Thanx for reply. It´s not written in the manual. Fortunately a korg-
technician told me that the only thing is to install carefully,
nothing else. So I´m happy about it.

--- In korgz1@yahoogroups.com, "synthetic242" <synthetic@...> wrote:
>
> I think this is described in the Z1 manual, find it here:
> http://erikhall.mine.nu/~ronny/alla%20synthar.html
>
>
>
> SynthEtic
>
>
>
>
> --- In korgz1@yahoogroups.com, "Gerald Daniel" <gery-d@> wrote:
> >
> > Having two Z1 I´m surprised to listen that one sounds more
> brilliant.
> > Unluckily the inferior one has the voice expansion. I´d totally
like
> to
> > install it into the superior. The only thing I could do were to
open
> > both and watch how DSPBZ1 is installed, but before exchange I
really
> > have to know if there are instructions on the software side
(perhaps
> > initialisations or service routines from the service manual
> > before/after??) At least I got a serv. manual but without advice
I
> > beware of touching anything. So I were glad if anyone could
answer
> this
> > question.
> >
> > regards
> > Gerry
> >
>