X32-RACK_P0AWN_Front_XL.png                 Turn the Channel Select knob until the MAIN light is selected in the channel light LEDs and NC is shown in the channel number portion of the display. You can now use the Channel Level encoder below to turn up the volume of the mono channel. If ST is shown in the number portion of the display, the stereo bus level can be controlled (and will also be displayed on the MAIN LR LEVEL encoder to the right of the screen).