Sharp DT 510 Operation Manual - Page 33
Correcting Trapezoidal Distortion, The H & V KEYSTONE method fea
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Image Projection (Continued) Correcting Trapezoidal Distortion When the image is projected either from the top or from the bottom towards the screen at an angle, the image becomes distorted trapezoidally.The function for correcting trapezoidal distortion is called Keystone Correction. There are the two types of the Keystone Correction. 1) The "GEOMETRIC ADJUSTMENT" method corrects trapezoidal distortion by specifying 4 marks on the screen. 2) The "H & V KEYSTONE" method features corrections to 2 axes (horizontal and vertical) based on numerical values. KEYSTONE button Adjustment buttons (P/R/O/Q) RETURN button ENTER button 32
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32
Correcting Trapezoidal
Distortion
Adjustment buttons
(
P
/
R
/
O
/
Q
)
KEYSTONE
button
When the image is projected either from
the top or from the bottom towards the
screen at an angle, the image becomes
distorted trapezoidally. The function for
correcting trapezoidal distortion is
called Keystone Correction.
There are the two types of the Keystone
Correction.
1)
The “GEOMETRIC ADJUSTMENT”
method corrects trapezoidal distor-
tion by specifying 4 marks on the
screen.
2)
The “H & V KEYSTONE” method fea-
tures corrections to 2 axes (horizon-
tal and vertical) based on numerical
values.
RETURN button
ENTER button
Image Projection (Continued)