ICOM ic-r2 User Manual

24

9

Duplex communication uses 2 different frequencies for trans-
mitting and receiving. Generally, duplex is used in communi-
cation through a repeater, some utility communications, etc.

During duplex operation, the transmit station frequency is
shifted from the receive station frequency by the offset fre-
quency. Repeater information (offset frequency and shift di-
rection) can be programmed into memory channels. (p. 12)

This function is not available in the broadcast band (0.495

– 1.620 MHz) except for U.S.A. and Canada versions.

q

Set the receive station frequency (repeater output fre-
quency).

w

Set the shift direction and offset of the transmit station fre-
quency as described below.

e

Push and hold [SQL] to monitor the transmit station fre-
quency (repeater input frequency) directly.

D

q

Push [V/M] for 2 sec. to enter expanded set mode.

w

Rotate [DIAL] until “DUP” appears.

• Turn the expanded set mode ON for

selection. (p. 25)

• “DUP” disappears after 1 sec. and

“dP” appears.

e

While pushing [FUNC], rotate
[DIAL] to select “– DUP” or “+DUP.”

• “–DUP” or “+DUP” indicates the transmit station frequency for

minus shift or plus shift, respectively.

r

Push [V/M] to exit set mode.

D

During duplex operation, the transmit station frequency is
shifted from the receive station frequency by an amount de-
termined by the offset frequency.

q

Select VFO mode or desired memory channel to be pro-
grammed.

w

Push [V/M] for 2 sec. to enter expanded set mode.

e

Rotate [DIAL] until “OFFSET” appears.

• Turn the expanded set mode ON for selection. (p. 25)
• “OFFSET” disappears after 1 sec. and “OW” appears.

r

While pushing [FUNC], rotate [DIAL] to set the desired off-
set.

• The offset frequency changes according to the selected tuning

step.

t

Push [V/M] to exit set mode.

Offset frequency set mode

0.6 MHz (600 kHz) offset

Minus shift