The full set-up procedure is in the A-110 Service Manual, which is
available at the Doepfer website (there's a link on the A-110 page).

Tim

--- In Doepfer_a100@yahoogroups.com , "analog1k" <analog1k@y...> wrote:
> How do I calibrate one of my 3 VCO's in my system,
> the other two are tuned to middle C, so they are tune
> with the rest of my gear.
>
> But my 3rd VCO refuses to cooperate, turned to zero it
> will only tune to G#2, and at ten on the pot it will only
> tune to B2 - this is what I get pressing C on my keyboard.
>
> Will my VCO need calibrating on the inside, even though I
> let it warm up for 10-15 minutes, still no luck. What's the
> procedure for this. I only have an electronic tuner.
>
> Any info or help much appreciated.
>
> Thanks.