Self Tests; Self Test At Power Application (Communication Unit); Testing The Communication Unit Through The Keyboard - Furuno FELCOM 12 Operator's Manual

Self Tests

The communication unit and the terminal unit are equipped with self
tests which check them for proper operation.
Self test at power application (communication
unit)
The communication unit performs the following tests when it is turned
on:
a) ROM sum test
b) RAM read and write test
c) DP RAM read and write test
d) EEPROM sum test
e) VITERBI decoder test
If the unit finds no fault it goes into normal operation.
Testing the communication unit through the
keyboard
This test can only be initiated from the main DTE. The communica-
tion unit must be idle.
1. Press [F7] to display the Options menu.
2. Press [6] to display the Test menu.
3. Press [3]. The Communication Unit (self test) screen appears.
Options
1. Login
2. Logout
1. PV Test
3. Abort
2. PV Test Result
4. Select NCS
3. Self Test
5. Ocean Region
4. Distress Alarm Button Test
6. Test
Figure 8-1 Communication unit screen
4. Press [Enter] to start the test.
The message "Now Communication Unit-testing" appears in
blinking reverse video during testing.
Test
Communication Unit
Start
No
Yes Yes
8-3