More CV Expander?

[mgd]

I finally realized that the black knob underneath is an attenuverter and needs to be turned fully CW for the signal to be unchanged!  Now it works just fine, with C-0 giving me the knob full CCW, C-4 giving me noon, C-9 giving me full CW.  

Glad you solved it. Taking a look at your problem actually helped me understand my CV16 a little better  
That's actually something I learned over the last couple of weeks:
When someone posts a problem in this forum that I do not understand and/or have encountered yet then working on it guides me into "unexplored" territory and teaches me something about this tool. Most of the time I learn new ways to do things and that I really like!

As a sidenote:
To get 10V you have to enter C-A. C-9 will give you 9V "only".

I think I just need to bite the bullet & invest in an oscilloscope! 

For me it is my most important debugging tool. I us both a Mordax DATA and a vpme.de Zeroscope. The former has the bigger and better screen while the later has a better time resolution.

And then there is an external Scope for really difficult stuff 

Feel like it should be smooth sailing from here with the More CV!

My second CV16 is on its way to me (currently somewhere between The Netherlands and Germany...), together with my MIDI expander which then opens another new door to unchartered territory...and the prerequisite for the planned launchpad

Kind regards,
Michael