Acer X1220H Series User Manual page 24

Desired Screen size
distance
(Min zoom)
(m)
<A>
Diagonal W (cm) x
(inches) H (cm)
<B>
1.5 39 83 x 52
2 52 111 x 69
2.5 64 139 x 87
3 77 167 x 104
3.5 90 194 x 122
4 103 222 x 139
4.5 116 250 x 156
5 129 278 x 174
6 155 333 x 208
7 181 389 x 243
8 206 444 x 278
9 232 500 x 313
10 258 556 x 347
11 284 611 x 382
12 310 667 x 417
Zoom Ratio: 1.2x
Top Screen size
From base to Diagonal
top of image (inches)
<B>
(cm) <C>
68 46
90 62
113 77
135 93
158 108
181 124
203 139
226 155
271 186
316 217
361 248
406 279
451 310
497 340
542 371
Top
(Max zoom)
W (cm) x From base to top
H (cm)
of image (cm)
<C>
100 x 63 81
133 x 83 108
167 x 104 135
200 x 125 163
233 x 146 190
267 x 167 217
300 x 188 244
333 x 208 271
400 x 250 325
467 x 292 379
533 x 333 433
600 x 375 488
667 x 417 542
733 x 458 596
800 x 500 650
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