Samsung PE40C User Manual page 100

3
Using MDC
Security
Safety Lock
Lock the on-screen menus.
To unlock the menus, set Safety Lock to Off.
Button Lock
Lock the buttons on the display device.
To unlock the buttons, set Button Lock to Off.
OSD Display
Source OSD
Select whether to display a message when the Source is changed.
Not Optimum Mode OSD
Select whether to display a message when a non-compatible mode is selected.
No Signal OSD
Select whether to display a message when there is no input signal.
MDC OSD
Select whether to display a message when settings are changed by the MDC.
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3 Using MDC