Customizing radio settings 35Customizing radio settingsThis section describes the ways in which you can customizeyour radio.The following settings are described in this section:■ changing the external alert option■ changing the volume of all audible tones■ changing the volume of keypress tones■ changing to quiet operation■ changing to silent operation■ changing backlighting settingsChanging the external alert optionIf you are away from your radio and unable to answer callsimmediately, an external alert, such as a car horn, mayactivate when you receive a call. The external alert continuesfor a period of time and is then turned off.To turn external alert on or off:■ Press the assigned function key.Changing the volume of all audible tonesYou can set the volume of all the audible tones to either highor low. Audible tones include incoming call tones, warningtones and confirmation tones.To change the volume of your radio’s audible tones:■ Press the assigned function key.Changing the volume of keypress tonesWhenever you press the radio keys, the keypress tones giveyou an audible indication as to whether or not your action isallowed. A short, medium-pitched beep indicates that anaction is allowed. A long, low-pitched beep indicates that theaction is not allowed.