i've bought a vestax vfx-1 in order to control the effects of serato scratchlive 2.0

i've menaged to midi assign every buttons to the relative fuinctions

i've menaged to assign to assign a function to the depth knob

now i have big problems in midi assign functions to 6 knobs
2 select knobs
2 beats knobs
2 MOD-x knobs

they maybe send a different midi signal the software
the software is not able to receive, maybe i have to procede in a different way

can anybody help me?