LG 21HQ513D-B.AEU Owner's Manual page 26

Menu Settings
1
To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the [Menu].
2
Move the joystick up/down and left/right to set the options.
3
To return to the upper menu or set other menu items, move the joystick to
4
If you want to exit the OSD menu, move the joystick to
[Quick Settings]
26
or pressing ( ) it.
until you exit.
[Input] [Picture] [General]