Nera Inmarsat-c Service Manual page 12

5.3 Loop back test
Start Loop back test which the message is send back to the own ship. The transmitting and
receiving message should be printed out.
1) Make a test message by "New" ([F1]-1).
2) Set following items by "Transmit Message" ([F3]-1).
- Priority
- Destination Type
- Country/Ocean Code : The Ocean region to be selected
- Station ID
- LES ID
- Option
Confirmation
Send Delay
Delivery Dela
Code
3) Move the cursor onto "Transmit" and press [Enter].
Select "YES" and press [Enter] to start the transmission.
4)
5) When the same message is received after 5 to10 minutes, the test result is OK. If the
message cannot received correctly, confirm "Delivery" in "Send Message Log"
([F6]-1). See page 7.
5.4 EGC receiving
The alarm is checked by following the message priority.
The alarm is sounded from IC-305 and the Terminal unit by DIS/URG Message.
See page 2-17. The EGC receiving message should be printed out. See page 4-6.
: Normal
: TELEX
POR: 582, IOR: 583, AOR-W: 584, AOR-E: 581
: To enter the own IMN
: LES
: ON
: 00:00
: Immediate
: IA5
5
Check List