Furuno 9ZWFM8800S Operator's Manual page 46

3. DSC OPERATION FOR NON-DISTRESS CASES
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
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.
3-4
Unable acknowledge
call received.
FROM : 003456789
NO REASON
TCmd1 : SIMPLEX TP
TCmd2 : NO INFO
CH : 12
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