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6 DSC OPERATION
D Receiving an All Ships call
While monitoring Channel 70 and an All Ships call is received:
➥ The emergency alarm sounds when the category is ‘Dis-
tress’ or ‘Urgency’; 2 beeps sound for other categories.
➥ “DSC” appears and “ ” scrolls at the channel
comment indicator.
➥ Push any key to stop beep, then push [DSC] to monitor
channel 16 for an announcement from the calling vessel,
push any other key to ignore the call.
D Receiving a Geographical Area call
While monitoring Channel 70 and a Geographical Area call
(for the area you are in) is received:
➥ The emergency alarm or beeps sound depending on the
received category.
➥ “DSC” appears and “ ” scrolls at the chan-
nel comment indicator.
➥ Push any key to stop the beep, then push [DSC] to change
to the channel specified by the calling station for voice
communication; push any other key to ignore the Geo-
graphical 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.
