➂
When a distress acknowledge-
ment is received, emergency
alarm sounds and channel 16
is automatically selected.
• Push [
16
• CLR] to stop the alarm.
➃
Transmit your distress call particulars by voice using the fol-
lowing procedure:
1. “MAYDAY.”
2. “THIS IS (name of your vessel).”
3. The 9-digit identity AND the call sign (or other vessel
identification).
4. Your vessel’s position if DSC does not include it.
5. The nature of the distress and assistance required.
6. Any other information which might facilitate the rescue.
NOTE: When a GPS receiver (NMEA 0183) is connected,
your vessel’s position is automatically transmitted with the
distress call.
NOTE: Acknowledgement of a DSC distress alert is nor-
mally made by coast stations only.
4
DIGITAL SELECTIVE CALLING
13
■
Distress call transmission
CAUTION:
Distress calls may be transmitted under
conditions of emergency only i.e. your vessel is in danger
of sinking and/or a person’s life is in danger.
➀
Lift the cover on the DSC box
and push [DISTRESS] for 5
sec.
• Channel 70 is automatically se-
lected and a distress call is trans-
mitted.
• To cancel the distress call before
the 5 sec. have elapsed, release
[DISTRESS] or push [
16
• CLR].
➁
The transceiver remains on
channel 70 until an acknowl-
edgement is received.
• The [DISTRESS] switch and “dTR” flashes until an acknowledge-
ment is received.
• When no acknowledgement is received, the distress call is re-
peated at random intervals every 3.5 to 4.5 min. until an ac-
knowledgement is received.
• To cancel this, push [
16
• CLR]—channel 16 is selected.
• Calls to you other than distress acknowledgement cannot be re-
ceived.
INT
LOW
INT
T X
INT
INT
INT
ACK RCV
BUSY
ACK RCV
LOW
