Duplex Operation - Icom IC-A24E Instruction Manual

6
VOR NAVIGATION (IC-A24E ONLY)

■ Duplex operation

The duplex function allows you to call a fl ight service station
while receiving a VOR station. The duplex function requires
frequency programming for the flight service station in ad-
vance.
D Programming a duplex frequency
q Push [CLR•
DEL
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" fl ashes and transmit frequency appears.
r Set the frequency of the flight service station using the
tuning dial or keypad. When using the tuning dial, push
[ENT] after setting a frequency.
• The displayed frequency returns to the NAV band frequency.
EXAMPLE: Programming 123.65 MHz as the transmit frequency in the duplex function.
24
] to select the frequency mode.
].
DUP-W
D Operating the duplex function
q Set the desired frequency in the NAV band.
• NAV band frequency range: 108.00–117.975 MHz
w Push
, then push [6•
DUP
ON.
• "DUP" appears on the function display.
e Push and hold [PTT] to transmit at the pre-programmed
transmit frequency.
r Release [PTT] to return to receive.
t Push
, then push [6•
DUP
• "DUP" disappears on the function display.
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.
] to turn the duplex function
] to cancel the function.