NT–2000 REF Manual
Index
v
4.10.4. Outputting NAVTEX Messages of Specific Receiver ....................4-14
4.10.5. Outputting NAVTEX Messages of Specific Station.......................4-15
4.10.6. Outputting NAVTEX Messages of Specific Message Type...........4-16
4.10.7. Outputting All Displayed NAVTEX Messages ...............................4-17
4.10.8. Outputting Specific NAVTEX Message...........................................4-18
4.11. Setting Output Ports .......................................................................................4-19
4.11.1. Introduction ..........................................................................................4-19
4.11.2. Enabling / Disabling I / O Ports .............................................................4-19
4.11.3. Selecting Communications Protocols ...........................................4-21
4.11.4. Selecting Bit Formats and Data Transfer Rates ......................4-22
4.12. Performing Self–Diagnostic Tests ..................................................................4-25
4.12.1.
Introduction ............................................................................................4-25
4.12.2. Activating Self–Diagnostic Function .................................................4-25
4.12.3. Checking
Test Results .............................................................................4-26
4.13. Turning on/off Message Alarms.......................................................................4-27
4.14. Resetting the System......................................................................................4-28
5. User–Level
Troubleshooting .....................................................................5-1
5.1. Power–Up
Problems...........................................................................................5-1
5.2. No
Message
Reception .......................................................................................5-2
5.3. Message
Storage Problems ................................................................................5-4
5.4. Poor
Reception ...................................................................................................5-5
5.5. Blank
Message Screen .......................................................................................5-6
5.6. Uncontrollable
Screen Brightness.....................................................................5-6
5.7. No Beep from Keypress .....................................................................................5-6
5.8. No
Response
from Keypress ..............................................................................5-7
5.9. No
Message
Alarm Indication ...........................................................................5-7
5.10. No Message Alarm Output ................................................................................5-8
5.11. No External Outputs .........................................................................................5-8
5.12. External Control Problem .................................................................................5-9
6. User–Level Maintenance Instructions ................................................6-1
6.1. Maintenance on the Equipment Cabinet..........................................................6-1
6.2. Maintenance on Electrical Connections............................................................6-1
6.3. Maintenance on The Active Antenna Unit........................................................6-2
6.4. Self–Diagnostic Tests.........................................................................................6-2
6.5. Recommended
Spare Parts................................................................................6-3