All,

I tried to firmly seat all of the connectors.  No change.  I finally pulled 
them out and only used the keying cable (RCA to RCA).  No change. One thing I 
noticed is that the KAT 500 was giving me Power and SWR reading, but no 
amplification from the amplifier.   And if I had any more than 12w of drive 
power from the K3, the amp would not give me any reading at all. Dropping it 
back to under 12w, the Pwr/SWR readings would be visible again. 

I decided to disconnect the antenna from the KAT 500 altogether and connected 
straight into the amp. Low and behold, I now have the amp working again!  

Hence, the problem is with the KAT500 tuner.  I am thinking that a factory 
reset would do the trick. Question is, how do you reset a KAT 500 to factory 
default? The manual states to do it with a computer.  Any buttons I can push on 
the tuner itself for restoring the factory defaults?

Thanks,
Ed NI6S
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