X10-I2S Not Installed (For X10 Board Kit A)
Select the“PLAYBACK OPTIONS”menu, Turn on "I2S DAC" and select "R-PI DAC" under“DAC Model.” Then reboot and you are done.

X10-I2S Installed (For X10 Board Kit B)
Select the“PLAYBACK OPTIONS”menu, Turn off "I2S DAC" and select "xCORE-AUDIO Hi-Res 2" under“Output Device.” Then reboot and you are done.

X10-I2S Not Installed (For X10 Board Kit A)
Simply select the“Configure”menu, select "Audio" under "configuration settings", then select "DDDAC1794 NOS" under“I2S audio device", Then click “SET”and reboot.

X10-I2S Installed (For X10 Board Kit B)
Simply select the“Configure”menu, select "MPD" under "configuration settings", then select "USB audio device" under "Audio device", Then click “APPLY" and reboot.