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4
REPEATER AND DUPLEX OPERATION
4-4
Duplex operation
The duplex operation shifts the transmit frequency
up or down from the receive frequency by an offset
amount.
D
Setting the frequency offset
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
receive frequency by the offset amount.
• +:
The transmit frequency shifts up from the
receive frequency by the offset amount.
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.
•
The frequency shifts by the offset amount.
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.