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4-22 Operation with a Full Function Handset
Note: The working channel selected for the Individual Call is inserted
as the working channel as long as it is an inter-ship simplex channel.
If it is not, the radio selects the next higher simplex channel to insert
as the working channel.
ENT
SQ UP/
DOWN
6. Press the ENT key again. A prompt appears on the display instructing
you to press the PTT key.
7. Press PTT to transmit.
ENT ENT
MMSI number or
nickname is displayed
Note: Only simplex channels (those channels that transmit and receive
on the same frequency) can be selected for ship to ship Individual Calls.
Pressing the SQ UP/DOWN will scroll you through the simplex channels
usable for this operation.
Response
If a response is received after pressing the PTT key, a receive-confirmation
message is displayed. After 5 seconds have elapsed, the channel is changed
to a communication channel and the Individual Ships Call is completed.
ACK 5 sec
If no response is received for 3 minutes after pressing the PTT key, a
prompt to press the PTT key appears once more. After 15 seconds elapses
without pressing the PTT key following the prompt, operation returns to
the state before the call.