Tait TM8250 Operator's Manual page 134

Action and tone
three beeps
one repeating beep
two low-pitched beeps Radio's temperature is high: the radio's tempera-
two high-
pitched beeps
continuous low-
pitched tone
two long low-high
pitched tone pairs
134 Troubleshooting
Meaning
Transmit timeout imminent: in 10 seconds your
transmit timer will expire and your current trans-
mission will be terminated
Call timeout imminent: your call time is about to
expire (MPT trunked mode only)
ture is in the high-temperature range, but the
radio will continue to operate
Radio's temperature is very high: the radio's
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, or
antenna problem: your radio's antenna may be
damaged or not connected; check the antenna
connection at the rear of the radio and, if the
problem continues, contact your service provider
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