Panasonic PT-DW740, Руководство по эксплуатации

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Chapter 4 Settings — [POSITION] menu
[KEYSTONE]
You can correct the trapezoidal distortion that occurs when the projector is installed tilted or when the screen is tilted.
1)
Press
as
to select [KEYSTONE].
2)
Press the <ENTER> button.
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The [KEYSTONE] screen is displayed.
3)
Press
as
to select the item to adjust.
4)
Press
qw
to adjust.
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Adjustment details
[KEYSTONE]
[SUB KEYSTONE]
[LINEARITY]
Note
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The menu or logo may run off the screen when various adjustments are performed with [KEYSTONE].
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Various adjustments with [KEYSTONE] are possible to correct up to ±40° for the tilt in vertical direction. However, the picture quality will
degrade and it will get harder to focus with more correction. Install the projector so the correction will be as small as possible. (±30° when
using fixed-focus lens (ET-DLE055), or super short focus zoom lens (ET-DLE080).)
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Image size will also change when [KEYSTONE] is used to perform adjustments.
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Trapezoidal distortion may occur depending on the lens shift position.
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Aspect ratio of the image size may shift depending on the correction or lens zoom value.