Changing ZEN to Ret. of ZEN

[boq]

Hello.
Yesterday I added feedback circuit to my ZEN as "Return of ZEN" article states.
When I connect ZEN to BOZ, woltage at ZEN dreins is changing with changing valume in BOZ.
Is This what I should get? :confused

please help me.

Wojtek.

 

[boq]

Forgive me

Please ignore my post.