Acer S1370WHn - How to Optimize Image Size and Distance

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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. Example: If the
projector is 1.0 m from the screen, good image quality is possible for image
sizes 89".
Note: Remind as below figure, the space of 135 cm height is
required when located at 1.0 m distance.
Figure: Fixed distance with different zoom and screen size.
89"
89"
89"
A
C
B
Height:
135 cm
1.0 m
Desired Distance
S
c
r
e
e
n
s
i
z
e
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