Chapter 5: Digital Selective Calling (DSC) 79
5.6 All Ships Calls
An All Ships Call sends out a message to all stations within range. The Ray49E can
make All Ships Safety Calls for advisory alerts and Urgency Calls when assistance
is required but life is not in danger. For example, you might send a Safety Call to
warn others there is a large floating object that may be a hazard to navigation. A
sample Urgency Call might be that you have an illness or an accident on board.
The All Ships Call is made on channel 70, and then the radio automatically
switches to channel 16 at high power for voice communications.
Transmitting an All Ships Call
1. From the DSC menu, rotate the CH/OK knob until the arrow points to ALL
SHIPS.
2. Press
CH/OK to select. Choose the type of call you wish to make: URGENCY or
SAFETY.
3. Press
CH/OK again to transmit the call. The call is transmitted on channel 70,
and then the radio tunes to channel 16 at high power.
4. Press
CH/OK to reconfirm the All Ships Call. The radio returns to standby
mode.
Press PTT to communicate on channel 16.
Receiving an All Ships Call
How the radio processes an incoming All Ships Call depends upon the call’s
priority. Routine and Safety calls have a lower priority than All Ships Urgency and
Distress calls.
D10305-1
DSC MENU
INDIVIDUAL
GROUP
>ALL SHIPS
73
ALL SHIPS
>URGENCY
SAFETY
[BACK]
73
73
ALL SHIPS
URGENCY
>SEND
CANCEL
16
TX COMPLETE
CH HAS BEEN
CHANGED
PRESS [OK]
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