Furuno FM-8800D/8800S - Manual (Page 51)

3. DSC OPERATION FOR NON-DISTRESS CASES
3-7
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.
Unable acknowledge
transmitted.
ROUTINE
TCmd1 : UNABLE
TCmd2 : BUSY
CANCEL ALARM
CH : NO INFO
2. Press the CANCEL key to silence the alarm. The following display appears.
** Send Message **
COAST ACK
TO : 003456789
ROUTINE
TCmd1 : UNABLE
TCmd2 : BUSY
CH : NO INFO
PRESS ENT
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.