| Master Volume Control/Tempo Control |    | 
| Transposition Control | Chord Volume Control |     | 
| Accompaniment Volume Control/Cent Control |    | 
| Four-memory Function |    | 
| Metronome/Split/Double Timbres |    | 
| Sustain/Vibrato/Record/Program/Playback |    | 
| Sync/Start/Stop/Fill-in/Prelude/Postlude |    | 
| Single Finger Chord/Multi-Finger Chord/Chord Off |    | 
| Playing Mode/EQ Mode/AB Reread | Prev Music or Next Music Select |    | 
| Touch Response Transformation |    | 
| External Power/External Microphone/External Earphone |    | 
| External Sustain Pedal/Line Out |    | 
| MIDI connector: this function is used for audio output  |    |