Roland E-4 Owner's Manual page 9

Setting a fixed pitch for your voice (ROBOT)
This sets how the pitch is corrected when the AUTO PITCH is on.
1. Move the [PITCH] slider while holding down the [AUTO PITCH] button.
When a setting besides "Auto" is selected, your voice changes to an uninflected robotic voice with a fixed pitch.
Value
F.-2
F.-1
Auto (Auto)
FIX (Fix)
F. 1
* You can also use an external MIDI device to input the key, which sets the fixed pitch.
Ø
Controlling the vocoder from an external device (KEY
Sets the voice at a fixed pitch two octaves lower.
Sets the voice at a fixed pitch one octave lower.
Corrects the pitch of the voice to match the key value.
Sets the voice at a fixed pitch.
Sets the voice at a fixed pitch one octave higher.
Explanation
IN)(P.18)
Correcting the Pitch (AUTO PITCH)
9