Receiving “Distress Call” - Raymarine Ray 53 User Manual

---- Distress signal can be automatically transmitted.( "TX" is displayed on the
LCD during transmitting.)
4. After transmitting Distress signal,the unit will wait for an acknowledgement from
the other ship.
---- Channel Display(Large) displays 70CH.
---- Channel Display(Small) displays "16" which means the channel after
receipt of an acknowledgement will be 16CH.
---- "TX" will be eliminated.
5. If the unit does not receive any acknowledgement from the other ships for Distress
Call even after Distress Call was transmitted, Distress signal can be
transmitted automatically randomly every 3.5 – 4 sec until receiving
acknowledgement from the others.
When the acknowledgement is received,the automatic transmission will not be
necessary.
6. Once an acknowledgement is received from the other ship, Alerm tone will sound
and "Distress Call" mode will be exited and the unit automatically select 16CH.
---- "ACK" is displayed by receiving acknowledgement. ("ACK" will be eliminated
after 16CH is selected.)
---- "DSC" is eliminated.
---- Channel Display(Large) displays 16CH of Working CH.
---- Channel Display(Small) is eliminated.
7) Receiving "Distress Call"
The receivable Channel is only 70CH. It can be done even in working CH, Monitor
mode and Scan mode.
When the unit receive the signal, the unit will become automatically "DSC" mode
(1)When the unit receives "Distress Call" at 70CH.
---- "DSC" is displayed which means the unit is in DSC mode.
---- Channel Display(Large) displays 70CH.