC493-980-000
02191-30PC593-980-000
01170-30PF535-980-000
05560-30PF735-980-000
360-4700BSR-FA02NX— 10191-30PC,mm0002,mpr42
1
360-5700BSR-FA02NX— 10191-30PC,mm0002,mpr24
360-4700BSR-FA42NX— 10191-30PC,mm0042,mpr42
360-5700BSR-FA42NX— 10191-30PC,mm0042,mpr24
1
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60521-30PS,10521-30PS
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,)tinuyalpsiD(50191-30PC
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iv
Optional Equipment
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tinUremrofsnarT8571-UR614-030-000CAV022/011/001roF
tinUremrofsnarT3081-UR024-030-000CAV044roF
reifitceR4243-UR794-030-000
rotinoMecnamrofreP
tiKnoitallatsnI
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*rettolPoediV
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tiKmralA651-30PO056-005-800
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051-30PO094-584-800
E2-T-62-PR015-584-800
E2-Z-62-PR025-584-800daehlortnocepytetarapesroF
751-30PO036-005-800
42-161-30PO067-994-800tinuannetnampr42roF
24-161-30PO077-994-800tinuannetnampr24roF
* Not available with statute mile (SM)-type radar.
v
1.1 Antenna Unit
Mounting considerations
• The antenna unit is generally installed either on top of the wheelhouse or on
the radar mast, on a suitable platform. Locate the antenna 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 antenna 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 antenna 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 antenna 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 antenna unit.
Observe the following compass safe distances to prevent deviation of a magnetic compass: Standard compass, 2.15 m, Steering compass, 1.60 m.
• Do not paint the radiator aperture, to ensure proper emission of the radar waves.
• The signal cable run between the antenna and the display unit 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 antenna base is made of cast aluminum. To prevent electrolytic corrosion
of the antenna base, use the seal washers and corrosion-proof rubber mat.
• 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 antenna 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
antenna unit outline drawing for recommended maintenance space.
1-1
Assembling the antenna unit
The antenna unit consists of the antenna radiator and the antenna unit chassis,
and they are packed separately. Fasten the antenna radiator to the antenna unit
chassis as follows:
1. For the XN20AF, XN24AF, attach two guide pins to the underside of the an-
tenna 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
guide pin
5 mm
O-ring
Hole for
guide pin
Anticorrosive sealant
Figure 1-2 Coating the waveguide flange with anticorrosive sealant
4. Coat fixing holes for the antenna radiator with anticorrosive sealant.
5. Grease the O-ring and set it to the O-ring groove of the radiator flange.
6. Set the antenna radiator to the radiator bracket.
7. For the XN20AF, XH24AF, coat hex bolts (M8X40, slotted washer head, 8
pcs.) with anticorrosive sealant and use them to loosely fasten the antenna
radiator to the antenna unit chassis. For the XN12AF , coat hex bolts, flat washers and spring washers with anticorrosive sealant and use them to loosely fasten the antenna radiator to the antenna unit chassis.
8. For the XN20AF, XN24AF, 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
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 antenna unit to the mounting platform
The antenna unit may be assembled before hoisting it to the mounting platform.
However, do not hoist the antenna unit by the radiator. Always hoist the unit by its
housing. When using a crane or hoist, hoist the unit by the hoist rings which should
be fastened to the bolt fixing covers of the antenna housing.
CAUTION
DO NOT hoist the antenna unit by the
radiator; lift it by the hoist rings. (Be sure to
remove rings after hoisting the antenna unit.)
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.
NO!
3. Lay the rubber mat (supplied) on the mounting platform.
1-3
4. Place the antenna 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 Antenna unit, front view
5. Fasten the antenna 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. Connect the ground
wire (RW-4747, 340 mm, supplied) between the grounding point and ground
terminal on the antenna 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
Hex bolt
Spring washer
Spring washer
Hex nut
OR
Hex nut
Spring washer
Flat washer
Hex bolt welded to
ship's superstructure
Ground
wire
CAUTION
Ground the equipment to
prevent electrical shock
and mutual interference.
Figure 1-5 How to mount the antenna 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 of
the board 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 away 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 antenna 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, 1.40 m, Steering compass, 1.05 m.
Mounting procedure
Control Head
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 four M10 bolts 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
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.
