Digital Projection POWER 2v User Manual page 35

LBV00018; Revision E - 28/01/98
3 : 1 LENS
Please ensure you have completely read and understood the Positioning the
Projector overview given on pages B—4 and B—5 before proceeding.
To calculate the distance in metres required between the screen and the front of the
projector case select your screen width from the following table and the aspect
ratios of the images you intend to display.
Screen Width
To calculate the distance in feet required between the screen and the front of the
projector case use the following table.
Screen Width
If you screen width is not included in the above tables refer to lenses, D—18.
Installers should allow for up to 75mm (3 inches) of projected image width
adjustment to account for lens tolerances.
THROW DISTANCE (IN METRES) REQUIRED TO DISPLAY FULL IMAGE
4 x 3
(metres) Aspect Ratio
2.40 7.24
3.00 9.04
3.60 10.85
4.20 12.66
4.80 14.46
6.00 18.08
THROW DISTANCE (IN FEET) REQUIRED TO DISPLAY FULL IMAGE
4 x 3
(feet) Aspect Ratio
8.0 24.10
10.0 30.12
12.0 36.15
14.0 42.17
16.0 48.19
20.0 60.24
5 x 4 8 x 5
Aspect Ratio Aspect Ratio
7.72 6.83
9.65 8.53
11.57 10.24
13.50 11.94
15.43 13.65
19.28 17.06
5 x 4 8 x 5
Aspect Ratio Aspect Ratio
25.71 22.74
32.13 28.42
38.56 34.10
44.98 39.78
51.40 45.46
64.25 56.83
System Installation
14 x 9 16 x 9
Aspect Ratio Aspect Ratio
6.83 6.83
8.53 8.53
10.24 10.24
11.94 11.94
13.65 13.65
17.06 17.06
14 x 9 16 x 9
Aspect Ratio Aspect Ratio
22.74 22.74
28.42 28.42
34.10 34.10
39.78 39.78
45.46 45.46
56.83 56.83
BÑ7