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3-1
3. DSC OPERATION FOR
NON-DISTRESS CASES
3.1 Coast or Ship Call
The coast or ship call is for sending message to a specific coast or ship station. After
transmitting message (called ACK RQ transmission), wait to receive the
acknowledge back (ACK BQ) signal from the receiving station. You should receive it
within five minutes.
Own Ship Coast Station
d
Acknowledge back
(ACK BQ signal)
c
Coast or ship call
(ACK RQ transmission)
How a coast or ship call is transmitted
General procedure for transmitting a coast or ship call
Load saved Tx message, or prepare
message.
Transmit message.
Receive ACK BQ from receiving station.
Communicate with station.