User's Manual Part 1

NAV-7 system overview ......................................................................................20
Trunnion mounting the display.............................................................................20
Trunnion mounting the display.............................................................................21
Flush mounting the display..................................................................................22
DISPLAY ELECTRICAL INSTALLATION ................................................ 24
Ship’s earth connection.......................................................................................24
12V or 24 V DC power connection.......................................................................25
Signal cable connections ....................................................................................25
Signal line termination.........................................................................................26
Connecting to the IBS serial interface..................................................................26
Connecting to the NMEA 0183 interface..............................................................27
Alarm relay.........................................................................................................28
Connector pin-outs .............................................................................................29
ANTENNA INSTALLATION..................................................................... 30
Selecting a suitable antenna ...............................................................................30
Installation of the tri-channel NAVTEX antenna....................................................32
Installation of the antenna cable..........................................................................33
Fitting the TNC connector ...................................................................................33
Extending the antenna coax cable.......................................................................34
Testing the tri-channel active antenna installation ................................................34
Testing the Banten active antenna ......................................................................35
Testing a passive antenna installation .................................................................35
OPTIONAL POWER SUPPLY UNIT 89-029............................................ 36
MAINTENANCE GUIDE.......................................................................... 37
DISPOSAL AT END OF LIFE.................................................................. 37
OPTIONS ............................................................................................... 37
TROUBLESHOOTING GUIDE ................................................................ 38
SOFTWARE UPGRADE ......................................................................... 39
EXTERNAL RECEIVER.......................................................................... 39
SPECIFICATIONS.................................................................................. 40
APPENDIX I: NAVTEX STATION DATABASE........................................ 41
APPENDIX II: MESSAGE TYPE INDICATORS....................................... 45
APPENDIX III: DECLARATION OF CONFORMITY................................. 46
MCMURDO LIMITED PRODUCT WARRANTY....................................... 47