[Elecraft] Beta 2.22 and Noise Reduction problem

[Vic K2VCO]

Bob Tellefsen wrote:
> Just finished installing the 2.22 beta.
> Took the rig back to the shack and ran through the
> various controls I use the most often.
> No problem with the Noise Blanker but the
> Noise Reduction does not work now.
> I went through every menu I could find, and 
> KNB3 is ON and seems to work ok.  I couldn't
> find any menu choices for the NR function though.
> Whether I tap or hold the NR button, all I
> get is N/A.

NR does not work if AGC is OFF.

This is because there are some circumstances in which the DSP can be 
made to oscillate with NR and no AGC.
-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco