Icom IC-M400BB Instruction Manual - Page 12
Ais Transponder
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3 AIS TRANSPONDER ■■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 7 for connecting instructions. To ensure correct operation of the DSC function, make sure you correctly set the CH70 SQL LEVEL. See (¤5) of the HM-195 instruction manual. 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. 4 Transponder's display Microphone's display eePush [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 display "DSC Transmission FAILED." Transponder's display Microphone's display