[Elecraft] Freq probe

[Ron D'Eau Claire]

The magnet on the speaker attached to the top cover is close enough to
the PLL Reference Oscillator to affect its frequency slightly.  So cover
with the speaker attached needs to be in place when the system
calibrates the oscillator.

Ron AC7AC
K2 # 1289

-----Original Message-----
Francis Belliveau wrote:
> 
> I find the need to have the top cover on interesting.  As I recall 
> there was a note published about removing the frequency probe before 
> buttoning up the K2?  Something about mixing or harmonics being 
> introduced that got noticed during the early days of K100 production.