Thank you for really quick answer! I'm new to this group and did not expect getting this kind of VIP service :) Love my Doepfer already.

Kind regards,
Sami

--- In Doepfer_a100@yahoogroups.com , <yahoo@...> wrote:
>
> > Hello,
> >
> > Checking my A-132-4 Quad VCA I noticed that it does not have a
> > jumper on position JP19, which according to
> > http://www.doepfer.de/a100_man/A132_4_jumper.pdf should be in
> > place. The problem is, the document explains all the other jumper
> > positions but JP19 is not mentioned.
> >
> > Could anyone check his VCA and see if they have a connector in
> > JP19 (top of the board). Or better still, tell what it does Or
> > is it an error in the document
> >
> > Best,
> > Sami
>
> JP19 can be used to apply add a small negative voltage to the switching
> contact of the CV socket #1 (C1) of the upper unit. This makes sure that the
> VCA is fully closed as long as CV is applied to C1. As soon as a plug is
> inserted to C1 the small negative voltage is "overwritten" by the applied
> CV.
>
> I will add the description of JP19 to the A_132_4_jumper.pdf document.
>
> Best wishes
> Dieter Doepfer
>