Icom IC-M424G Instruction Manual - Page 76

Making an Individual call using an AIS transponder

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7 DSC OPERATION ■■Making an Individual call using an AIS transponder 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 automatically set to Routine. See page 75 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 qqSelect a desired AIS target on the plotter, target list or dan- ger list display. • Y ou 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 transponder. wwPush [DSC] to display the voice channel selection screen, and then push [Y] or [Z] to select a desired voice channel*. • V oice channels are already preset into the transponder in recommended 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. Transponder's display Transceiver's display eePush [DSC] to make 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 display "DSC Transmission FAILED." Transponder's display Transceiver's display 66

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66
7
DSC OPERATION
When the optional MA-500TR CLASS B AIS TRANSPON-
DER 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
automatically set to Routine.
See page 75 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
Select a desired AIS target on the plotter, target list or dan-
q
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.
Push [DSC] to display the voice channel selection screen,
w
and then push [
Y
] or [
Z
] to select a desired voice chan-
nel*.
• 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.
Push [DSC] to make an individual DSC call to the AIS tar-
e
get.
• 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