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4-1
4. DSC GENERAL MESSAGE
CALLING, RECEIVING
General procedure for non-distress DSC messages
The procedure for sending and receiving non-distress DSC messages is similar
among message types. The following is an example of the sequence for an individual
call.
1. Send the individual message.
2. Wait for the individual message acknowledgement.
3. Start the voice communication.
4.1 Individual Call
The individual call is for calling a specific station. After sending an individual call,
called ACK RQ transmission, wait to receive the acknowledge back (ACK BQ) signal
from the receiving station.
4.1.1 How to send an individual call
1. Press the OTHER DSC MSG key.
(1)
(2)
(3)
Your Ship
Coast
Station
(1) DSC Message (Called Acknowledge
Request (ACK RQ) Signal)
(2) Acknowledge Back (ACK BQ) Signal
(3) Voice communication