Roland E-4 - Undoing;Reverting an Overdub (Undo;Redo)

Using the Looper
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Undoing/Reverting an Overdub (Undo/Redo)
1. Long-press the [â/ó] (play/record) button.
“UndO” or “rEdO” blinks in the display.
The undo (or redo) operation is executed once you take your finger off the button.