Japan Radio NKE2102 Marine Radar User Manual Manual 3 of 4

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Document Description	Manual 3 of 4
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Date Submitted	2003-09-29 00:00:00
Date Available	2003-10-17 00:00:00
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Document Title	Manual 3 of 4
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2. Suspending the Sunner
The scanner is supplied assembled, with felt wound around the area where the suspension
rope will contact it. Engage the sling with the scanner as shown in the following figure.
Sunner Suspention
ACAUTION
supponed near the both ends of the radiator, you may damage the unit
If felt is not provided where the rope coniacis the scanner, or if the scanner is
Be sure to apply the rope to the antenna support
3. Paint
Apply necessarily paint on the fixing legs, bolts, nuts, etc. to prevent corrosion.
4. Magnetism
Place the scanner at least 3m away from the nautical instrumens such as the oompass or the
chronometer 170 protect these fiom the efl'ect of the magnetron inside the scanner,
114
9.2.3 Connection of cables to be assembled
1. Radome scanner unit (NKE-2042)
ASSEMBLING PROCEDURE FOR CABLE
All | p || n
®. 0 .@
®
. R.
Clu [he cable at shieldne! Tm m shieldrihbun
Tear m an or la a
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CII sniuldrihbon and leminzl clhle %
ll thn‘caqlezu lfllilm 1: Izla out _ v
a lsrmu n s at 55mg lm /y
1]! \ N! [ha uhle into nahlurand
115
ACAUTION
When mounting the scanner unit, please check the maximum length of the holding
bolts.
If the bolts are too long, it gives severe damage to inside of the scannen
When mounting the scanner unit, please use the attached bolts.
The mounting base thickness must not exceed 15mm (0.6inch).
Chess is
27mm(1406inch)
Radome base
Thickness mounting base
MAX15mm(U. Ginch)
Plain washer
ED Ruck washer
Stainless steel bolt
L=30(1.1Binch)
(attached)
[Z]
11le THE BOLTS BY USING A STANDARD WRENCH(LENGTH135mm)
(TORQUE 2DSaN—cm)
I16
2. Rotary scanner unit (NKE-20621NKE-2102)
Instruction for equipment
Tsar m this In
I. fill lhs uhle inln athlearalilishurs an! uskfl.
Tur my [he IzneA
lelknii shleldnal nnlmp H mm! mshen
“lulu in: cable. mnecl 5 bonlenlers.
If 0 e uhlu has Ihe lmlnal line. cnnml a Iminnl.
There are in castmml luninal "Isl
ur not uxisL
117
6.Bu|| lnlurlh plale lumnlbasund snlnlsr.
Annly silm: stalant arnund [he bulls
118
9.3 Installing an Indicator Unit
9.3.1 Specifying the installation position
&CAUTION
compass.
If a processing unit is installed in a position loo dose to a magnetic compass. it
0 Provide a distance of 1m or more between a processing unit and a magnetic
may aired lhe magnetic compass.
Install a processing unit in the location lhal is not skated by seawaten
The processing unit is not waterproof.
An indicator unit comprises the following three components.
Processing unit NDC’IZGO 1 Box of anA4 fize
Keyboard unit NOE-7640 3 Keyboard with knobs or keys
Display unit NWZ-146 5 LCD display unit that is packed separately from a processing unit
and a keyboard unit
9.3.2 Installation method
(8) Install an indicator unit in such a way that can he obselved by users easily.
(b) Install the indicator unit giving consideration to maintenance after installation.
119
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120
9.3.4 Signals of option connectors
GPS connector (J3)
' Tl: GPS or NMEAequipment
® ® (1) +12V 1 Power for GPS receiver
® (D (2) GND 1 Power GN'D for GPS receiver
® <3) NAVCOM : Signal GND
(4) NAV'RX I Input from mceiving signals from GPS
(5) NAVTX : Output of transmitting signals to GPS
Connector for GPS compassINSK equlpment (J5)
To GPS compass or NSK unit
@'@ <1) NSKTX- : Output ofreoeiving signals mini NSK+
® (2) NSKTX+ : Output ofreceiving signals from NSK-
@@® (3) NSKRX+ : Input of receiving signals from NSK+
(4) NSKRX’ 3 Input of receiving signals from NSK'
(5) GND I Power GN'D for N SK
(6) ALM+ : Diy contact output 1
(7) ALM- 1 Dry contact output 2
(8) +5V 3 Power for NSK (+5V)
Use the following plug connectors, P3 and P5, for J3 and J 5
Mar mom
P3 (for J3) LTWDOGBFFA-LISO 5JCDX00014
P5 (for J 5) LTWDOBBFFA—LIBO SJ CDX00015
12]
Connector for signal output to PC plotterINMEA equipment (JB)
To PC plotter or NMEA equipment
(9 (DNC 5Unused
G) (2) RSRXD : RXD signal input (reserved)
© (3) RS’I'XD iNMEA signal output
® (4) NC iUnused
@ (5) GND : Signal GND
(6) NC I Unused
® (7) RSRTS : RTS signal output (reserved)
(smsors iCTS signal input
(2) RSRXD and (7) RSRTS are used for special purposesl
NMEA signals are output fiom (3) RSTXD and RSZSZC output is set at short circuit between 1
and Z of power terminal block jumper TB}, and RS422 (NEMA0183) is set at short circuit
between 2 and 3. Th connect JB and a PC plotter (1182320 port), use a commexvial cross type
DSUB9'pin cable (for RSZ3ZC).
To connect JS to different NMEA equipment, also obtain a oommemial DSU'B9-pin connector.
In this case, make sure that the jumper of power terminal block TBI is set between 2 and 3
(RS422 level).
122
9.3.5 Installing and display unit
Display unit NWZ'146 is connected with two cables.
