At 06:54 AM 1/27/2010, you wrote:
>Can some one explain how to use the zero beat and offset controls on
>a Century 21? It is a DC receiver and different than I have ever
>used. I know that pressing the zero beat button disables the Offset
>control. I know that you tune the CW sound until it goes down to
>point that you can't hear it. If you continue to tune you hear the
>CW begin agian going up in pitch. So you back up until it can't be
>heard again. Then you tune the Offset until it has a pleasant
>sound. The offset it tuning the reciever only and the transmitter
>stays zero beat correct? Is it that simple?
YES
>Why the +/- on the offset? is it so that you can listen to either
>side of the CW from the Zero Beat point and maybe get away from
>other transmissions on one side of zero beat or the other to help
>eliminate QRM?
YES
Curron, I think you've got it.... yes, you've got it! (As Prof Henry
Higgins said to Eliza)
Have fun,
Perry w8au
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