Benq W1070 9H.J7L77.17E Manuel D’Utilisation
Codes de produits
9H.J7L77.17E
20
Positioning your projector
Shifting the projection lens vertically
The vertical lens shift control provides flexibility for installing your projector. It allows the projector to be
positioned slightly above or below the top level of the projected images.
positioned slightly above or below the top level of the projected images.
The lens shift (offset) is expressed as a percentage of the projected image height. It is measured as an
offset from the projected image's vertical center. You can use the lever to shift the projection lens
upwards or downwards within the allowable range depending on your desired image position.
offset from the projected image's vertical center. You can use the lever to shift the projection lens
upwards or downwards within the allowable range depending on your desired image position.
To use the lens shift lever:
1. Release the lever by turning it counterclockwise.
2. Move the lever to adjust the projected image position.
3. Lock the lever by turning it clockwise.
1. Release the lever by turning it counterclockwise.
2. Move the lever to adjust the projected image position.
3. Lock the lever by turning it clockwise.
•
Please do not over-tighten the lever.
•
Lens shift adjustment will not result in a degraded picture quality. In the unlikely event that the image
distortion is produced, see
distortion is produced, see
for details.
• When the screen position is fixed
• When the projector position is fixed
100%
10%
30%
DOWN
LENS SHIFT
UP
Screen
Projector
110%
130%
120%
DOWN
LENS SHIFT
UP