Icom IC-M502A Instruction Manual page 36

Icom ic-m502a radio-marine: instruction manual
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6
DSC OPERATION
D D Receiving an All Ships call
While monitoring Channel 70 and an All Ships call is received:
➥ Emergency alarm sounds when the category is 'Distress'
or 'Urgency'; 3 beeps sound for other categories.
➥ "
➥ Push
[
[
DSC/ENT
DSC/ENT
the calling station for voice communication; push other key
to ignore the All Ships call.
➥ Monitor the channel for an announcement from the calling
vessel.
D D Receiving a Distress Relay call
While monitoring Channel 70 and a Distress Relay call is re-
ceived:
➥ Emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
➥ "
then, Channel 16 is automatically selected.
➥ Monitor Channel 16 until the emergency communication
has been completed.
30
" appears in the display.
] to change to the channel specified by
]
" appears in the display;
D D Receiving a Distress Relay acknowledgement
While monitoring Channel 70 and a Distress Relay acknowl-
edgement is received:
➥ Emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
➥ "
then, Channel 16 is automatically selected.
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.
➥ "
➥ Push
[
] to change to the channel specified by
[
]
DSC/ENT
DSC/ENT
the calling station for voice communication; push other key
to ignore the Geographical 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.
" appears in the display;
" appears in the display.

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