Stay
Figure 1-8 Display unit, inside view
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).
You cannot fasten the display unit at the rear fixing holes while the monitor is
raised.
7. Retract the stay and lower the monitor. Pull the monitor toward you by the
handle at the front of the display unit until you hear a click.
8. The rear left fixing hole is hidden under the PTU board cover. Remove the
cover as follows:
(1) Unfasten three M4X8 screws to remove the lead-in cover (V) which hides
the PTU section. Slide the cover to remove it.
REAR SIDE
Pan-head Screw
M4X8, 4 pcs.
Lead-in Cover (V)
Figure 1-11 How to remove the lead-in cover
1-7
(2) Unfasten five M3X8 screws at the top of the PTU board cover and two
M4X8 screws at the front of the PTU cover. Slide the PTU board cover
forward.
Fixing hole (rear)
*Screw
(M3X8, 5 pcs.)
Slide forward
J106
J105
J104
J103
*
Knob
Screw (M4X8, 2 pcs.)
Fixing hole (front)
J446
J466
J462
J465
*
*
*
Figure 1-12 How to dismount the PTU cover
(3) Remove the cover by grasping the knob on the top of the cover.
10.Use M10 bolts, nuts and flat washers to fix the display unit at the rear mounting
holes, using the pipe box spanner (supplied).
11.Close the PTU board cover.
12.Push the monitor forward until you hear a click.
13.Refasten the bolts removed at step 3.
14. Fasten the left and right arm covers with M4X10 screws.
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).
Separate type control head kit (Type: OP03-157, Code No.: 008-500-630)
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Display unit modification procedure
1. Raise the monitor unit and fix it with the stay. Refer to procedure for tabletop
mounting on page 1-5.
2. Inside the display pedestal, 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. Retract the stay to lower the monitor.
4. Unfasten eight binding screws (M4X8) to dismount the top cover 1, right cover
2 and left cover 3.
5. Loosen three screws (M4X10) fixing the left maintenance cover (4). Slide the
cover to dismount it.
6. Loosen four screws (M4X10) fixing the lead-in cover (5) at the rear of the
display pedestal. Slide the cover to dismount it.
Top Cover (1)
Binding Screw
M4X8, 2 pcs.
Left Cover (3)
Push in direction
of arrow
Pan-head Screw
M4X10, 3 pcs.
Touching inside
of CRT panel
A
Left Maintenance Cover (4)
A EXPLODED VIEW
Binding Screw
M4X8, 4 pcs.
Lead-in Cover (5)
Pan-head Screw
M4X10, 4 pcs.
Push in
direction of
arrow.
(Do same on
other side.)
Left Cover (2)
Binding Screw
M4X8, 2 pcs.
Figure 1-13 How to dismount covers
7. At the left side of the monitor, unfasten the clamp which fixes the control head
cable.
8. At the rear of the display pedestal, fasten the clamp which fixes the control
head cable.
1-10
Monitor
Control Head Cable
J582
J581
Remove clamp from rear side
Remove clamp
from left side
Figure 1-14 Clamp position
11.Unfasten four upset screws (6) at the bottom of the right and left KB arms to
dismount the control head.
12.Unfasten three screws (M4X10) and two screws (M4X8) to remove the right
lower cover (7) and the left lower cover (8).
Pan-head Screw (M4X10, 3 pcs., upper)
Binding Screw (M4X8, 2 pcs., lower)
Clamp
Left Lower Cover (8)
Control Head
Upset Screw (6)
(M5X25, 4 pcs.,
including those on
opposite side)
Right KB Arm
Right Lower Cover (7)
Pan-head Screw (M4X10, 3 pcs., upper)
Binding Screw (M4X8, 2 pcs., lower)
Figure 1-15 Display unit, front view
1-11
13.Unfasten three screws (M5X25) to remove the right KB arm (9) and the left KB
arm (q0).
14.Unfasten one screw (M4X10), two screws (M5X12) to dismount the panel cover
(q1).
15.Fasten the two upset screws (M5X12) unfastened at step 14 at the front bottom
of the control head.
Left KB Arm (11)
Screw
M5X25, 3 pcs.
Pan-head Screw
M4X10
Control Head
Panel Cover (10)
Push up
to fix
Figure 1-15 Detaching the control head
Screw
M5X12, 2 pcs.
