The midi files loaded in the flash memory must have midi tracks designated for the right and left part in order for the lesson feature to work.
1) Press [SONG]
2) Call up the song you wish to use in lesson mode.
3) Press [FUNCTION]
4) Press Down arrows underneath the data dial until 'LEFT PART or RIGHT PART' is diplayed.
At this point you must assign a track for both sides for the lesson feature.
NOTE: Song files loaded into the memory must be in FILE FORMAT '0'. in order to assign lesson parts.