Samsung LS22MYZKFV-XAA - Manual (Page 89)

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 ad-
justment lock function.
Unlock : Hold down the MENU button for more than five (5) seconds to deactivate the OSD
adjustment lock function.
Note
Though the OSD adjustment lock function is activated, you can still adjust the brightness and
contrast, and adjust Customized Key (
) using the Direct button.
Adjusting the Monitor
88