How Do I Tweak a Cobra 25 LTD CB?

Written by eric cedric
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The Cobra 25 LTD is a mobile citizens band (CB) radio. These devices use 40 channels of citizen radio waves to broadcast and receive communications. The radios have a series of controls that allow for fine-tuning or "tweaking." Selecting your broadcast channel is only the first step to getting the CB radio functioning to your liking and without lots of static and white noise. Tweak out your Cobra 25 LTD to get the maximum clarity in signal and reception.

Skill level:
Moderately Easy


  1. 1

    Turn the volume switch clockwise until you hear a click and the digital channel display comes on. Press the microphone button down.

  2. 2

    Turn the channel dial to your desired broadcast channel, keeping the microphone button down. Push the "CB/ANL-PA" button to the "CA/ANL" setting.

  3. 3

    Release the microphone button and listen for any static or white noise on the receiver. Adjust the volume-squelch button by turning it clockwise to reduce the "squelching" white noise. Turn the dial clockwise until the squelch is gone, then turn it back a quarter turn counterclockwise just until the slightest amount of white noise is present. This tweaks the unit for optimal broadcast and reception clarity.

  4. 4

    Flip the "BRT-DIM" button up to make the display brighter or down to lower the light settings, tweaking the display to your liking.

  5. 5

    Turn the "Dynamike" dial clockwise to adjust the broadcast volume from the microphone. Use this in conjunction with other CBs when the person on the other end tells you he cannot hear you well. Adjust and then ask for a radio check. Continue to adjust until the others listening to your broadcasts have clear and volume appropriate levels.

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