Icom IC-A6 Instruction Manual - Page 29
Duplex operation - frequency range
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6 VOR NAVIGATION (IC-A24 ONLY) I Duplex operation (U.S.A. version only) D Operating the duplex function q Set the desired frequency in NAV band. • NAV band frequency range: 108.00-117.975 MHz The duplex function allows you to call a flight service station while receiving a VOR station. The duplex function requires frequency programming for the flight service station in advance. w Push , then push [6•DUP] to turn the duplex function ON. • "DUP" appears on the function display. e Push and hold [PTT] to transmit at the pre-programmed transmit frequency. D Programming a duplex frequency r Release [PTT] to return to receive. 6 t Push , then push [6•DUP] to cancel the function. q Push [CLR•DEL] to select the frequency mode. • "DUP" disappears on the function display. w Set a NAV band frequency using the tuning dial or keypad. • NAV band frequency range: 108.00-117.975 MHz e Push , then push [5•DUP-W]. • "DUP" flashes and transmit frequency appears. r Set the frequency of the flight service station using the tun- ing dial or keypad. When using the tuning dial, push [ENT•WX] after setting a frequency. NOTE: A duplex frequency can be programmed into each memory channel independently. Set a duplex frequency before programming the memory channel, if desired. The duplex ON/OFF setting can also be programmed into a memory channel. • The displayed frequency returns to the NAV band frequency. EXAMPLE: Programming 123.65 MHz as the transmit frequency in the duplex function. 24