[R-390] The infamous squelch non-option - I got a drawing

[Tom Norris]

I've got the schematic of that "option" It's in an older R-390A  
schematic I have from someplace.

Let me make a "snip" of it and put it online.

Tom

On Feb 2, 2006, at 1:20 PM, Richard Loken wrote:

> The squelch is an artifact from the R-390 so if you look at an R-390
> manuals then you should be able to figure most of it out.  Me and my
> manual are separated at this moment or I would provide more  
> tangible data.
>