36 MT-500
INT
TX HI
SENDING
DISTRESS!
CALLING.
Sending Distress Call
• The following screen appears indicating your distress message has been
transmitted.
INT
Distress Call Sent
The DSC distress message is automatically sent on channel 70 and your trans-
ceiver is automatically set to Channel 16 in order to listen for, and respond to,
voice replies from SAR authorities or other vessels which may have received
your distress call. The alarm will sound every 2 minutes to remind you that a
distress message is active. Unless canceled, the distress message is automati-
cally retransmitted every 3 1/2 to 4 1/2 minutes.
Re-transmissions of DSC distress calls are canceled automatically when a
DSC acknowledgment is received from an authorized SAR coast station, or
canceled manually by you.
To manually cancel DSC distress retransmissions from your vessel:
• Press the
END
key. The DISTRESS CANCELED message appears in
the display.
INT
DISTRESS
CANCELED.
Manual Distress Cancel
• If your DSC distress call is acknowledged (ACK) by a coast station, the
DISTRESS! CANCELED. ACK RECEIVE screen appears in the display.
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