Icom IC-M323 Instruction Manual page 35

Push [ALARM OFF] to stop the beeps. Then push [EXIT]
to return to the operating channel (before you entered the
MENU screen).
After communicating, push [EXIT] to return to the normal
i
operating mode.
Convenient!
✓
When the optional MA-500TR
connected to your transceiver, you can transmit individual
DSC calls to selected AIS targets on the transponder without
needing to enter the target's MMSI code.
See pages 64 and 65 for more details.
is
class b ais transponder
7
DSC OPERATION
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