NEC PA521U - Page 53

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3. Convenient Features
7. Type in the same combination of ▲▼◀▶ buttons and press the ENTER button.
 Theconrmation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.