Receiving Individual Calls - Raymarine Ray49 Owner's Handbook Manual

Chapter 5: Digital Selective Calling (DSC)
IND ROUTINE
TOTL MADNES
AWAITING ACK
Press PTT to communicate on the specified channel. Pressing PTT at any time
before an ACK is received cancels the Individual Call

Receiving Individual Calls

When an Individual Call is received, an alert tone sounds, the envelope icon blinks
and the LCD alternates among 3 screens displaying the name (or MMSI ID) of the
station initiating the call and that a request for a change of working channels is
being made. The channel does not change until you accept.
The 3 alternating pages of data are recorded in the Call Log. The envelope icon
( blinks until you accept the call, reject the call, or open the resulting unread
)
message stored in the Log. See page "Received Calls (Logs)" on page 79.
INDIVIDUAL
ROUTINE
FROM:
GOOD RX
To mute the alert tone:
Press CLR/WX. Automatic cancellation takes place after 2 minutes.
To ignore the Individual Call:
Press CLR/WX a second time. The envelope icon disappears, the call is interrupted
and the normal screen appears on the LCD.
To accept an Individual Call:
1. Press CH/OK to change channels to the one designated by the caller. The alert
tone is muted and the envelope icon disappears.
2. If the caller requests an acknowledgement, press CH/OK to send.
3. When the caller responds to the ACK, press CH/OK to return to standby mode.
Establish voice communications on the designated channel by pressing PTT .
If the caller requests that you change to an unsupported working channel the
message INVALID CHANNEL appears on the LCD. If an acknowledgement is sent,
the originating station is sent the message UNABLE TO COMPLY, indicating that
your radio could not make the requested channel change.
72
68
68
ACK RECEIVED
TOTL MADNES
CH HAS BEEN
CHANGED
68
INDIVIDUAL
ROUTINE
CH CHANGE
REQ TO CH72
REPEATS
68
ACK RECEIVED
TOTL MADNES
PRESS [OK]
68
INDIVIDUAL
ROUTINE
PRESS OK OR
PRESS CLR
69