2.Press 
to highlight Aspect Ratio.
3.Press 
/ 
to select an aspect ratio to suit the format of the video signal and your display requirements.
About the aspect ratio
In the pictures below, the black portions are inactive areas and the white portions are active areas. OSD menus can be displayed on those unused black areas.
1.Auto: Scales an image proportionally to fit the
projector's native resolution in its horizontal |
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width. This is suitable for the incoming image |
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which is neither in 4:3 nor 16:9 and you want to | 16:10 picture |
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make most use of the screen without altering the |
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image's aspect ratio. |
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| 15:9 picture |
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2.4:3: Scales an image so that it is displayed in the center of the screen with a 4:3 aspect ratio. This is most suitable for 4:3 images like computer monitors, standard definition TV and 4:3 aspect DVD movies, as it displays them without aspect alteration.
3.16:9: Scales an image so that it is displayed in the center of the screen with a 16:9 aspect ratio. This is most suitable for images which are already in a 16:9 aspect, like high definition TV, as it displays them without aspect alteration.
4:3 picture
16:9 picture