Adjusting The Projector's Focus; Adjusting Projection Image Size - ViewSonic PLED-W500 User Manual

Adjusting the Projector's Focus

To focus the image, rotate the focus ring until the image is clear.

Adjusting Projection Image Size

Refer to the graphics and table show as below to determine the screen size and
projection distance.
Adjusting the vertical image position
Projection distance (m) = 1.4 x Screen size (m) x 0.848
Ex.: Projection distance (0.9m)=1.4 x Screen size (0.76) x 0.848
Tolerance is around 5%
Projection Distance
Inch
35.4
39.4
47.2
51.2
63
74.8
86.6
94.5
This table is for user's reference only.
Focus Ring
Lens Center
Projection Distance
Screen Size (16:10)
m Inch
0.9 30
1.0 33
1.2 40
1.3 43
1.6 53
1.9 63
2.2 73
2.4 80
Screen
m
0.76
0.84
1.02
1.09
1.35
1.60
1.85
2.03
18