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Setup
H
L
Side View
Screen
Lens center
Screen Size and Projection Distance
The projection screen size varies according to the distance from the lens of the projector to the screen.
Install the projector so that projected images are projected onto the screen at the optimum size by referring
to the table below. Use the values in the table as a reference when installing the projector.
Picture (Screen) size Projection distance [L]
Diag. [
χ
] Width Height Minimum [L1] Maximum [L2]
200" 174" 98" 17' 4" (5.29 m) 26' 0" (7.95 m) 3
9
/32" (8.3 cm)
150" 131" 74" 12' 11" (3.95 m) 19' 6" (5.95 m) 2
29
/64" (6.2 cm)
100" 87" 49" 8' 7" (2.62 m) 12' 11" (3.95 m) 1
21
/32" (4.2 cm)
80" 70" 39" 6' 9" (2.08 m) 10' 4" (3.15 m) 1
5
/16" (3.3 cm)
70" 61" 34" 5' 11" (1.82 m) 9' 0" (2.75 m) 1
5
/32" (2.9 cm)
60" 52" 29" 5' 1" (1.55 m) 7' 8" (2.35 m)
63
/64" (2.5 cm)
40" 35" 20" 3' 3" (1.01 m) 5' 1" (1.55 m)
43
/64" (1.7 cm)
Distance from the bottom of the image to
the lens center [H]
χ
: Picture size (diag.) (inches)
L: Projection distance (ft/m)
L1: Minimum projection distance (ft/m)
L2: Maximum projection distance (ft/m)
H: Distance from the bottom of the image to the lens center (in/cm)
Note
•There may be an error of ± 3% in the above values.
χ
: Picture size (diag.) (inches)
L: Projection distance (ft/m)
L1: Minimum projection distance (ft/m)
L2: Maximum projection distance (ft/m)
H: Distance from the bottom of the image to the lens center (in/cm)
Distance from the bottom of the image to
the lens center [H]
When using a wide screen (16:9):
In case of displaying the 16:9 picture on the whole of the 16:9 screen.
When using a normal screen (4:3):
In case of setting the 16:9 picture to the full horizontal width of the 4:3 screen.
Picture (Screen) size Projection distance [L]
Diag. [
χ
] Width Height Minimum [L1] Maximum [L2]
200" 160" 120" 15' 10" (4.85 m) 23' 11" (7.29 m) 3" (7.62 cm)
150" 120" 90" 11' 10" (3.62 m) 17' 10" (5.45 m) 2
17
/64" (5.72 cm)
100" 80" 60" 7' 10" (2.40 m) 11' 10" (3.62 m) 1
1
/2" (3.81 cm)
80" 64" 48" 6' 3" (1.91 m) 9' 5" (2.88 m) 1
13
/64" (3.05 cm)
70" 56" 42" 5' 5" (1.66 m) 8' 3" (2.52 m) 1
1
/16" (2.67 cm)
60" 48" 36" 4' 7" (1.42 m) 7' 0" (2.15 m)
57
/64" (2.29 cm)
40" 32" 24" 3' 0" (0.93 m) 4' 7" (1.42 m)
39
/64" (1.52 cm)
The formula for picture size and projection distance
[Feet/inches] [m/cm]
L1 (ft) = (0.02671
χ
–0.05334) / 0.3048 L1 (m) = 0.02671
χ
–0.05334
L2 (ft) = (0.03999
χ
–0.05215) / 0.3048 L2 (m) = 0.03999
χ
–0.05215
H (in) = 0.04151
χ
/ 2.54 H (cm) = 0.04151
χ
The formula for picture size and projection distance
[Feet/inches] [m/cm]
L1 (ft) = (0.02452
χ
–0.05334) / 0.3048 L1 (m) = 0.02452
χ
–0.05334
L2 (ft) = (0.03671
χ
–0.05215) / 0.3048 L2 (m) = 0.03671
χ
–0.05215
H (in) = 0.03810
χ
/ 2.54 H (cm) = 0.03810
χ
DT400_E_P16_18.p65 04.10.18, 1:16 PM17