Here is the master mode information if you wish to assign certain control changes to each of the 8 faders,
1) Press [MASTER].
2) Press [EDIT]
3) Press  in the track select section
4) Press [F5] for 'Knob/Slider'
5) Cursor over to 'Control Slider No'.
6) Select the control change number you want to assign to that slider.
7) Repeat steps for other remaining sliders.
8) Press [STORE] when finished, confirm with enter, then press [inc/yes].