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17
6
DSC OPERATION
■
Receiving DSC calls
ï
ï
Receiving a distress call
While monitoring Ch 70 and a distress
call is received:
➥
Emergency alarm sounds for 2 min-
utes.
• Push any switch to stop the alarm.
➥
“DSC” appears and “RCV Distress” scrolls in the display,
then Ch 16 is automatically selected.
➥
Continue monitoring Channel 16 as a coast station may re-
quire assistance.
ï
ï
Receiving a distress acknowledgement
While monitoring Ch 70 and a distress
acknowledgement to other ship is re-
ceived:
➥
Emergency alarm sounds for 2 min-
utes.
• Push any switch to stop the alarm.
➥
“RCV Distress ACK” scrolls in the display, then Channel 16
is automatically selected.
ï
ï
Receiving a distress relay acknowledgement
While monitoring Ch 70 and a dis-tress relay acknowledge-
ment is received:
➥
Emergency alarm sounds for 2 min-
utes.
• Push any switch to stop the alarm.
➥
“RCV Distress Relay ACK” scrolls in the display; then
Ch 16 is automatically selected.
ï
ï
Receiving a distress relay call
While monitoring Ch 70 and a distress relay call is received:
➥
Emergency alarm sounds for 2 min-
utes.
• Push any switch to stop the alarm.
➥
“RCV Distress Relay” appears in the
display, then Channel 16 is automati-
cally selected.
➥
Monitor Channel 16 until the emergency communication
has been completed.
ï
ï
Receiving an all ships call
While monitoring Ch 70 and an all ships call is received:
➥
Emergency alarm sounds when the category is “Distress”
or “Urgency;” 2 beeps sound for other
categories.
➥
“RCV All ships” scrolls in the display;
then,the channel specified by the call-
ing station is automatically selected for
voice communication.
➥
Monitor the selected channel for an announcement from
the calling vessel.
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Summary of Contents for IC-M402
Page 1: ...IC M402 ...
Page 30: ...24 9 INSTALLATION AND MAINTENANCE er s d at at n y EXAMPLE ...
Page 43: ...HONE Cap ut ...
Page 47: ......
Page 48: ...42 14 MB 69 HM 127 TEMPLATE Unit mm inch MB 69 ...
Page 49: ...44 15 OPTION r t M x ...
Page 50: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...