Acer K750 - Manual (Page 21)

11
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. Example: If the
projector is 2.5 m from the screen, good image quality is possible for image sizes
between 63" and 75".
Note: Remind as below figure, the space of 109 cm height is
required when located at 2.5 m distance.
Figure: Fixed distance with different zoom and screen size.
75"
63" 63" 63
A
C
B
2.5 m
Desired Distance
Height: 109 cm
From base to
top of image
Height:
91 cm
Max s
creen
size
Min sc
reen s
ize