Locking OSD settings
When the OSD is locked, settings cannot be changed in the OSD menu.
To lock the OSD, press and hold the Menu button while the monitor is off, and then press the Power button to turn on the monitor.
To unlock the OSD, repeat the locking procedure.
When the OSD is locked, settings cannot be changed in the OSD menu.
To lock the OSD, press and hold the Menu button while the monitor is off, and then press the Power button to turn on the monitor.
To unlock the OSD, repeat the locking procedure.