BOXLIGHT PREMIERE 30HD - Manual (Page 46)

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Easy to Use Functions
H-V Keystone Function
Correcting Trapezoidal Distortion and
Adjusting Vertical Size of the picture.
This function allows for Keystone correction.
Note
• When the image is projected either from top
or from bottom toward the screen at an
angle, the image becomes distorted
trapezoidally.
The function for correcting trapezoidal
distortion is called Keystone Correction.
• The Keystone Correction can be adjusted
up to angle of approximately ±15 degrees.
• “KEYSTONE” does not work with the 1080I
input signal.
(On-screen Trapezoidal Distortion)
Correction and the adjustment of the vertical
size of the picture.
1 Select “V-Keystone” or
“H-Keystone” in the layout.
2 Press“W” or “X” to adjust the
keystone correction.
Note
• Since the trapezoidal distortion of the image
can be corrected up to an angle of
approximately ±15 degrees, the actual
screen can be diagonally set up to that
angle as well.
• Straight lines or the edges of images may
appear jagged while adjusting the image.
*
Main Menu
Normal screen Keystone Correc-
tion screen Vertical size
adjustment screen
* “V-SIZE” is not dis-
played when the value
of “KEYSTONE” is “0”.
Vertical Keystone Correction
Horizontal Keystone Correction
Compresses
upper side.
Compresses
lower side.
Selected item Description
H Keystone
Horizontally adjusts the
keystone settings.
V Keystone
Vertically adjusts the
keystone settings.