3
FREQUENCY AND CHANNEL SETTING
13
■ Main band selection
This transceiver can receive 2 band signals simultaneously.
To change frequency or to activate a function, you must des-
ignate a band, VHF or UHF, as the main band. All switches
affect the designated main band only.
•“Q” appears above the main band.
■ Operating band selection
The VHF display can also receive UHF, avionics band*
1
and
VHF weather channels.*
2
The UHF display can also receive
VHF band signals. Using this capability, the transceiver can
receive 2 frequencies simultaneously on either the VHF or
UHF band. In addition, a display can be turned OFF to use
the transceiver as a mono band transceiver.
q Select the desired
band with [MAIN].
w Push [BAND] several
times to select the de-
sired band.
•“--- --” appears when
the display is OFF.
•Rotating [DIAL] while
pushing [BAND] also
selects the display.
*
1
U.S.A. and Asia versions only *
2
U.S.A. version only
D Exchanging the displays ]
VHF and UHF displays can be ex-
changed at power ON if desired. The
right and left displays are used for
VHF and UHF, respectively, by de-
fault.
q Turn power ON while pushing [
(BAND)CHNG] to enter band
arrangement condition.
w Rotate [DIAL] to select the displays.
e Push [VFO] to program the display selection.
r Turn power OFF to exit band arrangement condition.
NOTE:
•VHF and UHF memory channels are called up from the
respective operating band, regardless of left/right displays.
•5 kHz tuning steps cannot be selected in the VHF display
when both displays are set for the UHF band.
•The sub band is muted when crossband full duplex is de-
activated and the main band is transmitting.
•The sub band is muted under the following conditions
even when crossband full duplex is activated:
- Both displays show the same band.
-
Sub band is the avionics band and main band is VHF transmission.
- Sub band is a weather channel and main band is UHF trans-
mission.
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