Yamaha O2R Owner's Manual page 89

80 Mixing and Automix
02R Getting Started Guide
direction the fader has to be moved to return to the previously recorded
position:
If the fader is moved to a position lower
than the previously recorded position
9. When you have finished adjusting the fader, press the [SEL] button
again.
The 02R will return to AUTOMIX RECORD READY status.
10. Use the CURSOR buttons to select the "STOP" icon and press the
[ENTER] button.
You may find it faster and more convenient to stop the automix recording
session by stopping the device that is providing the timecode. The effect is
the same as if you selected the STOP function on the 02R.
11. Stop the device that is providing the timecode.
If the fader is moved to a position higher
than the previously recorded position