Acer P5271 - Manual (Page 32)

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En
gl
ish
P5390W
The table below shows how to achieve a desired image size by adjusting either
the position or the zoom ring. For example: to obtain an image size of 50" set
the projector at a distance 1.4 m and 2.3 m from the screen and adjust the zoom
level accordingly.
Desired Distance
Height
Form base to
top of image
2.3m
1.4 m
50"
Desired
image size
A
C
D
B