Furuno FM-8800D Operator's Manual page 53

2) Sending automatic acknowledge (ACK BQ) with comply status
"UNABLE."
1. When the automatic acknowledge feature is active (AUTO ACK), the comply
status is "UNABLE" and a coast or ship call is received, the display shown
below appears, indicating that the auto acknowledge call with UNABLE (ACK
BQ) has been sent. The alarm sounds and the ALARM LED blinks two
minutes.
2. Press the CANCEL key to silence the alarm. The following display appears.
3. Press the ENT key.
4. If you want to send a proposal, prepare a message and sent it following the
procedures shown on in paragraph 3.1.1.
3. DSC OPERATION FOR NON-DISTRESS CASES
Unable acknowledge
transmitted.
ROUTINE
KIND : UNABLE
REASON : BUSY
CH : 12
ACK
CANCEL ALARM
** Send Message **
COAST ACK
TO : 003456789
ROUTINE
KIND : UNABLE
REASON : BUSY
CH : 12
ACK
PRESS ENT
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