1. Setting vertically or horizontally
Adisplay unit can be installed vertically or horizontally
When changing the orientation of a display unit firom vextically to horizontally or vice versa,
remove the four small mews from the rear of the display unit and install it with the required
orientation as shown below.
L—
Horizontal Installation Vertical installation
(0: Brightness adjustment knob)
2. Connecting cables
Connect two cables from the processing unit.
One cable is used as a video cable and the other is used as a power cable. As shown in the
photograph below, insert the two cables at the rear of the display unit, tum the plugs until
they stop, and check dial: the cables do not come off even if they are pulled.
Connection on the display
unit side 2
Make sure that the cables do
not come ofi‘ even if they are
pulled.
123
Connect two cables from the processing unit
As shown in the photograph below, insert the power cable connector at the rear of the
processing unit and turn the plug until it stops, and check that the cable does not come off even
if it is pulled.
Connection 1 of the processing
unit:
Power cable
Check that the cable does not
come ofl' even if it is pulled.
bisext the signal cable at the rear of the processing unit, tum the two knobs with plugs until
they stop, and check that the cable does not come ofi‘ even if it is pulled.
Connection 1 of the processing
unit:
Signal cable
Afler inserting a sognal cable,
fix the cable firmly by turning
the knob of the cable until it
stops. Check that the cable
does not come ofi" even it is
pulled.
124
9.3.6 Installing a keyboard unit
A keyboard unit can be installed at any location within a distance of 5m with a processing unit
The cable is attached to the
keyboaxd unit.
Connecting a cable
Connect one cable to a processing unit
’[\nn the insertion plug at the rear of the processing unit to the full position and check that the
cable does not come off even if it is pulled.
Check that the cable does not
come off even if it is pulled.
125
9.3.7 Attaching a power cable (CFQ—6911-5)
A power cable of 5m length with a connector is attached to this radar equipment
5010.18
50/018
50/0418
50/0418
50/0.18
50/018
CFQ’6911'5 cable
Cable length 5m
Cable process method
1. Crimp three black cables
together.
2. Crimp three red cables
together in the same way
3. Crimp the shielding cable.
4. Install the red cables on
the + side of the ship‘s
power supply, the black
cables on the - side of the
ship's power supply, and
the shielding cable in the
bull's emthl
126
Inset cable CFQ-6911-5 into
prooessingunitJL
Caufion
. Incorrect connection between the shlp's power supply or the rectifier and the
power cable may cause an equipment failure.
Selecting a cable when a long power cable is required
Q The input voltage to an indicator is determined by subtracting the voltage drop up
to the power cable from the ship's power supply voltage.
Therefore, if the power cable is too thin or too long, the voltage drops substantially,
preventing the radar from functioning at its full capacity. Use the following
guideline for selecting a power cable
(8) Take the voltage fluctuation rate into consideration when determining a
voltage (Vs) value of the ship's power supply
(b) Use the following formula for calculating a voltage drop (V).
V=2LRKI
I Cable length
1 Direct (nu-rent resistance at 20‘C (film)
I Condch resistance temperature counting (=1.22)
1 Maximum peak current (A)
(c) Various cable direct current resistances (R) and allowable current (Imax)
“NFUF‘
R (20°C)
45°C oonfinuousl
CVV S2 x 1.25
CVVSZ x 2.0
CVVSZ x 3.5
Provide a sufficient extra current value to Imax when selecting cables.
127
9.3.8 Attaching a cable between a processing unit and a scanner unit
(CFO-691240130)
(8) Use this cable for connecting a processing unit and a scanner unit.
(b) Use a cable with the following connector for this radar equipment
camuengm meme
20m cam-691220 Standard
30m CFQ-6912-30 Option
Cable CFQ'6912'20/30
Connector on both sides
Insert cable CFQ'GQIZ’ZO/ao
in processing unit J 2
After inserting the cable, push the cable to the end
128
connection table of cable CFO-69124030
m Wire material Signal name
Blue thick, gray thick AWG16
Purple thick, brown thick AWG16
White think, orange thick AWGIG
Red thick, green thick AWGlG
Black thick, blue thick AWG 16
Black AWGZ2
Drain wire (manual) (drain wire:
Shielding braided shielding) AWG24
Yellow thick, pink thick AWG16
Coaxial cable core AWGZ4
Yellow AWG24 twisted pair
Green AWG24
White AWG24 twisted pair
Drain Wire (shielding) (dram Wire:
coaxial braided shieldinyL AWGZ“
Shielding wire core AWG24
Orange medium AWG22
Braided shielding Gram wn-e,
coaxial, dminwireshiel‘ -
* Cable shape: 14mm 1 0,5mm
—Caution
Q A cable is not connected to pin number 3, however, +12v ls output to the
processing unlt side. This voltage (+12V) is used when an external simulator is
connected.
The explanation up to this sectiun covers the method in standard configuration. The next section
describes cable attaching methods when optional equipment is connected
129
9.3.9 Connecting a GPS receiver and NMEA equipment
1. Connecting GPs receiverof JRC
A cable of a GPS receiver such as GPSlOO/DGPSZI2 can be connected by directly inserting the
cable to the J3 connector.
GPSlOO manufactured by JRC Insert a cable in J3 from GPS.
2. Connectan another manufacturer’s GPS receiver or NMEA data output equipment
When connecting NMEA data from the NMEA data output equipment of J'RC other than those
indicated above or other manufacturers GPS, use 6>pin connector P3 for J 3
(Ul'WDOfiBFFA-Llsol
Connect signal output to pin 4 from the NEMA equipment and signal return from the NMEA
equipment to pin 3.
Connect signal input from the
NEMA equipment to 4 pins of P3
Connect signal input return from
the NEMA equipment to 3 pins
Connector for attached NMEA data connect-inn fP3
P3 (LTWDOGBFFA’LISO)
130
Method of assembling and connecting P3 (LTWDOGBFFA—UBO) and P5 (LTWDOBBFFA-HW)
that are attached
THE INSTRUCTION FOR FIELD INSTALLATION CONNECTOR
no was
77
. my Mum»)
) Ass“! Mt”)
St» 1: Strip able shuth l insulltion. Step 5: mm lock nut a) mo cable, and then insert
o—rin; (6) ma» unmet»: body 6).
