Do you have a question about the Evolution MK-261 and is the answer not in the manual?
Select and match the unit's MIDI transmit channel with receiving equipment.
Assign various MIDI functions to the WHEEL for custom control.
Shift the keyboard's pitch in semitones by +/- 24 half steps.
Send any MIDI PROGRAM CHANGE number from 0-127.
Store and recall PROGRAM and BANK CHANGES using numeric keys.