Icom IM422 - Manual (Page 33)

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6
DSC OPERATION
6
D Receiving a Group call
While monitoring Channel 70 and a Group call is received:
➥ The emergency alarm or beeps sound for 2 minutes de-
pending on the received category.
• Push any key to stop the alarm or beeps.
➥ “DSC” appears and “ ” scrolls at the channel
comment indicator.
➥ Push [DSC•
POS ] to select the channel specified by the
calling station for voice communication; push any other key
to ignore the call.
D Receiving an All Ships call
While monitoring Channel 70 and an All Ships call is received:
➥ The emergency alarm sounds for 2 minutes when the cat-
egory is ‘Distress’ or ‘Urgency’; the beeps sound for 2 min-
utes for other categories.
• Push any key to stop the alarm or beeps.
➥ “DSC” appears and “ ” scrolls at the channel
comment indicator.
➥ Push [DSC•
POS ] to monitor Channel 16 for an announce-
ment 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 for 2 minutes de-
pending on the received category.
• Push any key to stop the alarm or beeps.
➥ “DSC” appears and “ ” scrolls at the
channel comment indicator.
➥ Push [DSC•
POS ] to select the channel specified by the
calling station for voice communication; push any other key
to ignore the 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.
Scrolls
Scrolls
Scrolls