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4 DIGITAL SELECTIVE CALLING
@ Receiving DSC calls
Several types of DSC transmissions can be received. The re-
quired action depends on the particular DSC type as outlined
in the following examples. However, in all examples, you must
be monitoring channel 70 in order to receive such signals.
NOTE: When channel 70 is set as a tag channel and scan
is functioning, DSC calls will not be received, DSC calls
can only be received when channel 70 is selected.
KS
© Receiving a distress call
While monitoring channel 70 and a distress call is received:
=» Emergency alarm sounds.
> "RCV" and" DISTRESS "ap-
pear in the display; then, chan-
nel
16
is
automatically
selected.
'» Push [16] to stop the alarm.
'» Continue monitoring channel
16 as a coast station may re-
quire assistance in any rescue
attempt.
© Receiving a distress relay call
A distress relay call may be transmitted from a large ship to a
coast station. While monitoring channel 70 and a distress
relay call is received:
'» Emergency alarm sounds.
"RCV" and "JTRS RELAY"
appear in the display; then, chan-
OY
ae
c
nel 16 is automatically selected.
DTRS
RELAY
'= Push [16] to stop the alarm.
' Monitor channel 16 until the
1
Wee
emergency
communication
ey
|
has been completed.
DIRS
RELAY,
© Receiving an all ships call
While monitoring channel 70 and an all ships call is received;
'» Emergency alarm or beeps
An)
sound depending on the re-
Ww
tow
goed ceteonry.
ALL SHIPS
"RCV"
and "ALL
SHIPS"
appear in the display; then, the
channel specified by the call-
ing station is automatically se-
lected for voice .
'» Monitor the selected channel
for an announcement from the calling vessel.
Pe
aes
ALL
SHIPS .
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