Right KB Arm (9)
Screw
M5X25, 3 pcs.
Screw
M5X25 (4 pcs.,
incl. those on
opposite side)
1-12
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.
4. Replace the cable assy. with cable assy. UL2464SB2-0P/1P (10 m, supplied)
as below and reassemble the control head.
KB Fixing Plate
Screw
M4X8 (8 pcs.)
P312 FX Connector
KB BOTTOM
PLATE
Upset Screw
M6X12 (2 pcs.)
Handle
KB Clamp
Replace with
cable assy. in
kit.
J314 (underside)
J312 (underside)
Earth Wire
Spacer
Pan-head Screw M4X8 (2 pcs.)
Be careful not to pinch cable between
KB clamp and spacer.
Figure 1-16 Control head
J317 (underside)
P314 XH3P
Lay cable in slot.
1-13
Wiring between display unit and control head
1. Fasten the handle to the supplied handle plate (V), using the screws formerly
used to fixed the handle.
2. Using two upset screws (M5X10, supplied), fasten the handle plate (V) to the
location shown in Figure 1-17.
Handle Plate (V)
DOWN
Handle
Upset Screw
2 pcs.
Insert handle
plate (V) here.
Figure 1-17 Attaching the handle plate (V)
3. Pull the monitor forward.
4. Lead in the control head cable through the cable clamp at the rear of the display unit. See pages 2-9 and 2-10 for location of cable clamp.
5. Raise the monitor and fix it with the stay. (See page 1-5 for instructions.) Inside
the display unit, plug in two connectors and fasten two ground wires. See Figure 1-12 for location.
6. Retract the stay to lower the monitor.
7. Fasten two bolts (M10) at the front of the display unit. For location see step 3 on
page 1-5.
8. Attach the monitor cover (supplied) to the handle plate with two M4X8 binding
screws (supplied).
9. Attach right and left lower covers, left maintenance cover , right and left covers,
lead-in cover, top cover, and right and left arm covers in that order.
1-14
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 TOP VIEW
Figure 1-18 How to attach KB fixing plate
11.Set dust cover KB (supplied) on the control head.
CONTROL HEAD
SIDE VIEW
KB Fixing
Plate
φ6.5
Tapping
Screw
M5X25
Upset
Screw
1-15
2.1 Antenna 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 antenna 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 Antenna unit, front view
2-1
4. Unfasten the four fixing bolts on the cable gland at the base of the antenna unit.
Remove clamping ring, rubber gasket and washers.
From left: Clamping ring,
washer, rubber gasket
and washer
Signal cable
Figure 2-2 Antenna unit, front view, cover removed
5. Pass the signal cable through the cable entry hole in the antenna 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.
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
shield to ground terminal in the transceiver module.
2-2
12.If the antenna unit 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 67891011121314
15 16171819 20 212223 24 25 26 2728
Figure 2-4 Antenna unit, front view
13.Confirm that all screws are tightened and all wiring is properly made. Coat
waterproofing gasket, bolts and tapping holes of antenna unit with silicone
grease. Check that the waterproofing gasket is seated as shown in Figure 2-5.
Close the antenna 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
VINYL SHEATH
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 cables with cable ties.
Note: There are two types of EMI cores, thick
and thin.
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.
Less than
100 mm
500mm
450 mm
70-130 mm
6 mm
Inner shield
Cable tie
Outer cores
Inner cores
Coax cable
= EMI cores
Outer cores: (RFC-13) thick
Inner cores: (RFC-10) thin
Crimp-on lug
(FV1.25-M3,
Red, φ3)
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
2C-2V
75 mm
50 mm
45 mm
Cut here
6 mm
Fold four times
Crimp-on lug
(FVD1.25-3,
Red, φ3)
Crimp-on lug
(FV1.25-3,
Red, φ3)
Figure 2-6 How to fabricate
signal cable S03-75
2.2 Display Unit
Two cables are terminated at the display unit: the signal cable S03-75 and the
power cable. The signal cable comes with a connector preattached to it for connection to the display unit. Fabricate the power cable as shown on the next page.
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 in AC
Powered Display Unit
POWER Switch
J106
J105
J104
J103
J446
J466
J462
J465
Display unit, inside view
2-5
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