Icom IC-M502 Instruction Manual page 28

6
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.
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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.