Acer H7550ST Series User Manual page 23

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H7550BD/E155D/HE-815J/H1P1406/H7550BDz
If the projector is 3 m from the screen, good image quality is possible for image
sizes between 91" and 118".
Note: Remind as below figure, the space of 189 cm height is
required when the projector is located at 3 m distance.
Minimum Screen Size (Min zoom)
Desired
Distance
Diagonal
(m)
(inch) W (cm) x H (cm)
< A >
< B >
1 30
1.5 45
2 61
2.5 76
3 91 200 x 113
3.5 106 233 x 131
4 121 267 x 150
4.5 136 300 x 169
5 152 333 x 188
6 182 400 x 225
7 212 467 x 263
8 242 533 x 300
9 273 600 x 338
10 303 667 x 375
11 333 733 x 413
12 364 800 x 450
Zoom Ratio: 1.3 x
3 m
Desired distance
From base to
top of image
(cm)
< C >
67 x 38 48
100 x 56 72
133 x 75 98
167 x 94 122
146
170
194
218
243
291
339
387
437
485
533
582
118"
91"
Height:
189 cm
From
base to
Height:
top of
146 cm
image
Maximum Screen Size (Max zoom)
Diagonal
(inch) W (cm) x H (cm)
< B >
39 87 x 49
59 130 x 73
79 174 x 98
98 217 x 122
118 261 x 147
137 304 x 171
157 348 x 196
177 391 x 220
196 435 x 245
236 522 x 293
275 609 x 342
314 696 x 391
354 783 x 440
393 870 x 489
432 957 x 538
471 1043 x 587
13
From base to
top of image
(cm)
< C >
62
94
126
157
189
219
251
283
314
378
440
502
566
629
691
754