40 Troubleshooting
two high-
pitched beeps
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, trans-
missions 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
continuous low-
pitched tone
Radio system error: a system error has
occurred and the radio may be inoperable.
The display may show E, E1 or E2.
two long low-
high pitched tone
pairs
Synthesizer is out-of-lock: the radio's
synthesizer is out-of-lock on the current
channel and you cannot operate on
that channel.
The display may show L or OL.
Action and tone Meaning
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