3. DSC OPERATION FOR
3.1.2Receiving acknowledgement of coast or ship call
1.After a coast or ship call is sent, the equipment waits for acknowledgement of the call, showing the display below.
Waiting for acknowledgement.
COAST ID : 003456789
ROUTINE
TCmd1 : SIMPLEX TP
TCmd2 : NO INFO
CH : 12
TIME TO GO : 3M30 S
The timer starts counting down the maximum time to wait for acknowledgement, five minutes.
2.One of the following three messages appears. "No response! Try calling again?" appears after the timer counts down to zero. It means the receiving station did not respond.
Able acknowledge call received.
FROM : 003456789
ROUTINE
TCmd1 : SIMPLEX TP
TCmd2 : NO INFO
CH : 12
CANCEL ALARM
Able acknowledge call received
Unable acknowledge call received.
FROM : 003456789
ROUTINE
TCmd1 : UNABLE
TCmd2 : NO REASON
CH : NO INFO
CANCEL ALARM
Unable acknowledge call received
No response!
Try calling again?
COAST ID : 003456789
ROUTINE
TCmd1 : SIMPLEX TP
TCmd2 : NO INFO
CH : 12
PRESS ENT
No response from station
A reason of Unable acknowledge is displayed. In case of QUEUE INDICATION, the channel will change to one that the coast station specifies.
3. Do one of the following depending on the message shown above.