Hi Alain

do you know my instructions on this:
http://fa.utfs.org/diy/korg_monopoly/vco_adjustment.html

> Another extremely critical point, is that you have to FIRST calibrate the voltages on the PSU. Then, calibrate the keyboard CV generation by adjusting the Key Assigner KLM356 to very precise values (a high precision DVM is essential here).
> Don't start the VCO calibration unless you have confirmed that the assigner is generating EXACTLY 1 volt per octave, as described in the calibrating procedure. Otherwise you'll have a very hard time getting things right.

Very good point! I'll add it to my instructions

Florian