24
6
VOR NAVIGATION (IC-A24 ONLY)
■
Duplex operation
(U.S.A. version only)
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 ad-
vance.
D
Programming a duplex frequency
q
Push [CLR•
DEL
] to select the frequency mode.
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.
• The displayed frequency returns to the NAV band frequency.
D
Operating the duplex function
q
Set the desired frequency in NAV band.
• NAV band frequency range: 108.00–117.975 MHz
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.
r
Release [PTT] to return to receive.
t
Push
, then push [6•
DUP
] to cancel the function.
• “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.
EXAMPLE:
Programming 123.65 MHz as the transmit frequency in the duplex function.
6
IC-A24_A6-5.qxd 2007.04.23 4:32 PM Page 25