ViewSonic LS900WU, User Manual

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18
There is 3% tolerance among these numbers due to optical component variations. It is
recommended that if you intend to permanently install the projector, you should physically
test the projection size and distance using the actual projector in situ before you permanently
install it, so as to make allowance for this projector's optical characteristics. This will help you
determine the exact mounting position so that it best suits your installation location.
(a) Screen
Size
16:10 image on a 4:3 Screen
(b) Projection distance
(c) Image height
(d) Vertical offset
min. max. min. max.
inch mm inch mm inch mm inch mm inch mm inch mm
54 1372 50 1262 82 2085 27 686 4.1 103 4.1 103
65 1651 60 1519 99 2510 33 826 4.9 124 4.9 124
76 1930 70 1776 116 2934 38 965 5.7 145 5.7 145
87 2210 80 2033 132 3359 44 1105 6.5 166 6.5 166
98 2489 90 2290 149 3784 49 1245 7.4 187 7.4 187
109 2769 100 2547 166 4208 55 1384 8.2 208 8.2 208
120 3048 110 2804 182 4633 60 1524 9.0 229 9.0 229
131 3327 121 3061 199 5058 66 1664 9.8 250 9.8 250
142 3607 131 3318 216 5482 71 1803 10.7 271 10.7 271
153 3886 141 3575 233 5907 77 1943 11.5 291 11.5 291
163 4140 150 3809 248 6293 82 2070 12.2 311 12.2 311
185 4699 170 4323 281 7142 93 2350 13.9 352 13.9 352
207 5258 190 4837 315 7992 104 2629 15.5 394 15.5 394