NEC PX750U - Page 117

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3. Convenient Features
7. TypeinthesamecombinationofbuttonsandpresstheENTERbutton.
The confirmation screen will be displayed.
8. Select[YES]andpresstheENTERbutton.
 TheSECURITYfunctionhasbeenenabled.
To turn on the projector when [SECURITY] is enabled:
1. PressthePOWERbutton.
The projector will be turned on and display a message to the effect that the projector is locked.
2. PresstheMENUbutton.
3. TypeinthecorrectkeywordandpresstheENTERbutton.Theprojectorwilldisplayanimage.
NOTE: The security disable mode is maintained until the main power is turned off or unplugging the power cord.