Boss RC-10R Owner's Manual page 10

Basic Operation
Looper operation Looper operation
* If there is no recorded
data, you'll start with
recording.
Two
Press
seconds
(undo/redo)
Synchronizing the looper and rhythm (p. 15)
You can specify whether the looper and rhythm operate simultaneously (SYNC ON) or separately (SYNC OFF).
To turn SYNC on/off, hold down the [RHYTHM] switch for two seconds or longer while the looper and rhythm are stopped.
When SYNC is on, the RHYTHM indicator changes color.
SYNC OFF:
red and green
SYNC ON: red and light blue
10
REC REC
(record) (record)
Once
(overdubbing)
PLAY PLAY
(loop playback) (loop playback)
OVER- OVER-
Press
DUBBING DUBBING
Press
Once
(loop playback)