Hello Doepfer. I thought that I could tune without a midi module.

Thank you,

Sidney

--- In Doepfer_a100@yahoogroups.com , <yahoo@...> wrote:
>
> > Hi Florian. I did try to adjust the VCO disconnected from the
> > A-190-2, by trying to make octave jumps from Range 0 to +1, +2
> > and -1. I've adjusted potentiometer P6 that the VCO Range 0 would
> > sound the same note as a C1 from my keyboard. I've tried to make
> > the octave jumps turning the P7 and P5 potentiometers. It's like
> > I have a shorter scale, since I have a C note at Range 0 and a B
> > note at Range +1.
> >
> > Altough I'm noting right now that a chart from the "VCO-Offset
> > and Range adjustement procedures" at service manual tells that C2
> > would give me a lower octave and so on. Wouldn't it give a higher octave
> >
> > Sidney
>
> To adjust the A-110 you need a precise 1V/Oct control voltage , e.g. an
> exactly to 1.00V/oct adjusted Midi-to-CV interface like A-190-1 or A-190-2.
> Otherwise you will not be able to adjust the A-110 in the right way. Rather
> you may destroy the possibly correct adjustment of the A-110 ! You have to
> follow the instructions given in the service manual and pay attention to the
> adjustment sequence as described in the service manual. If you do not keep
> the order mentioned in the service manual you will not succeed !
>
> Best wishes
> Dieter Doepfer
>