Unit : m fix
®
mun"
®\\ ®
10m ’
Step 2: [nun um cover (1) mo cable.
Solder conductors m allocated contuts. um
I \ sm- or install mm pm me connector
Q My <5).
®
Ste» 3: Insm ell-9 rinl ® into cahlm
® mum sm- vovcr win. hand tool (Optional) or
your mu while holding Ass’y tool (Option-1)
sup 4: lnsm m1 (3) into cable. ,
Q 2°
1.»
®
Ass'Y tool (up) halt: to ensure good locking
of son! cover into the connector body.
2. Ass’y lhnd Tools (cant I wrench) are sold
sgpnnuly.
131
3. NMEA0133 standard inputloutput sentences
QInput sentences
NORMAL INPUT
Global Positioning System Fix Data
Geographic Position - Latitude/longitude
Course Over Ground and Ground Speed
Recommended Minimum Specific GNSS Data
Bearing and Distanoe to Waypoint
Recommended Minimum Navigation Information
HIGH RATE INPIUT (Use only heading information)
Heading, Deviation and Variation
Heading - Magnetic
Heading - '1\rue
Water Speed and Heading
QOutput sentences
Global Positioning System Fix Data
Nwessary to connect the GPSIIZ or DGPSZIZ
Geographic Position - Latitude/longitude
Necessary to connect the GPSll2 or DGPSzlz
Recommended Minimum Specific GNSS Data
Nwessary to connect the GPSllZ or DGPSZIZ
Course Over Ground and Ground Speed
Necessary to connect the GPSIIZ or DGPS212
Own Ship Data
Radar System Data
Tracked Target Message
132
9.3.10 Connecting a GPS compass (JLR-10)
AMARPA unit, which is an optional unit, can be used by connecting GPS compass JLR-lO of JRC.
1. Using a dedicated cable
JLR-IO can be connected easily by using the CFQ-6934 dedinzated cable of J'RC. This cable
enables not only meiving of azimuth information from J'LR-10 but also receiving of longitude
and latitude information as NMEA datai
Photograph 1
JLR'lO/NSK unit dedicated
connection cable I
GHQ-6934
Photograph 2
Insert the 8’pin connector of
CFQ'6934 with CONH’AS
CRADAR) label attached to the
"RADAR" wnnmr of J'LR-10l
ncizvmv
133
Photograph 3
Insert the 6-pin connector of
CFQ-6934 with GPS (IND)
label attached to the connector
of processing unit J34
Insert the Spin connector of
CFQ-6934 with NSKGND) label
attached to the connector of
3} processing unit J54
Tb input NMEA data such as position information from the GPS equipment of JRC or a
difi‘erent manufacturer by acquiring azimuth data from JLR’lO, connect a cable from GPS
equipment using the connection method that is described in 9.349, ”Connecting a GPS receiver
and NMEA equipment" or using a reserved cable, P3. Do not use the cable fiom JLR-lO,
which is inserted in GPS(J3) input, as shown in Photograph 3
. When not uslng a dedicated cable
Tb connect azimuth information data from a GPS compass, use J 5 8-pin connector P5
(LTWDOQBFFA'LlSO) that is included in the main unit packager
See below for the connection method.
Signal name Connector '
Compass data input+
Compass data input-
Compass data output+
Compass data output—
GND
The above information is related to the connection of azimuth data for J'LR-lO only For
position information, use the method that is described in 9.349, ”Connecting a GPS receiver and
NMEAequipment".
134
9.3.11 Connecting an electromagnetic compass
Caufion
0 Make correctly connection between the output of ship's power and rectifier unlt,
and power cable.
If neither connection nor voltage Is right, it may cause an equlpment fallure.
Azimuth information can be input to a radar indicator unit if the electromagnetic compass is
equipped with a NMEA0183 output pin. (An electromagnetic compass without NMEA0183
output pin cannot be connected)
To connect azimuth information data from an electromagnetic compass, use S-pin connector P5 for
J 5 (LTW'DOQBFFA-LISO).
For the connection, connect NEMA0183+ from the electromagnetic compass to pin 3 and
NEMA0183 from the electromagnetic compass to pin 4.
Connect input signal from
NEMA equipment to pin 3 of P5.
T Connect input signal retum from
NEMA equipment to pin 4 of P5
Attached connector for connecting NMEA data
P5 (LTWDOsFFA-Ll 80)
Note:
The data that can be inputfrom a magnetic compass is NMEA—01B3 (HDT/HDMfl-IDG fon'nat).
Caufion
O For data Input lrom a magnetic compass, operation is not enabled even if
optional MARPA is connected.
The data Input from GPS compass or gyro is required.
135
9.3.12 Connectlng gyro
By purchasing an optional item, NSK Unit NOT-4106, gyro and electromagnetic log can be
connected
For connecting, use the CFQ-6998 dedicated cable of JRC that is enclosed by the NCT-4106 or the
CFQ-6934 optional cable.
NOT-4106 can be connected easily with the processing unit by using this cable.
And the NCT4106 is built in the interface circuit for high capacity external buzzer contact output
(dry oontact output), a big buzzer can be directly drive-d.
When CFQBQQS (an enclosed cabal) is used
Photograph 1
Insert the 8—pin connector (IND)
of (Em-6998 (unit dedicated
connection cable that is enclosed
by the NOT-4106) to the
connector of processing unit J5l
Photograph 2
Insert the 8-pin connectm-
(NsK) of CFQ-6998 (unit
dedicated connection cable that
is enclosed by the NOT-4106)
to the connector of NCT 4106
136
When CFQ—6934 (an optional cabal) is used
137
Photograph 1
Insert the 8'pin connector G'ND
NSK) of CFQ’6934 GER'IO/NSK
unit dedicated connection cable)
to the connector of processing unit
J5.
