LG E2370V Owner's Manual page 29

On Screen Display(OSD) Selection and Adjustment
The OSD screen will appear when you press the VOLUME button on the
front of the monitor.
Menu Name
Sub-menu Name
Button Tip
Main menu
HDMI input
Sub menu
VOLUME
28
: Move to the upper menu
: Decrease
: Increase
: Mute
EXIT : Exit
Description
To adjust the volume of headphone/
Earphone.
(Only for HDMI input)