JRC JMA-7122-6XA, Installation Manual, Page: 4 / 316

2.4.4 Confirmation during test run ................................................................. 2-35
2.4.5 Others ....................................................................................................... 2-35
SECTION 3
INSTALLATION OF DISPLAY UNIT
3.1 INSTALLATION OF DISPLAY UNIT ......................................................3-1
3.1.1 Exterior Drawing of NCD-4990 ................................................................. 3-2
3.1.2 Exterior drawing of NCD-4990T ............................................................... 3-3
3.1.3 Exterior drawing of NCD-4790 ................................................................. 3-6
3.1.4 Exterior drawing of NCD-4790T ............................................................... 3-7
3.2 INSTALLATION OF AC-DC CONVERTER NBA-5135 ........................3-10
3.2.1 NBA-5135 Packing List ........................................................................... 3-10
3.2.2 Exterior drawing of NBA-5135 ............................................................... 3-12
3.2.3 NCD-4990 ................................................................................................. 3-13
3.2.4 NCD-4990T ............................................................................................... 3-17
3.2.5 NCD-4790 ................................................................................................. 3-18
3.2.6 NCD-4790T ............................................................................................... 3-20
3.3 CONNECTIONS WITH SCANNER AND TRANSCEIVER ...................3-21
3.3.1 Connections with NKE-1125,NTG-3225,NKE-1130,NTG-3230 ............. 3-21
3.3.2 Connections with NKE-2103,NKE-2254 ................................................. 3-22
3.4 CONNECTION WITH GPS ...................................................................3-24
3.5 CONNECTIONS WITH VESSEL SPEED UNIT (2-AXIS LOG) ............3-26
3.6 CONNECTIONS WITH GYRO AND ELECTROMAGNETIC LOG ......3-27
3.7 CONNECTION WITH GYRO (IEC61162-1/2) .......................................3-29
3.8 CONNECTIONS WITH AIS ..................................................................3-31
3.9 CONNECTIONS WITH ECDIS .............................................................3-33
3.9.1 Transmission Port Setting (TX Port) ..................................................... 3-34
3.10 CONNECTION WITH ALARM MONITORING SYSTEM .....................3-36
3.11 EXAMPLE OF WIRING IN THE DEVICE .............................................3-38
3.12 DISPLAY UNIT LEDS FOR VARIOUS SIGNALS ................................3-39
3.12.1 Serial Signal ............................................................................................. 3-40
3.12.2 Power supply status ............................................................................... 3-41
3.12.3 Alarm Signal ........................................................................................... 3-42
3.12.4 Fan Alarm ................................................................................................. 3-43
SECTION 4
INITIAL SETTING
4.1 GYRO INTERFACE SETTING ...............................................................4-2
4.1.1 GYRO INPUT SETTING (STEP/SYNC setting) ......................................... 4-2
4.1.2 NMEA Input setting ................................................................................... 4-5
4.2 TUNE ADJUSTMENT .............................................................................4-7
4.3 BEARING ADJUSTMENT ......................................................................4-8
4.4 RANGE ADJUSTMENT ..........................................................................4-9
4.5 NAVIGATOR SETTING ........................................................................4-10
4.6 TRUE BEARING SETTING ..................................................................4-11
4.7 ANTENNA HEIGHT SETTING .............................................................4-12