I Receiving Dsc Calls - Icom IC-M59 Instruction Manual

4
DIGITAL SELECTIVE CALLING

I 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.
D Receiving a distress call
While monitoring channel 70 and a distress call is received:
➥ Emergency alarm sounds.
➥ "RCV" and "dTR" appear in
the display; then, channel 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.
16
D 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 "RLY" appear in the
➥ Push [16] to stop the alarm.
➥ Monitor channel 16 until the
D Receiving an all ships call
BUSY
LOW
RCV
While monitoring channel 70 and an all ships call is received:
INT
➥ Emergency alarm or beeps
RCV
INT
➥ "RCV" and "ALL" appear in the
➥ Monitor the selected channel for an announcement from
display; then, channel 16 is
automatically selected.
emergency communication
has been completed.
sound depending on the re-
ceived category.
display; then, the channel
specified by the calling station
is automatically selected for
voice communications.
the calling vessel.
BUSY
LOW
RCV
INT
RCV
INT
BUSY
LOW
RCV
INT
RCV
INT