Hi Andreas

> Square only is fine with me that is my favorite wave =) But why it is
> Hz/volt beats me... I am sure there is a logical explanation, but for me
> that is a big no-no I have no such gear.

Every VCO on a A100 (and any other analogue synth) works internally with
Hz/V ;-).

The CV insert is used for inserting an additional filter or a slew limiter.
Especially a VCF in this CV-Path instead of the built in fixed Filter
increases the usable range of the PLL.

Florian