Icom IC-M421 Instruction Manual page 50

Vhf marine transceiver
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6
DSC OPERATION
D D Automatic acknowledgement
This item sets the automatic acknowledgement function ON
or OFF.
When a position request, position report or polling request call
is received, transceiver automatically transmits a position re-
quest reply, position report reply or polling reply call, respec-
tively.
q Push [MENU] to enter the DSC menu.
w Push [L] or [M] to select "Set up," and push [ENT].
Select Item
Polling Request
Received Calls
Distress Setting
˘Set up
e Push [L] or [M] to select "Auto ACK," push [ENT].
Set up
DEL:Group ID
Offset Time
MMSI Check
˘Auto ACK
44
--DSC Menu--
--DSC Menu--
r Push [L] or [M] to turn the automatic acknowledgement
function ON or OFF.
--DSC Menu--
Auto ACK
˘ON
OFF
<CLR˘Exit / ENT˘OK>
t Push [ENT] to set the condition.
• Push [CLR] to cancel and exit the condition to the set up menu.

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