Photograph 2
Insert the B-pin connector (NSK)
of CFQ‘6934 (JLR‘lO/NSK unit
dedicated connection cable) to the
connector of NCT 4106.
1. Conneotions to an external buzzer
TB40 of the built—in PCB 080-631 has a drycontact output, so that if the connection "TB‘40 —>
Power Supply - Positive terminal of the buzzer —v Negative terminal of the buzzer —> Power
supply ground" is made, then a buzzer can be sounded when there is an alarm from the
JMA'5100.
Connection Example
Battery, etc.
050-631
a —|
Buzzer
— Ca ut| on
O Yhe maximum contact capaclly Is:
10A1250VAC
10N30VDC
Make sure that this capacity is not exceeded.
2 Comedians to a gyro and log
Connect the signal Lines {mm a gyro and log to the CMJ'SMC terminal board, then make the
settings on the followings.
TB10 TBZO
F 1— N m + +
Connect the gyro signal line Connect the log slgnal Ilne
(Synchrolstep) (SynchroISlep)
GIN-3040 Termlnal Board
138
Although each component of the radar has completely been adjusted in the factory, the
adjustments as described in following pages are required alter installation.
The NSK unit of the radar can be applied to almost all types of gyrocompasses just by changing
the settings of keys (step motor type of 24 to 100VDC and synchro motor type with primary
exciting voltages of 50 to 115VAC)l
Before turning the power on, follow the procedures below to set switches 51, SZ and S5, and
jumper JP1 on the NSK circuit (PC4201) to make them suitable to the type of the gyrocompass.
Since the gyro selection keys on the NSK circuit is set to the 360K synchrogyro before shipment,
adjust the keys as follows to suit it to the gyrooompass fitted on the ship. For details, see [Table1
Setting Table of Gyro Compass and Gym Select Switches of NCT-4106l
(1) Before turning on the system, set the keys and jumper pin on the NSK unit (Pc4201) as
follows:
51 : Select switch to [OFFL
S21 Gyrocompasses output stepper or synchro signal So, be sure to check the type of the
gymoompass fitted on the ship before setting 82.
Set S2 to the [SYNC] position.
Set S2 to the [STEP] position.
Synchronizing signal
Stepper signal
S5 i Set S5 to suite the applicable gym in accordance with the S5 setting table.
S51 3 Type
Synchronizing signal ...... [OFF]
Stepper signal . [ON]
85-2, -3 3 Gym ratio
139
55-4 3 Gyro direction
Normal (clockwise) . [OFF]
Reverse (counterclockwise) A [ON]
55-5 1 Log type
Pulse signal [OFF]
Synchronizing signal . [ON]
SS'S 1 Not used
S5'7, ‘8 1 Log ratio
Pulses/rim (Pulse signal)
400 200
Rotafions/nm (Synchro signal)
180X 90x 36x
SS 5 Log test
Select the switch to [NORMIJ position.
S7 5 BSH (IMO) spec
Select the swim]: to [NORML] position.
J'Pl i Gyro type
Synchro signal ...... Select the [SYNC] position
Stepper signal ...... Select the [STEP] position.
(2) Connect the gyro signal and log slgnal cables to the NSK circuit (PC4201).
(3) set 51 to [ON].
* If radar echoes and the own ship's true bearing indications are displayed in reverse direction
after the power is turned on, set 85-4 to [ON].
140
[Gyro Log Selection Switches (DIP switch $5)]
' I
(gfiégfig
1 1
65mm —n
IRECTION) ReversemEv) -
use “
TVPe
SYNCRO
800P/360X
Pulsenumber
(PULSES/NM) “OP/13W
200P/90x
Log si nal
(LOG 316.)
100P/30X
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[NSK Log Selection Switches of NOT-4106]
142
Setting the speed log switches
1. This radar uses the six types of standard speed log signals listed bellow.
Pulse type : 800 pulses/NM, 400 pulses/NM, 200 pulses/NM,
100 pulses/NM
Synchro type I SGOX/NM, 180XINM, 90XINM, SOXINM
Set gyro select switch assembly 85(®) using the S5 setting table.
2 Connect the speed log signal line to. for the pulse type, lhe [PULSE] side, or for
the synchm type. the [SYNCRO] side, of terminal block TBZO (®).
3. 85 (GD): Gyro log select switch assembly
Set the switch assembly in aooordance
with the $5 setting table.
O s—Nmfl'lowhco
0)
Li.
Itisdesctibsdas{8'gFf(1)
SSsettinglable
1 2 3 4 5 s 7 sl
"5m
3 STEP 1
g Jeox o o
5 lEDX o 1
g 90x 1 o
5‘ 36x I 1
g M lhmiflmll o
dlrection mm, 1
a PULSE u
3 TV” SYNCRO 1
g soop/asnx o o
g, M 400?!th o 1
§’ mop/aux 1|0
mop/30x 1l1l
4. 56 l): Log testswitdl
Selling this switch to the [FEST] position
displays 18KT‘
Usually, set the smut to [NORMLL
51 Light-emitting diode CD22 is provided to
check pulse-type log input signals This
LED lights if the log signal level is +2V or
more (or under a non-connected shins oi
the log signal line), or it does not light ifthe
log signal level is +2V or less.
[Setting Table of the Speed Log Select Switches of NCT 4106]
143
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[Setting Table of Gyro Compass and Gyro Select Switches of NOT-41081
144
9.3.13 Connecting a PC plotter and NMEA equipment
This equipment can output NEMA0183 data to a PC plotter and NMEAequipment. It is possible
to select RSZ3ZC output and NMEA output $8422 level) by setting a jumper pin.
