What you see in the display when not tuning is the time-averaged noise (or 
signal), depending on how you have the averaging parameter set. When you're 
tuning rapidly the P3 can't average, so the level appears to rise.  It's rising 
toward the actual peak noise level. 

Grant/NQ5T



Sent from my iPhone

On Oct 26, 2011, at 7:02 PM, Fred Jensen <k6...@foothill.net> wrote:

> OK folks, I'm just curious, whether or not I should have a glass of wine 
> with dinner is a much bigger deal for me than this so I don't want to 
> start a big thread, but ...
> 
> I've noticed, just recently, that when I'm spinning the Big knob on the 
> K3 fast, or even not so fast, the apparent noise level on the K3 
> spectrum display seems to rise just a little [I don't use the W'fall, I 
> can't see most of it].  When I stop turning the knob, the trace settled 
> back to band noise.  Happens all bands [that I've tried].  P3 works just 
> fine, K3 works just fine, KPA500 works just fine, I've got a few new 
> ones including the "Survivor Island" on several bands, I'm just curious.
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 2012 Cal QSO Party 6-7 Oct 2012
> - www.cqp.org
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