455. Using On-Screen Menu Menu Descriptions & Functions [Advanced]SecurityA keyword can be set for your projector to avoid operation by an unauthorized user using the Menu. When a keywordis set, turning on the projector will display the Keyword input screen. Unless the correct keyword is entered, theprojector cannot project an image.To enable the Security function:1. Select [Advanced] →[Security] and press the button to select “On”.The [Keyword] screen will be displayed.The [Confirm Keyword] screen will be displayed.2. Type in a combination of the four SELECT buttons and press the ENTER button.NOTE: A keyword must be four to 10 digits in length.