4
DIGITAL SELECTIVE CALLING
17
D
Receiving a geographical area call
While monitoring channel 70 and a geographical area call (for
the area you are in) is received:
➥
Emergency alarm or beeps
sound depending on the re-
ceived category.
➥
“RCV” and “GEO” appear in
the display; then, the channel
specified by the calling station
is automatically selected for
voice communications.
➥
Monitor the selected channel for an announcement from
the calling ship.
NOTE: When no GPS receiver is connected, or if there is
a problem with the connected receiver or if the NMEA data
is wrong, all geographical area calls are received, regard-
less of your position.
While selecting “Able to comply” and an individual call
is received:
➥
Emergency alarm or beeps
sound depending on the re-
ceived category.
➥
The transceiver automatically
transmits an acknowledgment
(with able to comply).
➥
The channel specified by the
calling station is automatically
selected.
➥
Communicate with the calling
station when he or she requires such.
While selecting “Unable to comply” and an individual
call is received:
➥
Emergency alarm or beeps
sound depending on the re-
ceived category.
➥
The transceiver automatically
transmits an acknowledgment
(with unable to comply) .
➥
The channel remains on chan-
nel 70.
INT
RCV
BUSY
INT
LOW
RCV
INT
ACK
T X
RCV
INT
INT
RCV
BUSY
LOW
INT
RCV
BUSY
INT
LOW
INT
ACK
T X
ACK
LOW