Planar VM55MX-M2 User Manual page 41

Audio Source

Select the audio source to play through the display's internal speakers and audio
outputs.

Options: Analog, DisplayPort, Digital

Default: Analog for VGA, Digital for all other sources

Note: The Digital option cannot be selected for DisplayPort and the DisplayPort option
cannot be selected for Digital.
Audio Reset

Reset all settings in the Audio menu to their default values.
Planar VM Series User Manual
020-1357-03A
Operating the Display
Page | 41