Question about Uniden BC340CRS Base Scanner

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The scanner is stuck in open squelch - Uniden BC340CRS Base Scanner

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Rotate the knob counter clockwise to close the squelch. If this does not work, remove the knob by pulling it off gently and make sure the "pot" is turning with the knob. Verify the knob and "pot" are not damaged.

Posted on Aug 31, 2010

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I am having the same problem... It is "stuck" in an open squelch.. however, if you put in WX mode works fine... so it must be something other then an open squelch problem..

Posted on Jul 06, 2013

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Posted on Jan 02, 2017

Communicomm
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SOURCE: Unable to quit the squelch

This is an internal problem that can only be repaired by a technician familiar with Bearcat scanners. If you live near NJ, call 973-831-5900.

Posted on Jan 05, 2009

  • 120 Answers

SOURCE: scanner wont scan

provided you turned the squelch know and it didnt help, i would trace back from the squelch control to the first and second transistor you come to and that should be the squelch circuit. if you know how to check them with an ohm meter you can find out which one it is, if not you can just replace them both for under 5 bucks.

Posted on Jan 10, 2009

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Last night was working fine - as it was on I noticed that the scanner was just stuck on one channel - I hit scan ( I have several channels programmed) It wouldnt scan. Then when I turned the squelch...


Hopefully Resetting or Initializing the scanner will clear the problem and get it working again for you. Instructions for these procedures are on page 38 and 39 of the scanner operating manual. If you don't have the manual, you can download and print it, at no cost, here:

http://support.radioshack.com/support_electronics/doc69/69887.pdf

Bill B.
Listening in since the 60's

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