1212121212If a function such as do not disturb were not active, themessage BARTS would be displayed at double-height, asshown below.Confidence tonesThere are two sets of confidence tones available for yourradio: the Tait tone set and the MPT tone set. Whendescribing radio indicators, this manual describes only theTait tone set, which is the default.If your radio has been preprogrammed with confidencetones, a tone will be sounded each time you press a keypadkey or side panel key. For the Tait tone set, a short medium-pitched tone indicates that the keypress is valid, and a long,low-pitched tone indicates that the keypress is invalid. If thekeypress is not valid, you should check to ensure the entryyou are attempting to make is allowed for your radio.
