There are the following three setting items. 　　・Chord 　　　　You can set the number of sounds that can be played simultaneously from 1 to 5. 　　・Consecutive 　　　　You can set the number of consecutive chords from 1 to 5. 　　・Level 　　　　You can set the level from 1 to 10. 　　　　The higher the level, the shorter the duration of the sound. 　　　　Levels 1 to 3 include only white keys. ・Training content selection screen After setting the chord, the number of consecutive, and the level, press the START button to