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3-5. Using 4-Point Corner to Correct Keystone Distortion
[CORNERSTONE]
Use the [CORNERSTONE] and [PINCUSHION] features to correct keystone (trapezoidal) distortion
to make the top or bottom and the left or right side of the screen longer or shorter so that the
projected image is rectangular.
Before performing correction
The [KEYSTONE] correction has features, [KEYSTONE HORIZONTAL], [KEYSTONE VERTICAL], [PIN-
CUSHION LEFT/RIGHT], [PINCUSHION TOP/BOTTOM], and [CORNERSTONE]. If the value of either
[CORNERSTONE] or [PINCUSHION] has corrected, [KEYSTONE HORIZONTAL] and [KEYSTONE VERTI-
CAL] are disabled. In this case, RESET the corrected values and restart to correct distortion
Cornerstone
1. Press the ▼ button with no menu displayed.
The [KEYSTONE] screen will be displayed.
•
Press the KEYSTONE button when using
the remote control.
2. Press the ▼ button to select [CORNER-
STONE] and press the ENTER button.
The [CORNERSTONE] screen will be displayed.
*
The drawing shows the upper left icon ( )
is selected.
3. Project an image so that the screen is
smaller than the area of the raster.
4. Pick up any one of the corners and align
the corner of the image with a corner of the
screen.
*
The drawing shows the upper right corner.
Projected image
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Troubleshooting
