145 CONVENTIONAL OPERATION■ Receiving and transmittingNOTE: Transmitting without an antenna may damage thetransceiver. See (p. 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 the conventional system channel, in se-quence.*Depending on the pre-setting.e When receiving a call, adjust the audio output level to acomfortable listening level.Transmitting:Wait for the channel to become clear to avoid interference.q Push [Call] when initiating a call from your side.• Coded audio may be heard from the transceiver, then “ ” ap-pears.• This operation may not be necessary depending on your signal-ing system. Ask your dealer for details.w While pushing and holding [PTT], speak into the micro-phone at a normal voice level.e 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 (2 to 4 inches) fromyour mouth, then speak into the microphone at a nor-mal voice level.D Transmitting notes• Transmit inhibit functionThe transceiver has several inhibit functions which restricttransmission under the following conditions:- The channel is in mute condition (‘Inaudible’ condition;“ ” does not appear.)- The channel is busy.- Un-matched (or matched) CTCSS is received.(Depending on the pre-setting.)- The selected channel is a ‘receive only’ channel.• Time-out timerAfter continuous transmission for the pre-programmed timeperiod, the time-out timer is activated, causing the trans-ceiver to stop transmitting.• Penalty timerOnce the time-out timer is activated, transmission is furtherinhibited for a period determined by the penalty timer.