Icom IC-M502 Marine Radio User Manual


 
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DSC OPERATION
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 switch to stop the alarm.
“Received DTRS RLY ACK” appears in the display; then,
channel 16 is automatically selected.
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 switch 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.
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.
“All ships Distress,” “All ships Safety” or “All ships Urgency”
appears in the display; then, the channel specified by the
calling station is automatically selected for voice communi-
cation.
Monitor the selected channel for an announcement from
the calling vessel.
Receiving an individual call
While monitoring channel 70 and an individual call is re-
ceived:
Emergency alarm or beeps sound depending on the re-
ceived category.
“Individual Distress,” “Individual Safety,” “Individual Ur-
gency” or “Individual Routine” appears in the display.
The channel specified by the calling station is automatically
selected for checking the channel condition.
Safety
Allships
<Icom3
Received
<Icom2
DistressRLY
Received
>TokyoCG
DTRS RLY ACK
<TokyoCG
Received
>Icom2