Icom IC-F21GM - Manual (Page 20)

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CHAPTER CONTINUED
D D SELECTING RF OUTPUT POWER
The transceiver has 3 output power levels to suit your operating re-
quirements. Low out put power settings during short-distance com-
munications may reduce the possibility of interference to other
stations, and will reduce current consumption.
q While pushing and holding [PTT], [MONI], turn [OFF/VOL] to
power ON.
w Push [MONI] to toggle between Low1 (1 W ; Pi), Low2 (2 W ;
PiPi) and High (4 W ; PiPiPi).
e Turn the power OFF, and then ON again.
D D SETTING THE SIMPLEX/DUPLEX OPERATION
The Simplex/Duplex function changes duplex channels to simplex
channels.
q While pushing and holding [PTT], [MONI], turn [OFF/VOL] to
power ON.
w Turn CH selector knob to select the desired channel.
e Push [W/N] to turn the simplex mode ON.
• A beep (Pi) is emitted.
or
e Push and hold [W/N] to turn the duplex mode ON.
• A long beep (Pii) is emitted.
r Turn the power OFF, and then ON again.
NOTE: Duplex mode is available between CH 1 to CH 8. (see
right.)