Akai MPC 5000 Reference Manual page 93

The effect bus number selected (1 to 4) will be used. The Pad sound will be sent to the selected effect section.
The display in the SEND row indicates the output setting. The graphical knob display in the FX row indicates the current send level. Increasing
this level will increase the amount of effect for the selected pad.
„
The PrgMix page will be displayed.
Each column indicates pad 1 though 16 from the left and the currently selected pad is highlighted. The row at the top is the 'OUT' field, where you
where you will assign a specific pad to a specific assignable output.
The column for the selected pad will now be highlighted.
Pad will play as normal
Pad is muted