Acer C112 - Manual (Page 24)

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English
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.
If the projector is 2 m from the screen, good image quality is possible for the
image sizes around 50".
Note: Remind as below figure, the space of 76 cm height is
required when the projector is 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 >
0.6 15 33 x 19 23
0.8 20 44 x 25 30
1 25 55 x 31 38
1.5 37 83 x 47 56
2 50 110 x 62 76
2.5 62 138 x 78 94
3 75 166 x 93 114
3.5 87 193 x 109 133
4 100 221 x 124 152
Zoom Ratio: 1.0 x
C A
B
2 m
Desired distance
Height:
76 cm
From
base to
top of
image
50"