Acer P1250B Series User Manual page 27

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P1250B/M316E/PE-X45K
If the projector is 3 m from the screen, good image quality is possible for image
sizes between 75" and 98".
Note: Remind as below figure, the space of 160 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 25
1.5 37
2 50
2.5 62
3 75 152 x 114
3.5 87 178 x 133
4 100 203 x 152
4.5 112 228 x 171
5 125 254 x 190
6 150 305 x 228
7 175 355 x 266
8 200 406 x 305
9 225 457 x 343
10 250 508 x 381
11 275 558 x 419
12 300 609 x 457
Zoom Ratio: 1.3 x
3 m
Desired distance
From base to
top of image
(cm)
< C >
51 x 38 41
76 x 57 61
102 x 76 82
127 x 95 102
123
143
164
184
205
246
286
327
368
409
450
491
98"
75"
Height:
160m
Height:
From
123 cm
base to
top of
image
Maximum Screen Size (Max zoom)
Diagonal
(inch) W (cm) x H (cm)
< B >
33 66 x 50
49 99 x 75
65 132 x 99
81 166 x 124
98 199 x 149
114 232 x 174
130 265 x 199
147 298 x 224
163 331 x 248
196 397 x 298
228 464 x 348
261 530 x 397
293 596 x 447
326 662 x 497
359 728 x 546
391 795 x 596
17
From base to
top of image
(cm)
< C >
53
80
107
133
160
187
214
240
267
320
374
427
481
534
587
641