Acer P1183 User Manual page 25

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720p series
If the projector is 3 m from the screen, good image quality is possible for image
sizes between 80" and 87".
Note: Remind as below figure, the space of 130 cm height is
required when located at 3 m distance.
Screen size
Desired
Distance
Diagonal
(m)
W (cm) x
(inch)
<A>
H (cm)
<B>
0.9 24 53 x 30
1 27 59 x 33
1.5 40 88 x 50
2 53 118 x 66
2.5 66 147 x 83
3 80 176 x 99
3.5 93 206 x 116
4 106 235 x 132
4.5 120 265 x 149
5 133 294 x 165
6 159 353 x 199
7 186 412 x 232
9 239 529 x 298
10 266 588 x 331
10.5 279 618 x 347
11.8 314 694 x 390
Zoom Ratio: 1.1x
A
3 m
Desired Distance
Top
(Min zoom)
From base to
top of image
(cm) <C>
36
39
59
79
99
118
138
158
178
197
237
276
355
395
414
466
B
Height: 130 cm
from base to
top of image
Height:
118 cm
C
Screen size
(Max zoom)
From base to top
Diagonal
W (cm) x
(inch)
H (cm)
<B>
26 58 x 33
29 65 x 36
44 97 x 54
58 129 x 73
73 161 x 91
87 194 x 109
102 226 x 127
117 258 x 145
131 290 x 163
146 323 x 181
175 387 x 218
204 452 x 254
262 581 x 327
291 645 x 363
306 677 x 381
34 761 x 428
15
Top
of image (cm)
<C>
39
43
65
87
108
130
152
173
195
216
260
303
390
433
455
511