1. Oumulting NMEA0183 data to a PC plotter (R5232C output)
Set JPl of the CED-1638 power terminal block to a jumper between 1 and 2 (initial position).
Connect a commercial 1182320 cross cable (9pm DSUB female) to this equipment J8 and
connect the other side to a PC plotter.
Connect a commercial 9'pin
RSZ3ZC cross cable (9'pin
DSU'B female) to this
equipment J8 and connect the
other side to the COM poxt of
the personal computer.
Z. Outputtlng NMEA0183 data to NMEA equlpment (R8422 output)
Set JPl of the CED-1638 power terminal block to a jumper between 2 and 34 Pxepare 3 9pm
DSUB female connector, connect output fi'om pin 3 to NMEA+signal input of NMEA
equipment and output from pin 5 to NMEA’signal input of NNEAequipment.
Fetch signal output to NEMA
equipment from pin 3 of P8.
Fetch signal return output to
NEMA equipment from pin 2
of P84
P81 Use a oommemial RSZ3ZC cross cable by shortening.
145
3. Swltchlng R323ZCIRS42Z slgnal output
Switching Sign] output from RSZ3ZC to RS422 alternately, switch jumper J'Pl of power
terminal block CED-1638.
RSZSZC signal output
Jumper set between 1 and 2
of TBI as shown in the
photograph
Rs422 signal output
Jumper set between 2 and 3
of TB] as shown in the
photograph
The TBl jumper is set between 1 and 2 (5282320) at factory delivery
146
9.3.14 Connecting external buzzers
This equipment is equipped with dry contact output for external buzzers.
Dry contact is output firom a jumper set between pins 6 and 7 from the 8-pin connector of J 5. The
Contact ofthe output is a capacity up to 1AI30V.
If a greater current/voltage is applied. install equipment of adequate contact capacity such as
relay in the extemal section.
If the current/voltage exceeds the contact capacity, the contact of this equipment becomes fused
and the external buzzer keeps ringing, causing an extremely dangerous situation.
Pin 6 of P5 is one side of the
/ dry contact output
x \ Pin 7 out is the other side of
the dry contact output
Attached connector for NMEA data connection
P5 (LTWDOSFF'A—Llw)
147
9.4 Changing Ship's Power
r ACAUTION
Use correct fuse ratings.
The use of incorrect ratings may cause an equipment failure.
0 Modify the ratings as follows according to the ship's painter.
(At product delivery, a fuse of 24V is provided.)
1. Display
Three types of fuses F1, F2, and F3, are available
F1 1 Fuse for the processing unit (10A)
F2 1 Fuse for scanner unit transmitter-receiver (or less)
F3 1 Fuse for scanner unit motor (or less)
Afuse for a processing unit (F1) is 10A regardless of the input: voltage and scanner unit output.
A fuse for a modulator (F2) and a fuse for a scanner unit motor (F3) change according to the
input voltage as shown in the table below.
When the product is purchased, the 6.3A timelag fuse is inserted in the F2 fuse as the fuse for
12V, and the 5A timelag fuse is inserted in the F3 fuse as the fuse for 12V.
Surely exchange for the fuses suitable for the scanner unit and ship's power by using the table
below.
For NKE-2042 (4kw radome type scaxmer unit), fuse insertion is not necessary since F3 (fuse
for motor) is not available
List of fuses
Scanner unit
model
mam DCIZV 6.3Atime-lag 52FAD00543 —
DCZ4V/32V 3415Atime-lag 5ZFAD00369 —
(4kw)
N'KEAZOGZ DClZV 6.3Atime-lag 5ZFAD00543 5Atime-lag 5ZFAD00393
(61W) DCZ4V/32V 3.15Atime-lag 5ZFAD00359 GAtime'lag 5ZFAD00393
£15310? DCZ4V/32V 5Atime-lag 5ZFAD00393 SAtime-lag 5ZFAD00544
2. Scanner unit
No changes are made for a scanner unit
148
9.5 Checking and Adjustment After Installation
9.5.1 Checking after installation
(3)
Atter completion of installation, it is necessary to check if all the operations have been carried
out according to the instruction. In particular, check if the cables are connected correctly,
each unit is installed properly, there is no water leakage from the scanner unit and cable
shielding braiding is installed correctly.
9.5.2 Checklng operallon
(a)
(b)
(0)
After checking installation, confirm that the ship's voltage is within the permissible range
before checking radar operation.
After examining the contents of Chapter 3, "Operation Procedures" and confirming that there
is no abnormality as a result of radar operation, check that all the keyboard units function
normally by actually operating them.
When readjustment is necessary even if the result of operation checking indicates normal,
make adjustments as instructed by studying 9.6, "Adjustment“l
9.5.3 Various adjustments
(a)
(b)
(c)
(d)
(9)
It is absolutely necessary to adjust the azimuth of the radar.
When the knob is set near the center at tuning or the radar cannot be tuned, make rough
tuning adjustments using "l‘uning preset" in the initialization menu.
When the distance on the radar PPI screen and the actual distance do not match, adjust the
distance using “0 mile adjustment" in the menu.
The alarm volume can be adjusted using "Buzzer volume" in the menu.
STC can be adjusted using "Sea clutter preset" menu.
149
9.5.4 Rectifier
O A rectifier can be used for both of the ship's voltage types, Ac100/110/115V and
200/220I230V, hwever, the input pin connection modes must be changed as
shown In the diagram below.
Change the connection Change the connection
aoconfing to the Input vothge. according in the input vottage.
115V - > ,,
—>{
Do not change this connection. Do not change this connection.
Ahemab mm 100/110/115V Alternate wrrent ZOO/ZZOIZWV
NBA-797 input pin connection change
150
9.6 Adjustment
9.6.1 General adjustment
Adjustment alter component replacement
This section describes the adjustment required as a result of replacement of the main
components.
