Doepfer

> What does the trimpot on the A-198 ribbon module do? Actually, I'd
> like the bottom of the ribbon controller to be 0volts, but it isn't...
> so maybe the trimpot will help? Or what is it for?

It is in the 'pressure cv' part of the circuit, for trimming that. Unfortunately therefore it won't help you with the main 'position cv' output from the ribbon.

Tim