[TenTec] Century/21 Sidetone Pitch

[Ed]

Williams, Richard (JUS) wrote:
> I can't seem to find anything on Google about this. My C21 has one hole
> in the bottom. The thumbwheel changes the volume of the side tone, but
> not the pitch. Is there any way to change the pitch from the low buzzing
> sound to something more pleasing? Thanks.

Let me look thru my records. I know for sure I have the sidetone fix and 
several other C21 fixes. I'll get the information as soon as I can.

Ed W3NR