Optoma HD80 - User Controls - Display Format; Aspect Ratio Selection

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User Controls
Format
Use this function to choose your desired aspect ratio.

4:3: This format is for 4x3 input sources not enhanced for Wide-
screen TV.

16:9: This format is for 16x9 input sources, like HDTV and DVD
enhanced for Widescreen TV.

Native: This format displays the original image without any scal-
ing.
Display
Input Signal
Display area
Picture area
Display on Screen