Acer C112 - Manual (Page 20)

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English
6 You can select the display area of your computer.
• Full Screen: Displays the full screen of your computer from the projector.
• Compatible mode: Sets the computer screen to 640 x 480. That is only partial
screen of the computer will be displayed.
• To stop projecting the computer screen, click Exit.
Note: To ensure the projector works well with your computer,
please make sure the timing of the display mode is compatible
with the projector.