Epson Home Cinema 3800 HDR Pixel-Shift 4K UHD 3LCD Home Theater Projector - Manual (Page 80)

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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: Locking the Projector's Buttons
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.
Parent topic: Projector Security Features
Related references
Projector Parts - Rear
Saving Settings to Memory and Using Saved Settings
You can save customized settings from the Image menu for each of your video inputs and then select
the saved settings whenever you want to use them.
1. Turn on the projector and display an image.
2. Press the Menu button.
Note: You can also press the Memory button on the remote control to access the Memory menu
directly.
3. Select the Settings menu and press Enter .
4. Select the Memory setting and press Enter .