Understanding the radio indicators 33About your radioOne long, low-pitched beep! Invalid keypress: the action you haveattempted is not permitted, or! Transmission inhibited: you haveattempted to transmit, but for some rea-son you cannot make a call at this timeOne short, low-pitched beepFunction deactivated: a function has beenturned off (using either the Main menu or afunction key)Two short beeps Radio turned on: the radio is powered onand ready to useTone Meaning