NEC NP-PX800X User Manual - Page 56

3. Convenient Features  Preventing the Unauthorized Use of the Projector [SECURITY] A keyword can be set for your projector using the Menu to avoid operation by an unauthorized user. When a keyword is set, turning on the projector will display the Keyword input screen. Unless the correct keyword is entered, the projector cannot project an image. • The [SECURITY] setting cannot be cancelled by using the [RESET] of the menu. To enable the Security function: 1. Press the MENU button. The menu will be displayed. 2. Press the  button twice to select [SETUP] and press the  button or the ENTER button to select [BASIC]. 3. Press the  button to select [INSTALLATION(2)]. 4. Press the  button three times to select [SECURITY] and press the ENTER button. The OFF/ON menu will be displayed. 5. Press the  button to select [ON] and press the ENTER button. The [SECURITY KEYWORD] screen will be displayed. 6. Type in a combination of the four buttons and press the ENTER button. NOTE: A keyword must be 4 to 10 digits in length. The [CONFIRM KEYWORD] screen will be displayed. NOTE: Make a note of your password and store it in a safe place. 42