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Correcting Skewed Or Distorted Image; When The Projected Image Is Distorted - Mitsubishi Electric DLP UD8400U User Manual

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Setting up your projector (continued)

Correcting skewed or distorted image

For the best projection, project images on a flat screen
installed at 90 degrees to the floor. If necessary, tilt the
projector using the two adjustment feet on the bottom
of the projector.
Screen
1. Tilt up the projector to the appropriate angle.
2. Rotate the adjustment feet for fine adjustment.
Important:
feet extended. Otherwise the adjustment feet may
be damaged.
When fine streaks are seen on
projected images
This is due to interference with the screen surface and
is not a malfunction. Replace the screen or displace
the focus a little. (See page 12 for focus adjustment.)
When the projected image is
distorted:
When the projected image is distorted, carry out any
of the KEYSTONE, CORNERSTONE, and CURVED-
mode adjustments to correct the distortion.
When the image distorts in a trapezoid shape, use the
KEYSTONE-mode adjustment. For fine adjustment
of the image shape, use the CORNERSTONE-mode
adjustment. To adjust the image projected on a curved
surface, use the CURVED-mode adjustment.
When you press the ENTER/GEOMETRY button on
the projector or the GEOMETRY button on the remote
control, the menu switches in the order of KEYSTONE,
CORNERSTONE, CURVED, regular display, KEYSTONE...
Adjustment feet
Adjustment using the KEYSTONE mode:
When the screen and the projector are not placed
perpendicularly to each other, projected images
become trapezoidal. If you cannot place them
perpendicularly to each other, press the ENTER/
GEOMETRY button on the projector or the
GEOMETRY button on the remote control to display
the KEYSTONE mode and then press the , ,  or
 button to correct the distortion.
Every time you press the BLANK button, the
adjustment menu changes as follows:
KEYSTONE  RESET  KEYSTONE ...
KEYSTONE menu
You can correct the distortion vertically or horizontally
focusing on the screen center.
In the following cases (for front projection):
Press the 
button.
When you press the  or  button in the RESET
mode, the distortion correction is reset.
Important:
reset the lens to the factory-adjusted position using
LENS SHIFT RESET in the INSTALLATION 1 menu
before carrying out KEYSTONE-mode adjustment.
(See page 34.)
out, the adjustment value is indicated. Note that
this value doesn't mean a projection angle.
effect, the resolution decreases. In addition, stripes
may appear or straight lines may bend in images
with complicated patterns. They are not due to
product malfunctions.
EN-14
KEYSTONE
:
0
:
0
KEYSTONE
SELECT : BLANK
Press the 
button.
Press the 
button.
Press the 
button.

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