Acer K130 - 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 1.34 m from the screen, good image quality is possible for image
sizes 41.5".
Note: Remind as below figure, the space of 56 cm height is
required when located at 1.34 m distance.
screen size
41.5"
screen size
41.5" 1.5
A
C
1.34m
Desired Distance
Height:
56cm