User Guide

4
DIGITAL SELECTIVE CALLING
14
■ All ships call transmission
Large ships use channel 70 as their “listening channel.” When
you want to announce a message to these ships, use the “all
ships call” function.
➀ Select a simplex channel for
the traffic channel (for voice
communication after sending
the all ships call).
• Some ‘A’ channels (eg. channel 88A) cannot be used.
➁ Rotate [SQUELCH] clockwise until the audio noise disap-
pears.
➂ While pushing [9•ALL/IND] ro-
tate the channel selector to se-
lect “ALL” as at right.
➃ Push and hold [9 •ALL/IND]
until you hear 4 short beeps
change to one long beep.
• The display changes as at right.
➄ Push [PTT] momentarily to
transmit the all ships call.
• After transmission, the channel
set in step ➀ above is selected.
USA
LOW
USA
LOW
USA
USA
LOW
USA
TX
➅ Push and hold [PTT] again to send an announcement to
all ships.
NOTE: Channel busy
When channel 70 is busy, the
all ships call is not transmit-
ted. The transceiver waits
until the channel is clear, then
transmits the call automati-
cally.
NOTE: Error indication
When a transmission inhibited
channel (e.g. ch 70) is se-
lected for the traffic channel,
the display at right appears. In this case, an appropriate
channel must be selected.
This display may also appear if [9•ALL/IND] is accidentally
released early while being pushed and held in step ➂.
LOW
USA
BUSY
This display appears
while the call is in
standby.
LOW
USA