Epson PowerLite 800F 5000-Lumen Pixel-Shift Full HD Ultra-Short Throw Laser 3LCD Projector (White) - Manual (Page 240)

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Initial Settings and Reset Options - Initial/All Settings Menu
You can reset most of the projector settings to their default values using the Reset All option on the
Initial/All Settings menu.
When you select the Reset All option, you see this screen:
Checkmarks appear next to the menu settings that are selected to be reset. If you do not want to reset
settings in some menus, deselect them. When you are ready, select
Execute and press Enter .