Icom IM422 Marine Radio User Manual


 
26
6 DSC OPERATION
Receiving DSC calls
D Receiving a Distress call
While monitoring Channel 70 and a Distress call is received:
The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
DSC” appears and “ ” scrolls at the channel
comment indicator, then Channel 16 is selected automati-
cally.
Continue monitoring Channel 16 as a coast station may re-
quire assistance.
D Receiving a Distress Acknowledgement
While monitoring Channel 70 and a Distress acknowledge-
ment to other ship is received:
The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
DSC” appears and “ ” scrolls at the
channel comment indicator, then Channel 16 is selected
automatically.
D Receiving a Distress Relay call
While monitoring Channel 70 and a Distress Relay acknowl-
edgement is received:
The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
DSC” appears and “ ” scrolls at the channel com-
ment indicator, then Channel 16 is selected automatically.
D Receiving an Individual call
While monitoring Channel 70 and an Individual 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 chan-
nel comment indicator.
Push [DSCPOS] to reply the call and select the channel
specified by the calling station for voice communication (de-
pending on your replying condition. See p, 18 for Individual
acknowledgement call procedure for details.); push any
other key to ignore the call.
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