PCR-M80, PCR-M50, PCR-M30: How to Set The Keyboard Velocity Curve
1) Press EDIT.
2) Press the SYSTEM key.
3) Press the 3 key.
4)Use the DEC and INC button to select the velocity curve and sensitivity. (0-B) See P.91 in the owner's manual.
Note- The lowest numbers are the least sensitive.