OSD and Power Lock/Unlock
1Press the MENU and Power button together for 2 or 3 seconds.
2Press the MENU button and select the PL icon.
3Select Yes.
4Power the monitor off then on.
5Press the MENU and Power button. The status is OSD and Power lock on the user mode.
To Unlock the OSD and Power:
1Press the MENU and Power button together for 4 or 5 seconds on the OSD and Power lock status.