Control panel functions, Front panel controls, Control panel functions front panel controls – LG E2290V User Manual
Control Panel Functions
Front Panel Controls
This function allows you to lock the current control
settings, so that they cannot be inadvertently changed.
Press and hold the MENU button for several seconds.
The message "OSD LOCKED" should appear.
You can unlock the OSD controls at any time by pushing
the MENU button for several seconds. The message
"OSD UNLOCKED" should appear.
Use this button to enter or exit from the On Screen Display.