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7
DIGITAL SELECTIVE CALLING (DSC)
D Using an AIS transponder
Transponder operation:
1.
Select an AIS target on the plotter display, Target,
Danger, or Friends list screen.
L See the MA-510TR INSTRUCTION MANUAL for
details.
2.
Push [ENT] to display the Menu window.
• The Menu window is displayed.
3.
Select "Send DSC," and then push [ENT].
• The "DSC TRANSMISSION" screen is displayed.
4.
Push [▲] or [▼] to select a voice channel.
• Voice channels are already preset into the transponder
in the recommended order.
NOTE: When a base station is selected in step 1, a
voice channel will be specified by the base station.
Therefore you cannot change the channel. The
transponder will display "Voice Channel is specified
by the Base station," in this case.
5.
Push [ENT] to make the Individual DSC call.
• "Transmitting individual call" is displayed.
L If Channel 70 is busy, the transceiver stands by until
the channel becomes clear.
6.
After making the Individual DSC call, "DSC
transmission completed." is displayed.
• If the transceiver cannot make the call, "DSC
transmission failed." is displayed.
47
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