On some monitors, there is a Power Button Lock that locks the power in the ON position.

There is also a menu lock feature which can lock and unlock the OSD.


Power Lock: To lock the Power button press and hold both the [1] button and the down arrow button for 10 seconds.

OSD Lock: To lock the OSD press and hold both the [1] button and the up arrow button for 10 seconds.

Note: These same buttons, when pressed for another 10 seconds, will unlock the feature.