4
REPEATER AND DUPLEX OPERATION
4-4
Duplex operation
The duplex operation shifts the transmit frequency 
amount.
 D 
1.  Push [SET] to enter the Set mode.
 • A Set mode item is displayed.
2.  Repeatedly push [SET] to select “OFFSEt.”
 
3.  Rotate [DIAL] to set the frequency offset.
 • “DUP” blinks.
 L Set to between 0.000 and 20.000 (MHz).
 L Changes in the tuning step selected in the Set mode.
 
 
4.  Push [V/M/C] to exit the Set mode.
UHF default
VHF default
 D Setting the duplex direction
1.  Push [SET] to enter the Set mode.
 • A Set mode item is displayed.
2.  Repeatedly push [SET] to select “dUP.”
 
3.  Rotate [DIAL] to set a duplex direction.
 • OFF: The receive and transmit frequencies are the 
same.
 • –: The transmit frequency shifts down from the 
 • +: The transmit frequency shifts up from the 
 
 
4.  Push [V/M/C] to exit the Set mode.
 • “DUP” or “DUP-” is displayed when the duplex 
direction is set.
 
–
+
 D Duplex operation
1.   Hold down [MONI] to listen to the transmit 
frequency to check whether another station is 
transmitting on it or not.
 • 
2.   Operate in the same way as a simplex call, 
alternately transmit and receive.
NOTE for the USA version:
The Duplex mode is automatically canceled 
when the Auto Repeater function (p. 4-5) is 
ON, and the operating frequency is set out of the 
repeater output frequency range.