Icom IC-M506 Instruction Manual - Page 81
Making an Individual call using an AIS transponder
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DSC OPERATION 7 ■■Making an Individual call using an AIS transponder 1 When the optional MA-500TR CLASS B AIS TRANSPONDER is 2 connected to your transceiver, an individual DSC call can be 3 transmitted to a selected AIS target, without needing to enter the target's MMSI code. In this case, the call type is automati- 4 cally set to Routine. 5 See page 102 for connecting instructions. 6 To ensure correct operation of the DSC function, make sure you correctly set the CH70 SQL Level. (p. 71) 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]/[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. 7 Transponder's display Transceiver's display eePush [DSC] to transmit an individual DSC call to the AIS 8 target. 9 • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. 10 • If the transceiver cannot make the call, the transponder will display "DSC Transmission FAILED." 11 12 13 14 15 16 Transponder's display Transceiver's display 72