65
7
DSC OPERATION
New2001
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When the optional MA-500TR
CLASS B AIS TRANSPONDER
is
connected to your transceiver, an individual DSC call can be
transmitted to a selected AIS target, without needing to enter
the target’s MMSI code. In this case, the call type is automati-
cally set to Routine.
See page 95 for connecting instructions.
To ensure correct operation of the DSC function, make
sure you correctly set the CH70 SQL Level. (p. 64)
Step 1: Transponder’s operation
q
Select a desired AIS target on the plotter, target list or dan-
ger list display.
• You can also go to the next step whenever the detail screen of
the AIS target is displayed.
• Make sure the transceiver is in the normal operating mode. Oth-
erwise, you cannot make an individual DSC call using the tran-
sponder.
w
Push [DSC] to display the voice channel selection screen,
and then push [
Y
]/[
Z
] to select a desired voice channel*.
• Voice channels are already preset into the transponder in recom-
mended order.
* When a coast station is selected in step
q
, a voice channel will
be specified by the coast station, therefore you cannot change
the channel. The transponder will display “Voice Channel is
specified by the Base station,” in this case.
e
Push [DSC] to transmit an individual DSC call to the AIS
target.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
• If the transceiver cannot make the call, the transponder will dis-
play “DSC Transmission FAILED.”
■
Making an Individual call using an AIS transponder
Transponder’s display
Transceiver’s display
Transponder’s display
Transceiver’s display
Summary of Contents for IC-M506GE
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