I'm not sure about calibration either. I've checked the manual and it doesn't say anything about calibrating the wheels. Could you clarify what you mean by "measure"? There's a small screen on the keyboard itself that displays the midi values that are being sent, and the pitch bend reports from 53 -...

Hi everyone, My acorn masterkey 49's pitch wheel was having some issues recently. It was wavering and jumping in pitch, and wouldn't return to an in-tune rest position. I decided I should try opening it up and replacing the potentiometer, so I did exactly that and ordered a new pot that seemed to ma...