How To Get A Preferred Image Size By Adjusting Distance And Zoom - Acer V9800 User Manual

How to Get a Preferred Image Size by Adjusting
Distance and Zoom
The table below shows how to achieve a desired image size by adjusting either
the position or the zoom ring.
To obtain an image size of 100", set the projector at a distance between 3.0 m
and 4.5 m from the screen and adjust the zoom level accordingly.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
< A >
95
100
110
120
140
150
165
180
Zoom Ratio: 1.5 x
3.0 m
Desired distance
4.5 m
Distance (m)
Max zoom
< B >
210 x 118 2.8
221 x 125 3.0
244 x 137 3.3
266 x 149 3.6
310 x 174 4.2
332 x 187 4.5
365 x 205 4.9
398 x 224 5.4
100"
Desired
image size
Height:
143 cm
From base
to top of
image
Top (cm)
Min zoom From base to top of
< C > image < D >
4.3 136
4.5 143
4.9 158
5.4 172
6.3 201
6.7 215
7.4 236
8.1 258
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