BenQ PE6800 - Manual (Page 24)

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2. ASPECT: There are five aspect ratios that can be selected for different video signal:
■ 16:9 : Scales an image so that it is displayed in the center of the screen with a 16:9 aspect ratio.
■ 4:3: Scales an image so that it is displayed in the center of the screen with a 4:3 aspect ratio.
■ ZOOM: Enlarges an image with letterbox format to display it in full-screen format with a 16:9 aspect
ratio. The upper and lower portions of the image are cropped. Use this setting for Cinemascope and
Vista video wide screen formats.
■ DYNAMIC: Expands an image with a 4:3 aspect ration NON-linearly along the horizontal axis to
provide full screen display at a 16:9 aspect ratio.
■ REAL : One-to-one mapping is performed without any scaling of the image. The image is displayed at
the center of the screen.
BEFORE:
16:9 images (1080i,
720p)
AFTER:
Projects images on a full
16:9 screen
BEFORE:
Picture images
with a ratio of 4:3 (480i, 576i,
480p, 576p and PC)
AFTER:
Projects images at
a 4:3 ratio
BEFORE:
Cinemascope
and vista signals with a ratio
of 4:3
or
AFTER
AFTER
BEFORE:
Projects images
with a ratio of 4:3 (480i, 576i,
480p, 576p and PC)
AFTER:
Expands projected
image in horizontal direction to fit
a full 16:9 screen
BEFORE:
16:9 images (1080i,
720p)
AFTER:
Projected images are
reduced to a half. (1080i)
AFTER:
Projected images are
compressed to a full screen size.
(720p)
or