Furuno DSC-60 Operator's Manual page 96

Unable acknowledge
1) The audio alarm sounds; press the [CANCEL] or [ENT] key to silence the alarm. The
display shown in the figure below appears.
Received message
*
JUL-23-1999-23:01
UNABLE ACKNOWLEDGE
BUSY
FROM COAST :
TEL NO.
2) Press the [CANCEL] key to return to the DSC standby screen.
No response! Try calling again?
Re-send call: Press the [ENT] key followed by the [CALL] key.
Cancel call: Press the [CANCEL] key to return to the DSC standby screen.
4-42
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ECC: OK
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