164BASIC OPERATION4■ TransmittingNOTE: To prevent interference, listen on the channel be-fore transmitting by pushing and holding [SQL] (ATT•SET).q Set the operating frequency. (pgs. 9, 11)• Transmission is available on the 144 MHz/440 MHz (FM mode)amateur bands only.• Select output power if desired. See the section at right for details.w Push and hold [PTT] to transmit.• TX/RX indicator lights red.• S/RF meter shows the output power level.e Speak into the microphone using your normal voice level.• DO NOT hold the transceiver too close to your mouth or speaktoo loudly. This may distort the signal.r Release [PTT] to return to receive.■ Transmit power selectionThe transceiver has two output power levels to suit your op-erating requirements. Low output power during short-rangecommunications may reduce the possibility of interference toother stations and will reduce current consumption.➥ While pushing and holding [FUNC], push [PTT] to togglethe transmit output power between High and Low.• “LOW” appears when the low power is selected.SCANS.MWSETDTCST SQLWFMAM -DUPLOWLOW VOL PRIO P SKIPMR519AppearsSCANS.MWSETTX/RX indicatorMicrophoneCAUTION: Transmitting without an antenna will damagethe transceiver.