Korg microARRANGER Owner's Manual page 236

234 Recognized chords
Minor
3-note
T T
Minor 7th
4-note
T T
Diminished
3-note
T
T
Minor 7th 5
4-note
T T
Augmented
3-note
T
T
No 3rd
2-note
= constituent notes of the chord
2-note
T
3-note
T
Diminished Major 7th
4-note
T T
T
Augmented 7th
4-note
T T T
T
No 3rd, no 5th
1-note
Minor 6th
4-note
T T
Minor-Major 7th
4-note
T T
Augmented Major 7th
4-note
T T T
T
= can be used as tension
T
3-note
T