NEC P554U - Projecting images stored in a USB memory device

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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.