In case of pushing MENU button after locking OSD
Menu
Locked
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.
Unlock : Hold down the menu button for more than five (5) seconds to deactivate the OSD adjustment lock function.
Though the OSD adjustment lock function is activated, you can still adjust
the brightness and contrast, and adjust MagicBright () using the Direct button.