Most projectors allow you to invert the image that they project. While this feature is not useful for business presenters who place a projector on a table to project on the go, it is extremely helpful for permanently attached projectors. Inverting the image lets you mount the projector to the ceiling in an upside-down position, giving you easier access to its control panel buttons. This configuration is extremely popular in conference rooms, training rooms and corporate boardrooms.
Press the projector's "Power" button to turn it on.
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Press the "Menu" button to turn on the on-screen menu display. You will have to wait for your projector to warm up to do this.
Press the down arrow until the "Setting" option is highlighted.
Press right arrow or "Select" button to enter the "Setting" submenu.
Use the down arrow to highlight the "Ceiling" option, then press the right arrow or "Select" button.
Press the down arrow to turn the "Ceiling" setting to "On," then press the "Select" key. This will invert the image.
Press the "Menu" key to exit the menu system.