PROBLEM WITH NV SLIDER

hello everybody
i tried to move the slider but the sound remains identical, let me know, thanks.

i let you now

RTFM

os`kar wrote:i let you now

RTFM

just red but i don't understand!!
what have i to do for use the nv slider?

i press shift and after/assign key, i choose the sound and the parameter, then i return to the main screen, i move the slider pressing the pad of the selected sound but it don't changes.