BenQ W3000 User Manual - Page 19

Shifting the projection lens

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Shifting the projection lens The lens shift control provides flexibility for installing your projector. It allows the projector to be positioned off the center of the screen. The lens shift is expressed as a percentage of the projected image width or height. It is measured as an offset from the projected image's horizontal or vertical center. You can shift the projection lens within the allowable range depending on your desired image position. Front Table Vertical Shift Max0/125V Normalprojectionposition Height of projected image 1V Front Ceiling Height of projected image 1V VerticalShift Max0/125V 0025H 1H Widthofprojectedimage 0/025H Shift to Left Shift to Right Center of lens Center of lens • Lens shift adjustment will not result in a degraded picture quality. In the unlikely event that the image distortion is produced, see "Correcting keystone" on page 32 for details. • Do not rotate the lens shift knob after you hear the click. Press lightly when rotating the knob back to its original position. Positioning your projector 19

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Positioning your projector
19
Shifting the projection lens
The lens shift control provides flexibility for installing your projector. It allows the
projector to be positioned off the center of the screen.
The lens shift is expressed as a percentage of the projected image width or height. It is
measured as an offset from the projected image’s horizontal or vertical center. You can
shift the projection lens within the allowable range depending on your desired image
position.
•
Lens shift adjustment will not result in a degraded picture quality. In the unlikely event that
the image distortion is produced, see
"Correcting keystone" on page 32
for details.
•
Do not rotate the lens shift knob after you hear the click. Press lightly when rotating the
knob back to its original position.
Front Table
Normal
projection
position
Max
0 125V
1V
0
.
025H
0 025H
Height of projected image
Width
of
projected
image
1H
Shift to Left
Shift to
Right
Front Ceiling
1V
Max
0 125V
Vertical Shift
Vertical
Shift
Height of projected image
Center of lens
Center of lens