Furuno FM-8800D - Manual (Page 101)

6. MAINTENANCE & TROUBLESHOOTING
6-3
6.4 DSC Test Transmission
6.4.1 Transmitting a DSC test message
1. Press the CALL key. The display changes from the standby display to the
COMPOSE MESSAGE screen and the CALL TYPE is displayed in reverse
video.
2. Press the ENT key to open the call type list.
3. Rotate the CH knob to choose TEST and press the ENT key.
4. ID is selected; press the ENT key.
5. Key in a ID you want to communicate and press the ENT key.
** Compose Message **
CALL TYPE: TEST
STATION ID : 987654321
SAFETY
KIND : TEST
COMM MODE : NO INFO
ACK REQ
6. Press the CALL key more than three seconds. A message will be
transmitted.
The screen changes as follows.
a) The timer counts down until you receive ACK.
Waiting for
acknowledgement.
TIME TO GO : 3M 30S
STATION ID : 987654321
SAFETY
KIND : TEST
COMM MODE : NO INFO
ACK REQ