Aerophone Pro AE-30: Can you produce sounds that are three octaves above or below?

Yes.
Perform the following procedure.
- The octave keys are set to produce notes two octaves up/down by factory default.

1. Press the [MENU] button.
2. Use the [-] [+] (</>) buttons to select “Octave Key.”
3. Press the [MENU] button.
4. Use the [-] [+] (</>) buttons to change the settings.
   • OCT2
   • OCT3
   • SAX1: This is sax-compatible mode. In this mode, the upper octave key only shifts the pitch up one octave.
   • SAX2: This is baritone sax-compatible mode. In this mode, the upper octave key shifts the pitch up one octave. The lower octave key lets you play all the way down to a low A.
5. Press the [SCENE] (▲/▼) buttons to return to the scene screen.