Ricoh PJ WU6181N 6200-Lumen WUXGA LCD Projector (No Lens) - Manual (Page 53)

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3. Convenient Features
To disable the SECURITY function:
1. Press the MENU button.
The menu will be displayed.
2. Select [SETUP] → [CONTROL] → [SECURITY] and press the ENTER button.
The OFF/ON menu will be displayed.
3. Select [OFF] and press the ENTER button.
The SECURITY KEYWORD screen will be displayed.
4. Type in your keyword and press the ENTER button.
When the correct keyword is entered, the SECURITY function will be disabled.
NOTE: If you forget your keyword, contact your dealer. Your dealer will provide you with your keyword in exchange for your request code. Your request code is displayed in
the Keyword Confirmation screen. In this example [NB52-YGK8-2VD6-K585-JNE6-EYA8] is a request code.