In some situations you may want to use the chord wheel in the edit panel to find the chord you are looking for. There are several thousands different chords in the system, so the list has been split up into 4 wheels, in order to ease accessibility.
Start from the left by entering the key
Second wheel contains (add, aug, dim,m,maj, mMaj, sus)
Third wheel contains the numbers (2,4,6,7,9,11,13)
Fourth wheel contains all the rarely used extensions
The wheel will have been programmed so it’s only shows possible combinations.
If you don’t find the chord you where looking for it most likely because you name the different (Read: “ProChords naming standard”)

Read: How to hear the chords in connection or Download ProChords for your iPhone