26  Getting started
Audible tones
The radio uses audible tones to alert you to its status:
■ Radio controls and keypress tones—the tones and 
beeps you hear when you press your radio’s keys or 
use the controls. (You can turn these tones off—see 
“Turning off radio controls and keypress tones” on 
page 82.)
■ Incoming call tone—when the radio is receiving 
a call.
■ Warning tones—when there is an error.
Note: If quiet or silent mode is turned on, you will not 
hear any alert tones. See 
“Customizing the audible alert 
settings” on page 81.
Some of the more common audible tones are 
described
 below:
Tone Meaning
One short beep
■ Valid keypress: the action you have 
attempted is permitted
■ Function activated: a function has been 
turned on (using either the Main menu 
or a function key)
One long, low-
pitched beep
■ Invalid keypress: the action you have 
attempted is not permitted
■ Transmission inhibited: you have 
attempted to transmit, but for some rea-
son you cannot make a call at this time
One short, low-
pitched beep
Function deactivated: a function has been 
turned off (using either the Main menu or a 
function key)
Two short beeps Radio turned on: the radio is powered on 
and ready to use