Manual...Looper Advanced Controls
MODE – Selects the Looper mode, determining mono/stereo, looper length, and undo. Whenever you
change the mode, the looper memory will be entirely cleared.
MONO – Recording and playback are in mono. Maximum loop length is 60 seconds. Undo is not possible.
STEREO – Recording and playback are in stereo. Maximum loop length is 30 seconds. Undo is not possible.
MONO UNDO – Recording and playback are in mono. Maximum loop length is 30 seconds. Undo works.
STEREO UNDO – Recording and playback are in mono. Maximum loop length is 60 seconds. Undo works.