A Saxophone has 21 performance keys, meaning there are more than 2 million combinations in which you can press or play the keys. In addition to 'standard' fingering, there are many 'Alternate' fingering technicities. The AE-01 & AE-05 is able to store 6 different alternative fingering layouts.
Please use the following procedure to edit any of the factory fingerings or make your your own from scratch.
Then touch each key on the screen how you wish to finger your chosen note. For example, as below you can see the keys in orange are the keys I wish to finger for this particular note.