Unlocking The Projector's Buttons; Installing A Security Cable - Epson PowerLite Home Cinema 3900 User Manual

4. Select one of these lock types and press Enter:
• To lock the projector's power button, select Child Lock. To turn the projector on, you must press
the power button for longer than three seconds.
Note: Child Lock does not prevent the projector from turning on when the power cord is
connected if the Direct Power On Setting is set to On.
• To lock all buttons except the power button, select Control Panel Lock > Partial Lock.
Note: The
this setting is enabled.
You see a confirmation prompt.
5. Select Yes and press Enter.

Unlocking the Projector's Buttons

Parent topic:
Related references
Projector Feature Settings - Settings Menu
Unlocking the Projector's Buttons
If the projector's buttons have been locked, hold the power button on the projector's control panel for
seven seconds to unlock them.
Parent topic:

Installing a Security Cable

You can use the security slot on the back of the projector to attach a Kensington lock. See your local
computer or electronics dealer for purchase information.
lock icon is displayed on the screen if any control panel buttons are pressed while
Projector Security Features
Locking the Projector's Buttons
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