Tait TM8250 Operator's Manual page 27

Audible tones
Note: If quiet or silent mode has been turned on, you will not
hear any audible tones.
For a description of other tones you may hear, see
the radio's audible tones" on page
Tone type Meaning
one short Valid key press: the action you have attempted
beep is permitted, or
Function activated: a function key has been
pressed and that function has been activated
one long, Invalid key press: the action you have
low-pitched attempted is not permitted, or
beep Transmission inhibited: you have attempted to
transmit but for some reason transmission is
not permitted at this time
one short, Function deactivated: a function key has been
low-pitched pressed and the corresponding function has
beep been turned off
"Describing
122.
Getting started 27