Pro-164 scratchy squelch

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wheels63

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Wisconsin Rapids,Wi.
Sounds like it is dirty.Buy some tuner cleaner to clean it.It comes in a spray can .Radio Shack should have it .I`v cleaned a few on my scanners.

Tom
 

WA0CBW

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Shawnee Kansas (Kansas City)
You might be able to remove the knob and "drizzle" the cleaner down the shaft but normally you would spray the cleaner directly into the potentiometer. This would require opening the case and maybe removing the circuit board to get to the pot.
 
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