Roland AIRA Compact E-4 Voice Tweaker - Manual (Page 11)

Correcting the Pitch (AUTO PITCH)
11
Setting the key and scale for pitch correction (KEY, SCALE)
1. Move the [PITCH] slider while holding down the [HARMONY] button.
This sets the key and scale to which the pitch is corrected when the [AUTO PITCH] button is pressed thereafter.
When the method of pitch correction is set to “Auto”, the pitch is adjusted to the scale; and when the method is set to “Fix”,
the pitch is adjusted to the key you selected.
Value Explanation
A N (Am)– AbN (Abm) Sets the minor scale of the key you select.
ChrN
(Chromatic) Sets a chromatic scale.
A
(A)–
Ab
(Ab) Sets the major scale of the key you select.