Korg Sound on Sound Owner's Manual page 20

2. Locate the loop end point (Point B), then press the A/B SET button.
Point B is marked and the loop LED indicator will light up steadily.
If the counter is displayed in MBQ Time mode, the unit will auto‐
matically mark Point B at the top of the measure after the measure
where you specified the end point.
To cancel the setting, press the A/B SET button again. The loop LED
indicator will turn off and Points A and B are erased. You can also set
Points A and B by pressing and holding down the A/B SET button to
access the "A POINT" and "B POINT" parameter pages respectively
(see page 33).
3. Press the A/B LOOP button to turn on the A/B Loop function. The loop
LED indicator will light up.
4. When the playback position reaches Point B, it automatically returns to
Point A to repeat A/B playback.
5. Press the A/B LOOP button again to turn the A/B Loop function off.
The loop LED indicator will turn off.
If you specify Point B at a time position before Point A, the time value
of Point A and Point B will be swapped.
The interval between Points A and B should be two seconds or longer.
You cannot set Point B within two seconds of Point A.
Repeat recording (A/B loop recording)
During loop playback, you can record by pressing the Record button.
1. Refer to the "Repeat playback (A/B loop playback)" section to start
loop playback.
2. Press the Record button to enter Record Ready mode. The Record LED
indicator will flash slowly.
3. Press the Record button again to enter Record mode. At this point,
nothing is recorded yet. Recording will start after the playback posi‐
tion returns to Point A from Point B.
The Record LED indicator will continue flashing slowly until the play‐
back position reaches Point B, then it will light up steadily when the
playback position returns to Point A.
4. When the recording position reaches Point B, the unit enters Record
Ready mode and starts A/B loop playback. The Record LED indicator
will flash.
If you want to repeat overdubbing, press the Record button again to
repeat loop recording.
If the duration between Points A and B is shorter than eight (8) sec‐
onds, the unit pauses playback when recording is complete. And then,
the unit automatically starts loop playback of the recorded audio.
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