Question about Uniden Radio Communications

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I have a uniden trunktracker iv scanner that the sound has stopped working, it was working fine yesterday

Scans fine but no sound, squelch is turned up still no sound, volume all the way up

Posted by lisa martin on


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In order to better assist you, please provide me with your model number.

Posted on Jun 12, 2015


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1 Answer

Scanner not scanning, says delay

you need to turn up the squelch

delay is displayed when the squelch gets broken
so turn it up and scan or it will start to auto scan if you set it too auto
when a signal breaks then it stops .. and listens
you can set it to manual so when a signal is detected it will stop and listen too that frequency
if it says delay all the time then there is a problem
prob with the squelch cicruit or the control perhaps has had a knock

Dec 13, 2014 | Uniden BC340CRS 100-Channel Clock Radio...

1 Answer

What did you mean by change the squelch?

The squelch control gets rid of the hissing on a blank channel. Finda blank channel, turn up the squelch control until the hissing stops. The scanner should then scan the channels and stop on a busy one.

Jul 12, 2014 | Uniden Bearcat Scanner Bc355c 800 Mhz...

1 Answer

My scanner is scanning but nothing is happening,not getting anything at all. Itgoes through all the numbers but is not picking anything up,and it was working fine yesterday.Please tell me what my problem...

Perhaps it's a slow day? Start by turning the squelch all the way down until you hear static. Then, turn it up just enough to cancel out the static. It's possible that it got bumped or change somehow, and now it is blocking out the signals you want to receive.

Oct 04, 2012 | Uniden BC340CRS Base Scanner

1 Answer

How can i stop the squelch ive tryed turning the sqcuelch doesnt help

Plug the AC adapter into the back of the scanner and into a wall electrical outlet. Screw the antenna into the receptacle on the back of the scanner (extend the antenna to full length for best reception).

  • 2 Set the squelch level to allow signals to be heard by turning the squelch knob counterclockwise. Rotate the volume knob clockwise until you hear static. Slowly turn the squelch knob clockwise until the static noise disappears.
  • 3 Start programming frequencies into the scanner by pressing the "Manual" button.
  • 4 Press the up arrow or down arrow key until the channel you wish to program is visible on the display.
  • 5 Use the numbers on the keypad to enter the frequency for the local transmitter you wish to receive.
  • 6 Press the "E" key to complete the process of entering the frequency.
  • 7 Repeat steps 3 through 6 for each additional frequency you wish to monitor.
  • 8 Press the "Scan" key to start the scanning process. The scanner stops on a channel when it detects a signal strong enough to hear over the squelch setting. Two seconds after the signal stops, the scanning process resumes.
  • Dec 06, 2011 | Uniden BC248CLT Base Scanner

    1 Answer

    The squelch will not turn down?

    Sounds like your squelch pot is either shot or disconnected. If you're electronics handy, you can troubleshoot it yourself and replace the pot if necessary. You can also send the scanner to Uniden for repair. Follow the link below for troubleshooting help or to contact Uniden regarding repair.

    Jan 19, 2010 | Uniden BC340CRS Base Scanner

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    I don't have the manual for my Uniden Bearcat BC 855 scanner.

    You can download/print the complete manual for your scanner by following the link below. It's a free download, and it provides detailed programming instructions. If you're programming a channel that is "empty" (showing 000.0000) just enter your frequency. Empty channels automatically show LOCKOUT but it clears with programming. The squelch setting will vary according to the strength of the signals you receive. Once you start scanning, turn the squelch down until scanning stops and you hear a hissing sound, then turn the control up slowly until scanning resumes.

    For a comprehensive database of active frequencies in your area, visit:

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    Go to and look in customer service/manuals. You will need the model #

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    Digital readout 396 scanner

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