6 Basic operationA b o u t y o u r ra d i oTurning your radio on/offA long press of the on/off key turns the radio either onor off. When the radio is first turned on, the red, greenand amber LEDs flash briefly and the radio gives twoshort beeps..Adjusting the volumeRotate the volume control clockwise to increase thespeaker volume, and counter-clockwise to decrease thevolume. The raised dot indicates the current volumesetting.Making calls1 Select the required channel, scan group, zone orpreset call.2 Lift the microphone off the microphone clip.3 Hold the microphone about 5 cm (2 inches) fromyour mouth and press the PTT key to transmit.Note: If the channel is busy, you will not be able totransmit. Wait until the red status LED has stoppedflashing, and then try again.4 Speak clearly into the microphone and release thePTT key when you have finished talking.volumecontrolon/off key