Samsung XL20 LS20EDBEB/EDC, LS20EDXEB/EDC Contrast, Menu, Lock, Locked, Unlock, Description

- MENU button

Menu Description

This is the function that locks the OSD in order to keep the current states of settings or prevent others from adjusting the current settings.

Lock : Hold down the MENU button for more than five (5) seconds to activate the OSD adjustment lock function.

Locked

Unlock : Hold down the MENU button for more than five (5) seconds to deactivate the OSD adjustment lock function.

You can adjust only the brightness and contrast of the monitor with the OSD adjustment locking feature.

Contrast