Icom IC-M421 Instruction Manual page 45

D D Receiving a geographical area call
While monitoring Channel 70 and a geographical area call
(for the area you are in) is received:
➥ Emergency alarm or beeps sound depending on the re-
ceived category.
➥ "
" appears in the display.
➥ Push [CLR] to stop the beep, then push [ENT] to change
to the channel specified by the calling station for voice
communication; push other key to ignore the Geographi-
cal Area call.
➥ Monitor the selected channel for an announcement from
the calling station.
When no GPS receiver is connected or if there is a prob-
lem with the connected receiver, all geographical area calls
are received, regardless of your position.
D D Receiving a position request call
While monitoring Channel 70 and a position request call is re-
ceived:
➥ "
" appears in the display.
➥ Push [CLR] to stop the beep, then push [ENT] to reply to
the position request call; push [CLR] to ignore the position
request call.
D D Receiving a position report call
While monitoring Channel 70 and a position report call is re-
ceived:
➥ "
" appears in the display.
➥ Push [CLR] to stop the beep, then push [ENT] to reply to
the position report call; push [CLR] to ignore the position
report call.
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