Owner's Manual
Page 107
... the graphics card, some resolution settings may block digital audio output. NOTE yyIf you experience overscan issues when using HDMI-PC 1920x1080, change the refresh rate to another rate or adjust the brightness and contrast on the graphics card, DOS mode may not work if a HDMI to an Audio System Use an optional...
... the graphics card, some resolution settings may block digital audio output. NOTE yyIf you experience overscan issues when using HDMI-PC 1920x1080, change the refresh rate to another rate or adjust the brightness and contrast on the graphics card, DOS mode may not work if a HDMI to an Audio System Use an optional...