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E-20
Operation
The formula for picture size and projection distance
L
1
= 0.1647x 0.1020
L
2
= 0.1266x 0.0312
H
= 0.0166x 0.0188
• There is an error of 3% in the formula above.
• Values with a minus () sign indicate the distance of the lens center below the bottom of the screen.
Width
261
174
131
116
92
87
80
73
63
52
35
Height
147
98
74
65
52
49
45
41
35
29
20
Diag.
300
200
150
133
106
100
92
84
72
60
40
17
29
⁄32 (45.5 cm)
11
29
⁄32 (30.2 cm)
9 (22.8 cm)
6
3
⁄32 (15.5 cm)
5
3
⁄32 (13.0 cm)
4
13
⁄32 (11.2 cm)
3
45
⁄64 (9.4 cm)
2
13
⁄32 (6.1 cm)
Distance from the lens center to the
bottom of the image (H)
Position the projector perpendicular to the screen with all feet flat and level to achieve an optimal image.
Move the projector forward or backward if the edges of the image are distorted.
• The projector lens should be centered in the middle of the screen. If the lens center is not perpendicular to the screen, the image will be
distorted, making viewing difficult.
• Position the screen so that it is not in direct sunlight or room light. Light falling directly onto the screen washes out colors, making viewing
difficult. Close the curtains and dim the lights when setting up the screen in a sunny or bright room.
• A polarizing screen cannot be used with this projector.
Place the projector at the required distance from the screen according
to the desired picture size (see the table below).
Maximum (L
1
)
46 (14.0 m)
30 7 (9.3 m)
23 1 (7.0 m)
15 6 (4.7 m)
13 (4.0 m)
11 1 (3.4 m)
9 3 (2.8 m)
6 1 (1.9 m)
Minimum (L
2
)
35 4 (10.8 m)
23 6 (7.2 m)
17 8 (5.4 m)
1111 (3.6 m)
9 11 (3.0 m)
8 6 (2.6 m)
7 1 (2.2 m)
4 8 (1.4 m)
Projection distance (L)
Picture size
The formula for picture size and projection distance
L
1
= 0.1533x 0.1057
L
2
= 0.118x 0.0048
H= 0.0592x 0.1134
• There is an error of 3% in the formula above.
x: Picture size (diag.) (inches)
L
1
: Maximum projection distance (feet)
L
2
: Minimum projection distance (feet)
H: Distance from the lens center to the
bottom of the image (H) (inches)
NORMAL Mode
(4:3)
WIDE Mode
(16:9)
Diag.
300
200
150
100
84
72
60
40
Width
240
160
120
80
67
58
48
32
Height
180
120
90
60
50
43
36
24
5 (12.7 cm)
3
11
⁄32 (8.5 cm)
2
33
⁄64 (6.4 cm)
2
15
⁄64 (5.7 cm)
1
25
⁄32 (4.5 cm)
1
43
⁄64 (4.3 cm)
1
35
⁄64 (3.9 cm)
1
13
⁄32 (3.6 cm)
1
7
⁄32 (3.1 cm)
1
1
⁄64 (2.6 cm)
11
⁄16 (1.7 cm)
Distance from the lens center to the
bottom of the image (H)
Maximum (L
1
)
49 6 (15.1 m)
33 (10.1 m)
24 10 (7.6 m)
22 (6.7 m)
17 7 (5.4 m)
16 9 (5.1 m)
15 3 (4.6 m)
14 (4.3 m)
12 (3.7 m)
9 11 (3.0 m)
6 7 (2.0 m)
Minimum (L
2
)
38 (11.6 m)
25 4 (7.7 m)
19 (5.8 m)
16 10 (5.1 m)
13 5 (4.1 m)
12 10 (3.9 m)
11 8 (3.6 m)
10 9 (3.3 m)
9 2 (2.8 m)
7 7 (2.3 m)
5 (1.5 m)
Projection distance (L)
Picture size
x: Picture size (diag.) (inches)
L
1
: Maximum projection distance (feet)
L
2
: Minimum projection distance (feet)
H: Distance from the lens center to the
bottom of the image (H) (inches)
Setting up the Screen
Standard Setup (Front Projection)
H
L
X
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