Display
Aspect Ratio: Change the image aspect ratio to Full Screen,Auto,4:3,5:4, or 1:1.
Audio
Mute:Turm On or Off to mute the audio source.
Volume: Change the audio source volume from 0 to 100.
Audio Source: Select the audio source to DisplayPort,HDMI1,HDMI2,or
Auto to have the monitor choose.