LG E2041T-BN - Manual (Page 11)

10
Control Panel Functions
Front Panel Controls
MENU Button
OSD LOCKED/UNLOCKED
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.
E1941T/E2041T/E2241T/E2341T/E2441T
E1941S/E2041S/E2241S