EnglishGetting started 19Getting startedThis section provides a brief description of your radio’s basicoperation. If you need further information, contact your radioprovider.Radio controlsThe radio controls are the PTT key, volume control, on/off key,channel selection keys and function keys. Some keys may havefunctions assigned to both short and long key presses:■ a short key press is defined as less than one second, and■ a long key press is more than one second.The radio controls and their functions are summarized in thefollowing diagram and table.channelselection keyson/off keyvolumecontrolmicrophonesocketpress-to-talk(PTT) keyreddisplayspeakergreenorangemicrophone radio status LEDsfunction keys1 and 2function keys3 and 4