[TenTec] CW Tuning with Omni 6 Plus

[Ken Brown]

> Like so many other physical phenomena, the effect of zero beating is so 
> difficult to express in words, but with several simple vector diagrams the 
> whole situation becomes obvious.
>   
Or just by doing it. Even if you don't know or understand what is going 
on, it is easy to recognize that there is a beat note and that you can 
adjust one tone source relative to the other and hear the beat change, 
and slow it down until it is zero, or nearly so.