(a) Replacement of magnetron V101 —> ’l\ining preset
(b) Replacement of front end E101 a Tuning preset
9.6.2 Adjusting a scanner unit
Some scanner unit adjustments are necessary, however, no re-adjustments are necessary since the
scanner unit is thoroughly adjusted at the factory However, if adjustments become necessary as
a result of the operation checking at inspection or fault repair, make the following adjustments.
ADANGER
voltage of about 400ml, no one except service engineers are allowed to touch
inside of the modulaton
® Since some sections of the modulator (CME-322 or ours-323) generate a high
There is a risk of dying or gelling a serious injury of any person by electric shock
1. Adjusting AVR output voltage of a modulator
(a) When the radar is in a transmission mode, set the distance range to 12 nautical miles,
connect a voltmeter between J201-13PIN and GND of modulator OMB-322 or OMB-323,
and adjust the voltage to +8(V) at RV2.
2. Adjusting a tuning indication level of a racelver
(a) Set the tuning mode ta manual when it is set to automatic
(b) Carry out tuning by setting the distance range to 12 nautical miles or more.
151
9.6.3 Adjusting an indicator unit
Some adjustments are necessary for the indicator unit, however, no ire-adjustments are necessary
since the indicator unit is thoroughly adjusted at the factory. However, if adjustments become
necessary as a result of operation checking at inspection or fault repair, make the following
adjustments.
Adjustlng AVR output
(3) Connect a calibrated voltmeter (digital display is recommended to eliminate reading error)
between TP15 +13V and TP16 GND of power terminal block CED-1638 and adjust the
output to +13v i 0.1V.
—Caution
0 Make sure that the scanner unlt Is connected before adjustment.
152
9. 7 Initialization
This section describes how to initialize radar equipment. Initialization of radar equipment is
necessary when using it for the first time.
Initialization involves the following tasks.
9.7.1 Adjusting a receiver [tRANGE-1 [TX/PRF] [AUTO-TUNE] [MENU]
1. Tuning preset
2. Center frequency adjustment
3. Tuning indicator level adjustment
9.742 Noise level adjustment [MENU]
9.7.3 Azimuth adjustment [I'M/RM] [AZI MODE] [MENU]
9.7.4 0 mile adjustment (I’M/RM] [AZI MODE] [MENU]
9.7.5 Setting a scanner unit height [MENU]
9746 Setting a gyro value [MENU] [AZI MODE]
—Caution
Q Initialize radar equipment before using it for the first tlme.
Wlthout initialization, radar equipment can neither indioate targets nor measure
distances and azlmuths.
— Ca utlon
Q Do not turn off the flower until the foliowim a_diusmrents are mingled.
Otherwlse, an error occurs in the memory of the setting values that were
adjusted Internally and, in the worst case, the equipment may not function.
0 The inltlallzatlon menu "Setting at installatlon“ can be displayed by pressing the
[MENU] key in long mode.
Text "Initialization menu described above" is dlsplayed In the descrlptlon
provided below. This setting indlcates the menu indication method.
153
9.7.1 Adjusting a receiver [+RANGE-1 [TXIPRF] [AUTO-TUNE] [MENU]
1. Tuning preset
On this menu, make a rough tuning adjustment. When this menu is displayed, the automatir:
tuning setting state is temporarily changed to manual tuning setting during adjustment. Al:
completion of adjustment, the mode is reset to automatic tuning setting.
Usethefollowingpmoedumtoperformtuningpreset.
(a) Press the [+RANGE-1 key and set the range to 24NMA
(17) Press the [IX/PRH key and send signals for 10 minutes or more.
(0) Set the [AUTO-TUNE] knob to a 12 o'clock position.
(d) Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
| RADAR RADAR ADJUST and TUNE PRESET and press [JOG DIAL] or
[AcmENri
(e) When the following menu is displayed, press [JOG DIAL] to maximize the tuning
oscillation, and end the operation by pressing [JOG DIAL] or [ACCVENT].
Tl—I
m:
M:
2. Center lrequency adjustment
AWARNING
This adjustment is a function of adjusting tune indication and peak of echo, it is
already made at the factory.
The default value is 64A
The settings must not be changed on the spot.
When the tune indication and peak of echo shift, if the settings are carefully
adjusted. you can not get the inning
The gain falles, a collision etc. may oooun
Adjust the frequency so that the image size becomes the maximum when oscillation of the
tuning indicator reaches the maximum.
Use the following procedure to set a central frequency.
(3) Carry out steps from (a) to (c) of "1. fining preset".
154
03) Displaythe lNS’l‘ALLATION
menu by pressing the [MENU] key in long mode, select
| RADAR RADAR ADJUST
and
CENTER men and press [JOG DIAL] or
[ACCVENT].
(c) Adjust the frequency by changing the value by turning [JOG DlAL] to the left or right, and
end the operation by pressing [JOG DIAL] or [ACQIENT].
<3
CENTER FR
3. Yuning indicator level adjustment
Set the scale when the tuning indicator bar has reached the maximum level.
Use the following procedure to adjust a tuning indimim level.
(3) Carry out steps from (a) to (c) of "1. ’l\iningpreset".
enu by pressing the [MENU] key in long mode, select
(b) Displaythe DISTALLATION
RADARl RADAR ADJUST
and
TUNE INDICATOR and press [JOG DIAL] or
[ACWENT].
(0) Adjust the indicator level by changing the value by turning [JOG DIAL] to the left or right
until the tuning indicator indicates 70% to 80% of the tuning indicator area, and end the
operation by pressing [JOG DIAL] or [ACQIENT]
155
9.1.2 Noise level adjustment [MENU]
Adjust the base level of the echo that is displayed on the PPI soreen.
—Caution
0 Since this adjustment is made at the factory before delivery, basically, the
settlngs must not be changed.
Unnecessary adjustments cause degradation of sensitlvlty, causing image
dlsplay abnormallty.
Use the following procedure to adjust a nozzle level.
