Rick,

It sounds to me that once you get over the menu setting situation and 
have all your proper options set into the menu, you should then look at 
the KPA100 wattmeter circuits to discover what the TUNE problems are - 
the resolution of that question may cure other problems.

I am headed for California in the morning to visit with the XYL's family 
and to attend the Elecraft Christmas party. Pardon me if I do not 
respond to requests - this is vacation time for me, and I may or may not 
have my email with me.  I will be back home Dec 21 and handle any 
requests at that time (and also write the bills from the vacation :-( .

73,
Don W3FPR

On 12/10/2011 7:56 PM, Rick Wheeler wrote:
> I have a K2 No. 2005 (owned and built since new) with the outboard ATU/100 
> watt setup. I rearranged my shack and have been fighting RFI. I believe it 
> had to do with the routing of the power cables. I think (hope that is!) have 
> fixed it. A bad Anderson connector (internally loose) on the 100 watt side 
> may have contributed to the problem. BUT...
>
> Strange things did (I assumed were RFI caused) happen such as the radio 
> keying up itself and when I attempted to tune the radio using the tune button 
> it frequently would try to tune using high power (well over 20 watts).
>
> A couple of things have now happened. Power output is drastically reduced (10 
> maybe 20 watts) with a long hello or whistle AND the K2 now has a 
> distinctively hollow sound (same with headphones too). The background noise 
> on an empty frequency sounds as if it is coming from the end of a 10 foot 
> tube. SSB reception is somewhat distorted too.
>
> I tried a factory reset (4,5,6 and power on) with no result.
>
> Regards,
>
> Rick
> K4LX
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