Turn the SELECT knob to select the PC or the XDJ-R1 Mixer mode.Push the SELECT knob to enter the MIXER MODE menu.Turn the SELECT knob until the display shows MIXER MODE.Press and hold down the INFO/UTILITY button for about 2 seconds until UTILITY is displayed on the LCD screen.Pioneer DJ - XDJ-R1 Advanced Setup Mixer Modes The XDJ-R1 can operate in 2 different mixer modes.