BenQ HT5550 User Manual - Page 15

Adjusting the projector position, Shifting the projection lens

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Adjusting the projector position 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 height or width. You can turn the knobs on the projector to shift the projection lens in any direction within the allowable range depending on your desired image position. Desk-front projection Vertical shift Max. 0.65V 1V Projection range Height of projected image Ceiling mount-front projection Vertical shift Vertical shift Max. 0.65V Max. 0.28H Max. 0.65V 1H Max. 0.28H Width of projected image Height of projected image 1V Max. 0.65V Shift to left Shift to right • Lens shift adjustment will not result in a degraded picture quality. • Please stop turning the adjustment knob when you hear a clicking sound indicating that the knob has reached its limit. Over-turning the knob may cause damage. Positioning your projector 15

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15
Positioning your projector
Adjusting the projector position
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 height or width. You can turn the
knobs on the projector to shift the projection lens in any direction within the allowable range depending
on your desired image position.
• Lens shift adjustment will not result in a degraded picture quality.
• Please stop turning the adjustment knob when you hear a clicking sound indicating that the knob has reached its
limit. Over-turning the knob may cause damage.
Vertical shift
Vertical shift
Vertical shift
Max. 0.65V
Height of
projected
image
1V
Max. 0.65V
Projection range
Width of projected image
Shift to
right
Desk-front
projection
Ceiling mount-front
projection
Max. 0.65V
Max. 0.65V
Max. 0.28H
Max. 0.28H
Shift to
left
1V
1H
Height of
projected
image