Transmitting; Receiving Acknowledgement; Cancelling A Distress Call Made In Error - Raymarine Ray49 Owner's Handbook Manual

Chapter 5: Digital Selective Calling (DSC)

Transmitting

After the Distress transmission, the radio is automatically set to channel 16 at
high power to listen for and respond to voice replies from Coast Guard or other
vessels that may have received your Distress Call.
To mute the alarm:
Press CLR/WX.
To manually cancel the automatic Distress resend:
Press CLR/WX a second time.
The Distress Call is resent randomly every 3.5 – 4.5 minutes until an
acknowledgement is received or the call is manually cancelled.

Receiving Acknowledgement

After the call is sent, the radio waits for acknowledgement. The display stops
flashing and the alarm sounds continuously until muted or an ACK is received.
16
DISTRES CALL
AWAIT ACK
AUTO
TRANSMIT

Cancelling a Distress Call Made in Error

If the countdown has not been completed, release the DISTRESS key before the
countdown has completed.
If the countdown has completed and the distress call has been sent in error, you
should make an announcement as soon as possible that the distress situation
does not exist.
1. Immediately press CLR/WX two times to cancel the Distress Call. The radio
returns to the state before the Distress Call.
2. Press the 16/9 key. The radio switches to the Priority Channel.
3. Make a broadcast to all stations giving your ship's name, call sign and MMSI
number and cancel the false distress alert. For example:
"All Stations, All Stations, All Stations. This is NAME, CALL SIGN, MMSI ID,
POSITION. Cancel my distress alert of DATE, TIME, NAME, CALL SIGN."
16
DISTRES ACK
RECEIVED
16
FROM:
001234567
ORIGINATOR:
366123456
REPEATS
61
16
UNDESIG
26 06.0098N
080 04.8589W
12:45UTC
D10169-1