Tait TM8250 User Manual page 91

Action and tone
two low-
pitched beeps
two high-pitched beeps Radio's temperature is very high: the radio's
continuous low-
pitched tone
two long low-high
pitched tone pairs
92 Troubleshooting
Meaning
Radio's temperature is high: the radio's temperature is
in the high-temperature range, but the radio will
continue to operate
temperature is in the very high temperature range
and all transmissions will now be at low power; if
the radio's temperature rises outside this range,
transmissions will be inhibited
Radio system error: a system error has occurred
and the radio may be inoperable
Synthesizer is out-of-lock: the radio's synthesizer
is out-of-lock on the current channel and you
cannot operate on that channel