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DSC OPERATION
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Distress call ■
A Distress call should be transmitted if, in the opinion of the
Master, the ship or a person is in distress and requires im-
mediate assistance.
NEVER MAKE A DISTRESS CALL IF YOUR SHIP OR A
PERSON IS NOT IN AN EMERGENCY. A DISTRESS
CALL SHOULD BE MADE ONLY WHEN IMMEDIATE
HELP IS NEEDED.
Simple call D
Confi rm no Distress call is being received. q
While lifting up the key cover on the back side of the trans- w
ceiver, hold down [DISTRESS] for 3 seconds to transmit
the Distress call.
• While holding down [DISTRESS], count down beeps sound and
both the key and display backlighting blink.
• DSC channel (Channel 70) is automatically selected and the
Distress call is transmitted.
NOTE: The distress call is paused for up to 15 seconds
when no valid position data is received. The distress call
is made when a valid position data is received within 15
seconds.
• If valid position data cannot be received within 15 seconds, the
distress call is made with a stored position data.
After the call, the transceiver waits for an acknowledgment e
call on channel 70 for 10 seconds, and then waits for a call
by alternately monitoring channel 70 and channel 16.
• The Distress call is automatically transmitted every 3.5 to 4.5
minutes, until an acknowledgement is received (‘Call repeat’
mode), or DSC Cancel call is made. (p. 27)
• Push [RESEND] to manually transmit the Distress repeat call.
• Push [Ω]/[≈] then push [INFO] to display the transmitted Dis-
tress call information.
• Push [Ω]/[≈] then push [PAUSE] to pause the ‘Call repeat’ mode,
push [RESUME] to resume it.
After receiving the acknowledgment, push [ALARM OFF] r
then reply using the microphone.
A distress alert default contains: ➥
• Nature of distress: Undesignated distress
• Position information: The latest GPS or manual input position
is held for 23.5 hours, or until the power is turned OFF.
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