Getting started 41About the radio controlsThe radio controls are the PTT key, power/volumecontrol, channel selector, 3-way selector control(optional), scroll keys, selection keys, and functionkeys. Some keys have functions assigned to bothshort and long key presses:■ a short key press is less than one second, and■ a long key press is more than one second.The radio controls and their functions are described inthe following sections.displayPTT key(press-to-talk)scroll keysalphanumerickeysspeaker /microphonepower / volumecontrolchannel selectorstatus LEDright selection keyleft selection keyfunction key 13-way selectorcontrol (optional)function key 2function key 3function key 4
