Uniden Polaris Owner's Manual page 52

UT888ZL (POLARIS)-0708 7/8/02 8:13 PM Page 49
Symptom Cause Remedy
Won't power on. No or low voltage. Check for proper voltage getting to
the set.
Reverts to Ch. 16 when Tx key is pressed. Low current or voltage.
Connect to a source of 12 VDC that can supply at least 4 Amps.
When the PTT is pressed – Tx light comes on and another radio can
hear a "click" but no audio is heard. Bad mic element. Send in for
repair.
While scanning the radio stops on a particular channel all of the time.
A source of noise is nearby. Eliminate the source of the noise or delete
the channel from the scanner.
There is noise on the receiver that the squelch will not eliminate. An
external noise is being generated by some device. Either turn off the
offending device or contact that Mfg. Regarding FCC part 15
"unintentional radiator".
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