8. MAINTENANCE, TROUBLESHOOTING
8-3
When the test is completed, the screen shows the test results as shown at
the top of the next page.
1. Login
2. Logout
3. Abort
4. Select NCS
5. Ocean Region
6. Test
Options
1. PV Test
2. PV Test Result
3. Self Test
4. Distress Alarm Button Test
Test
TERM CPU
ROM
RAM
DRAM
Press any key to escape.
1650162-XX
OK
OK
OK
RFCON CPU
ROM
RAM
EEPROM
GPS*
1650159-XX
OK
OK
OK
OK
Program No.
(XX = Version No.)
*
= Internal GPS. "**" shown when no internal GPS receiver is installed.
Diagnostic Test
Sample communication unit self test results
The results are shown as OK or NG (No Good), and any NG is accompanied
by the audio alarm. For any NG, contact your dealer for advice.
5. Press the [Esc] key to stop the test and return to the Test menu.
Note:
Diagnostic test-related error messages appear at the bottom of the screen
as follows:
TROUBLE: RFCON CPU ROM NG
TROUBLE: RFCON CPU RAM NG,
TROUBLE: RFCON CPU EEPROM NG.
8.3
Performance Verification (PV) Test
After the FELCOM is installed, the installer usually confirms that it is functioning
properly, by logging in and conducting the PV test. This test consists of the
receiving a test message from an LES, transmitting a message to an LES and a
distress alert test.
The results of the test appear on the PV test result display.
The PV test cannot be conducted from an auxiliary terminal unit. Note that the
test can also be initiated by an NCS.
8.3.1
PV test sequence
1. Choose PV Test from the Test menu.
2. The MES requests an NCS to conduct the PV test.
3. NCS acknowledges request for testing.
4. The MES, upon receiving acknowledgment from NCS, goes into pending
state.
5. NCS will choose an LES to perform the test.
6. The LES transmits a test message to the MES.
7. The MES transmits a test message to the LES.
8. The LES receives test message.
9. The MES automatically transmits the distress alert test within two minutes
after completion of step 8.
Содержание FELCOM 15
Страница 1: ...INMARSAT C MOBILE EARTH STATION MODEL FELCOM 15 ...
Страница 96: ...3 FILE OPERATIONS 3 22 This page intentionally left blank ...
Страница 132: ...4 INMARSAT C COMMUNICATIONS 4 36 This page intentionally left blank ...
Страница 203: ...APPENDIX AP 37 Antenna unit ANT RF Board 16P0207 ANT B Board 16P0206 Antenna unit cover opened ...
Страница 204: ...APPENDIX AP 38 This page intentionally left blank ...
Страница 206: ...This page is intentionally left blank ...
Страница 210: ......