(3) Display the menu by pressing the [MENU] key in long mode, select
RADAR RADAR ADJUSTZ I, and NOISE LEVEL and press [JOG DIAL] or
[ACQIENT].
&) Adjust the noise level that is displayed on the screen by turning [JOG DIAL] to the lett or
right, and end the operation by pressing [JOG DIAL] or [ACQIENT].
9.7.3 Azimuth adjustment [TM/RM] [AZI MODE] [MENU]
This operation is to adjust the azimuth on the PPI screen.
Use the following procedure to adjust the azimuth.
(a) Select the RM mode by pressing the [TM/RM] key.
When the mode is already set to "RM", this operation is not necessary.
(b) Select the H-UP mode by pressing the [AZl MODE] key.
When the mode is already set to "H-U'P", this operation is not necessary
(0) Display the m] menu by pressing the [MENU] key in long mode, select
RADAR RADARADJ'USTI, and BEARING and press [JOG DIAL] or [ACWENT].
(d) When a line for setting an azimuth is displayed, set the azimuth to the established target
on the screen by turning [JOG DIAL], and press [JOG DIAL] or [ACWENT].
(e) Move the established target to the right azimuth position on the screen by turning [JOG
DIAL], and end the operation by pressing [JOG DIAL] or [ACWENT].
156
BEARING
(1345
9.7.4 0 mile adjustment [TM/RM] [AZI MODE] [MENU]
This operation is to adjust the distance calibration on the PPI screen.
Use the following procedure for 0 mile adjustment
(a) Select the RM mode by pressing the [TM/RM] key.
When the mode is already set to "RM", this operation is not necessary.
(h) Select the H'U'P mode by pressing the [AZI MODE] key.
When the mode is already set to "H-U'P", this operation is not necessary
(0) Set the range to 0.125 miles by pressing the [+RANGE-] key.
(d) Display the menu by pressing the [MENU] key in long mode, select
RADAR |RADAR ADJUST and | DISPLAY TINHNG
[ACQIENT].
and press [JOG DIAL] or
(e) Set the target to the right distance position on the screen by turning [JOG DIAL] and end
the operation by pressing [JOG DIAL] or [ACQIENT].
9.7.5 Setting a scanner unit height [MENU]
Set a height from a surfaoe of the sea to the scanner unit of the radar.
By changing this setting value, the efl‘ect of the S’I‘C function (sea clutter elimination function) for
distances can be changed.
This function is also useful for changing the effect of the [AUTOSEA] knob.
Usethefolhrwingpmoedmetosetascannerunitheight
(3) Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
I RADAR | RADAR ADJUSTZ—l, and
AN'ITENA HEIGHT
[ACQIENT].
157
and press [JOG DIAL] or
(b) When the following menu is displayed, select a required setting value from 5m 5'10m
10 -m by turning [JOG DIAL] and end the operation by pressing [ACQIENT].
RADAR AD ST?
RES
NTENNA HElGHT
om
lO—m
9.7.6 Setting a gyro value [MENU] [AZI MODE]
After connecting an optional NSK unit, set a master gyro value in the NSK unit.
ACAUTION
The GPS compass JLR-10 of JRC always can output absolule azimuth wilhout
gyro selling.
Thefefore, do not set a gyro value when connecting JLR-10.
Usethefollowingpromduretosetagyrovalue.
(8) Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
GYRO SETHNG and press [JOG DIAL] or [ACWENT].
(b) After setting the gyro value that was read flvm the master gyro by turning [JOG DIAL],
end the operation by pressing [JOG DIAL] or [ACWENT]
Oh-
(c) For operation (a), the menu can be opened directly from [AZI MODE]. When the [All
MODE] key is pressed in long mode, the initial menu is displayed. Subsequent operation
is the same as for Q7).
158
9.8
Various Initial Settings
This section describes the various settings required to facilitate the use of radar such as setting of
radar signal processing and setting at connection of various types of navigation equipment.
9.8.1
Sensitivity preset [AUTOSEA] [AUTO-RAIN] [GAINIPL] [MENU]
Set the maidmum level indicated when the "Sensitivity" knob is used.
Do not change the adjustment unnecessarily. Normally, the level must be set to 265. In this
case, no adjustment is necessary
When adjustment is necessary, carry out the procedure described in 9.7.2, "Noise level adjustment
MEN'UI" before making further adjustments.
Use the following procedure to carry out sensitivity preset.
(a)
(b)
(c)
(d)
(e)
9.3.2
Set the target expansion function to OFF.
Turn the [AUTO-SEA] knob to the minimum position (anti-clockwise for one full rotation).
Tum the [AUTO-RAIN] knob to the minimum posit-ion (anti-clockwise for one full rotation).
Turn the [GAINIPL] knob to the maximum position (clmzkvdse for one full rotation).
(In this state, the echo is displayed at the highest level on this PPI screen.)
Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
| RADAR RADAR ADJUST2 and GAIN PRESET |, and press [JOG DIAL] or
[ACQJENT]
Adjust the sensitivity level by turning [JOG DIAL] and end the operation by pressing [JOG
DIAL] or [ACQIENT].
Sea clutter preset [+RANGE-1 [AUTO-TUNE] [AUTO-SEA] [AUTO-RAIN]
[GAINIPL] [MENU]
Set the maximum control level that is indicated by turning the [AUTOSEA] knob.
Do not change this setting unnecessarily.
Use the following procedure for executing see clutter preset.
(a)
(b)
(c)
(d)
(e)
(1)
Set range to GNM by using the [+RANGE-l key.
Adjust the tuning using the [AUTO-YUNE] knob.
Set the target expansion function to OFF
Tum the [AUTO-SEA] knob to the maximum position (clockwise for one full rotation).
Thrn the [AUTO-RAIN] knob to the minimum position (anti-clockwise for one full rotation).
Tum the [GAINIPL] knob to the maximum position (clockwise for one full rotation).
