Enable lighted piston functionality on the keyboard.
- press and hold the set piston (far left) for that keyboard
- press the last black key on the right (A#5)
- press the 13th black key from the left (F#3)
- release the set piston
** NOTE: This is to enable your lighted pistons. Once it is enabled you can configure it to work with a Hauptwerk sample set. The link below will take you through those steps: