■ Call procedureWhen your system employs tone signalling (excluding CTCSSand DTCS), a call procedure may be necessary prior to voicetransmission. The tone signalling employed may be a selec-tive calling system, which allows you to call specific station(s)only, and prevent unwanted stations from contacting you.q Select the desired TX code channel according to your sys-tem operator’s instructions.• This may not be necessary, depending on the pre-programmedsettings.• Refer to pages 14 and 15 for details.w Push [Call] (assigned to one of the dealer programmablekeys).e After transmitting, the remainder of your communicationcan be carried out in the normal fashion.Selective calling Non-selective calling■ Receiving and transmittingCAUTION: Transmitting without an antenna may damagethe transceiver. See page 1 for accessory attachments.Receiving:q Rotate [VOL] to turn the power ON.w Push [CH Up] or [CH Down], or rotate [ROTARY SELEC-TOR]* to select a channel, in sequence.*Depending on the pre-programmed settings.e When receiving a call, rotate [VOL] to adjust the audio out-put level to a comfortable listening level.NOTE: Depending on the pre-programmed settings, thetransceiver automatically transmits the microphone audiofor the pre-programmed time period when a matching sig-nal is received.Transmitting:Wait for the channel to become clear to avoid interference.q While holding down [PTT], speak into the microphone atyour normal voice level.• When a tone signalling system is used, the call procedure de-scribed to the left may be necessary.w Release [PTT] to return to receive.IMPORTANT: To maximize the readability of your signal;1. Pause briefly after pushing [PTT].2. Hold the microphone 5 to 10 cm from your mouth, thenspeak into the microphone at a normal voice level.133 BASIC OPERATION