Icom IC-R2500 Instruction Manual

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Icom IC-R2500 Instruction Manual Manual pdf 22 page image

174 BASIC OPERATIONDuplex communication uses two different frequencies fortransmitting and receiving. Generally, duplex is used in com-munication through a repeater, some utility communications,etc.During duplex operation, the transmit station frequency isshifted 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. 16))DD Setting [q Push [SET•SKIP] to enter set mode.wPush [SET•SKIP] or [ATT•PRIO] several times until theduplex direction setting item “OFF dP,” “DUP– dP” or “DUP+dP” appears.eRotate [DIAL] to select the duplex direction, “DUP– dP” or“DUP+ dP .”rPush [SET•SKIP] once to select the offset frequency set-ting item.tRotate [DIAL] to set the desired offset frequency within0.000–1000.000 MHz range.• The tuning step, selected in VFO mode, is used for setting.• Push [MHz• TS] then rotate [DIAL] to change the frequency in10 MHz steps, or push again then rotate [DIAL] to change thefrequency in 1 MHz steps. (Each push toggles 1MHz, 10 MHzor selected tuning steps.)yPush any switch for main band to exit set mode.[SET•SKIP][DIAL][ATT•PRIO]■ Duplex operation