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Tk-8180 Sensitivity

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Premium Subscriber
Aug 13, 2011
I purchased a 8180 on eBay and after programming it it seems to be almost too sensitive. The receive light is always on and there's always 1 signal bar on the screen regardless of what channel I switch to. Also occasionally at the and of receiving a transmission there's a burst of static like the squelch stays open too long. Anyone have any ideas? I updated it too the latest firmware with no notable differences.

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I ♥ Ø
Jul 27, 2005
LATA 722
Couple of things it could be:

If you are in a high RF noise environment, it might be picking that up. Noisy computers, DSL modems, WiFi access points, etc. can all create noise. Bad power supplies can, too.
If this is a mobile install, vehicle electronics can cause all kinds of noise. Powering directly off the vehicle battery and proper grounding can address most of it.

It could also be that someone previous to you monkeyed with the squelch settings. Adjusting that correctly requires going into the service settings and is best done by an experienced tech with the correct tools.
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