Aerophone AE-20, AE-20W: How do I set the octave keys to shift by three octaves?

By default, the octave keys on the Aerophone AE-20/AE-20W shift the pitch by ±2 octaves ("Oct2"). To shift by ±3 octaves, set "Octave Key" to "Oct3" in the System parameters.

1. On the scene screen, press the [MENU] button.
2. Use the [-] [+] (◀/▶) buttons to select “Octave Key” in the System parameters, and press the [MENU] button.

3. Use the [-] [+] (◀/▶) buttons to change the settings.

   Oct2
   Oct3
   Sax1	This is the sax-compatible mode. The upper octave key only raises the octave up +1.
   Sax2	This is the 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.

4. Press the [SCENE] button or turn the [SCENE CATEGORY] knob to return to the scene screen.