Acer S1212 - Manual (Page 22)

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How to Optimize Image Size and Distance
Consult the table below to find the optimal image sizes achievable when the
projector is positioned at a desired distance from the screen.
• XGA
If the projector is 2 m from the screen, good image quality is possible for image
sizes around 161".
Note: Remind as below figure, the space of 283 cm height is
required when located at 2 m distance.
Desired
Distance
(m)
< A >
Screen Size
Diagonal
(inch)
< B >
W (cm) x H (cm)
From base to
top of image
(cm)
< C >
0.5 40 82 x 61 71
0.75 61 123 x 92 106
1 81 164 x 123 141
1.25 101 205 x 154 177
1.5 121 246 x 184 212
1.75 141 287 x 215 247
2 161 328 x 246 283
2.25 182 369 x 277 318
2.5 202 410 x 307 353
2.75 222 451 x 338 389
3 242 492 x 369 424
3.25 262 533 x 400 460
3.5 282 574 x 430 495
Zoom Ratio: 1.0 x
2 m
Desired distance
Height:
283 cm
From
base to
top of
image
161"