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Needle swings backwards, power is too low to calibrate SWR meter and scratchy audio

I had this it was the TX signal meter VR, variable resistor like a silver horseshoe, you need to find yours on a schematic.....also the RX signal VR was out.....I actually did mine with the rig upside down and set the needle to the right, when I turned the rig right way the needle was going to the left!....had to do it all again...
 

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  • @ kingmudduck:
    Hello to all I have a cobra 138xlr, Looking for the number display for it. try a 4233 and it did not work