Yamaha O2R Owner's Manual page 53

44 Secondary Recording Tutorial
SEND LEVEL
02R Getting Started Guide
4. To change the signal level, adjust the fader for MIC/LINE 1 until
the desired value is obtained.
You can use the rotary encoders for the tape returns or press the [FLIP]
button. Then the tape return channels can be operated by the faders. The
effect returns can only be adjusted with the rotary encoders.
You can also use the SEND LEVEL encoder in the AUX group of the
SELECTED CHANNEL controls. You must press the corresponding
[AUX 1] button to make certain you are adjusting the signal level for the
correct aux send.
Note: In order to adjust the aux send level with the SEND LEVEL encoder, you
must first select the send channel with the corresponding button of the SELECTED
CHANNEL—AUX controls