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If a function such as do not disturb were not active, the
message
BARTS
would be displayed at double-height, as
shown below.
Confidence tones
There are two sets of confidence tones available for your
radio: the Tait tone set and the MPT tone set. When
describing radio indicators, this manual describes only the
Tait tone set, which is the default.
If your radio has been preprogrammed with confidence
tones, a tone will be sounded each time you press a keypad
key 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 the
keypress is not valid, you should check to ensure the entry
you are attempting to make is allowed for your radio.