Dell AW2310 Monitor - Manual (Page 23)

Line Out Source
Use the Line Out Source menu to select between different audio signals that may be connected to your monitor.
Reset Audio
Settings
Reset the audio to the original factory setting.
Other Settings
Language Language option to set the OSD display to one of eight languages (English, Espanol, Francais, Deutsch, Brazilian Portuguese,
Russian, Simplified Chinese, or Japanese).
Menu Transparency This function is used to change the OSD background from opaque to transparent.
Menu Timer This function is used to change the slider in 1 second increments, from 5 to 60 seconds.
Menu Lock
Controls user access to adjustments. When 'Lock' is selected, no user adjustments are allowed.
NOTE: When the OSD is locked, touch the first OSD control above the Power On/Off control for about 15 seconds to unlock it.