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5.DSC Operation
5.7.5 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.
➥ “Received All ships” appears in the display.
➥ Push [
DSC/ENT
] to change to the channel specified by 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.
5.7.6 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.
➥ “Received Distress RLY” appears in the display;
then, Channel 16 is automatically selected.
➥ Monitor Channel 16 until the emergency communication
has been completed.
5.7.7 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.
➥ “Received DTRS RLY ACK” appears in the display;
then, Channel 16 is automatically selected.
5.7.8 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.
➥ “Received Geographic” appears in the display.
➥ Push [
DSC/ENT
] to change to the channel specified by 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.
Note: When no GPS receiver is connected or if there is a
problem with the connected receiver, all Geographical Area
calls are received, regardless of your position.
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