159
(In this state, the echo is displayed at the highest level on this PPI screen)
menu by pressing the [MENU] key in long mode, select
(g) Display the
INSTALLATION
RADAR
RADAR ADJUSTZ l and
STC PRESET
[ACWENTL
and press [JOG DIAL] or
(11) Adjust the control level to the level where noise near GNM is slightly above by turning
[JOG DIAL] and end the operation by pressing [JOG DIAL] or [ACWENTL
9.3.3 Control of main bang [+RANGE-l [AUTO-TUNE] [AUTO-SEA] [AUTO-RAIN]
[GAINIPL]
[MENU]
This adjustment is to suppress a main bang, which is a reflection signal from a microwave circuit
of a waveguide mat normally appears as a circular image at the center of the radar screen
In the optimum adjustment, a faint image of a main bang remains on the screen.
AWARNING
Do not change this adjustment unnecessan'ly
An incorrect adjustmem may erase the closest target and a collision may occur.
Usethefiollowingprooeduretneeta mainbangsuppressionlevelanditsrange.
(a) Set range to 04125NM by using the [+RANGE-l key.
03) Adjust the tuning using the [AUYO-YUNE] knobl
(c) Set the target expansion function to OFR
(d) Set the correlation processing function to OFF.
(e) ’I\im the [AUTO-SEA] knob to the center position, and adjust the function strength to the
extent that main bang can be indentifiedl
(0 Thin the [AUTO-RAIN] knob to the minimum position (anti-clockwise for one full rotation).
(g) Turn the [GAINIPL] knob to the maximum position (clockwise for one full rotation)
(In this state, the echo is displayed at the highest level on this PPI saeen.)
menu by pressing the [MENU] key in long mode, select
(11) Display the
INSTALLATION
RADAR
RADAR ADJUSTZ
and
MBS LV'LI, and press [JOG DIAL] or [ACQIENT].
160
(i) Adjust the main bang suppression level by turning [JOG DIAL] and erase the main bang.
Afier completion of adjustment of the suppression level, end the operation by pressing
[JOG DIAL] or [AGO/EMT]
Os
Consequently, the main bang suppression level has been adjusted.
(i) Select MBS RNG by turning [JOG DIAL], set the main bang erasing range and end the
operation by pressing [JOG DIAL] or [ACQIENT].
(k) Adjust and set the main bang suppression range by turning [JOG DIAL] and end the
operation by pressing [JOG DIAL] or [ACQIENT].
0m
Consequently, the main bang suppression range has been adjusted.
9.8.4 Setting a close range dynamic range [MENU]
Set a range for changing a close range dynamic range. Arange from 0.0 to 3.3 miles can be set.
Usethefiallovdngproceduretosetacloserangedynamicrmge.
(a) Display the INSTAILA’I‘ION menu by pressing the [MENU] key in long mode, select
RADAR |, [ RADAR ADJUSTZ and l DR NEAR RNGA I, and press [JOG DIAL] or
[ACWENT]
03) Adjust the main bang suppression level by turning [JOG DIAL] and erase the main hangr
Alter completion of adjustment of the suppression level, end the operation by pressing
[JOG DIAL] or [Acmsm-J.
I61
DR. NEAR
RNGA
9.8.5 Setting a video gradation level [MENU]
Set a video gradation (dynamic range).
The following levels are available:
NARROW: Although the video gradation range becomes narrow, the sensitivity increases
Suitable for long range,
NORMAL: Normal video gadation
WIDE: The video gradation range becomes wide, enabling checking of the targets such
as sea clutter, rain, and snow more easily.
Use the following procedure to set a video gradation level.
(8) Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
RADAR [, | RADAR SETTING and VIDEO LATITUDE and press [JOG DIAL] or
[AcmENT].
(b) When the following menu is displayed, select | NORMAL NARROW l, or WIDE by
turning [JOG DIAL] and end the operation by pressing [JOG DIAL] or [ACQIENT].
RADAR SETUNG
VlDEO LANTUDE ‘l' ‘
NORMAL {
9.8.6 Setting video noise suppression display [MENU]
This function enables removal of unnecessary noise such as noise and sea clutter at display of a
radar image, by setting a threshold value to suppression of display of a low gradation section
(noise components). Noise display suppression inm'eases in the sequence of OFF —» LEVEL 1 —>
LEVEL 2.
The following options are available:
OFF: Displays level 0 or higher of 16 levels (all the levels).
LEVEL 1: Displays level 4 or higher of 16 levels.
LEVEL 21 Displays level 8 or higher of 16 levels
162
Use the flullowing proceduxe to set a video gradation level.
(3) Display the menu by pressing the [MENU] key in long mode, select
RADAR RADAR SETTING and | VB NOISE REJ |, and press [JOG DIAL] or
[ACWENT]. .
(17) When the following menu is displayed, select OFF | LEVEL 1 or LEVEL 2 by
turning [JOG DIAL] and end the operation by pressing [JOG DIAL] or [ACQIENTL
RADAR smwa
ggnlglgmglnp w
VD muss REJ
OFF
LEVELl
9.8.7 Setting a small target detection mode [MENU]
This function detects a distant faint target on a radar image.
To detect a distant faint target, increase a detection probability by reducing the scanner unit
rotation speed and focusing radio waves of the radar to a distant faint target.
Note
Since 4kw is a radome type and does nothave a morormtation cont/OI function, this funclion does not
operate even if it is set to ON.
Usetbefoflowingproeeduretosetasmalltargetdetecfim mode.
(3) Display the INSTALLATION menu by pressing the [MENU] key in long mode, select
RADAR | RADAR SE’l’l‘l‘NG l, and S>BUOY DETECT and press [JOG 0le or
[Am/EMT].
07) When the following menu is displayed, select
operation by pressing [JOG DIAL] or [ACWENT].
by turning [JOG DIAL] and end the
RAD R SETTl‘l"
163

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