Setting Up The Screen - Sharp PG-C20X Operation Manual

Setting up the Screen

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.
Standard Setup (Front Projection)
Place the projector at the required distance from the screen according to the desired picture size. (See the table
below.)
NORMAL Mode
(4:3)
STRETCH Mode
(16:9)
BORDER Mode
(4:3)
Picture size
Diag. (x) Width Height
250 200 150
200 160 120
150 120 90
100 80 60
84 67 50
72 58 43
60 48 36
40 32 24
The formula for picture size and projection
distance
Picture size
Diag. (x) Width Height
225 196 110 32 10 (10.0 m)
200 174 98 32 10 (10.0 m)
150 131 74
133 116 65
106 92 52
100 87 49
92 80 45
84 73 41
72 63 35
60 52 29
40 35 20
The formula for picture size and projection
distance
Picture size
Diag. (x) Width Height
180 144 108 32 10 (10.0 m)
150 120 90
100 80 60
84 67 50
72 58 43
60 48 36
40 32 24
The formula for picture size and projection
distance
x : Picture size (diag.) (inches)
L : Maximum projection distance (feet)
1
• There are errors of 3% in the formulas above.
• Values with a minus ( ) sign indicate the distance of the lens center below the bottom of the screen.
Projection distance (L)
Maximum (L ) Minimum (L
1 2
32 10 (10.0 m) 32 7 (9.9 m)
31 5 (9.6 m) 26 (7.9 m)
23 6 (7.2 m) 19 6 (5.9 m)
15 7 (4.8 m) 12 11 (3.9 m)
13 1 (4.0 m) 10 10 (3.3 m)
11 2 (3.4 m) 9 3 (2.8 m)
9 4 (2.8 m) 7 8 (2.3 m)
6 2 (1.9 m) 5 1 (1.6 m)
L (feet) = (0.0481x
1
(feet) = (0.0399x
L
2
H (inches) = 0.06x
Projection distance (L)
Maximum (L ) Minimum (L
1 2
32 0 (9.8 m)
28 5 (8.7 m)
25 7 (7.8 m) 21 3 (6.5 m)
22 8 (6.9 m) 18 10 (5.7 m)
18 1 (5.5 m) 14 12 (4.6 m)
17 (5.2 m) 14 1 (4.3 m)
15 8 (4.8 m) 12 12 (4.0 m)
14 3 (4.4 m) 11 10 (3.6 m)
12 3 (3.7 m) 10 1 (3.1 m)
10 2 (3.1 m) 8 5 (2.6 m)
6 9 (2.0 m) 5 7 (1.7 m)
L (feet) = (0.0524x
1
(feet) = (0.0436x
L
2
H (inches) =
Projection distance (L)
Maximum (L ) Minimum (L
1 2
31 3 (9.5 m)
31 4 (9.6 m) 25 12 (7.9 m)
20 10 (6.3 m) 17 3 (5.3 m)
17 6 (5.3 m) 14 6 (4.4 m)
14 11 (4.6 m) 12 4 (3.8 m)
12 5 (3.8 m) 10 3 (3.1 m)
8 3 (2.5 m) 6 9 (2.1 m)
L (feet) = (0.0641x
1
(feet) = (0.0532x
L
2
H (inches) =
L : Minimum projection distance (feet)
2
H: Distance from the lens center to the
bottom of the image (inches)
Distance from the lens center to the
bottom of the image (H)
)
15 (38.1 cm)
12 (30.5 cm)
9 (22.9 cm)
6 (15.2 cm)
1
5 ⁄ (12.8 cm)
32
4 5 ⁄ (11.0 cm)
16
3 19 ⁄ (9.1 cm)
32
2 13 ⁄ (6.1 cm)
32
0.0447) 3.28
0.0447) 3.28
Distance from the lens center to the
bottom of the image (H)
)
3 43 ⁄ ( 9.3 cm)
64
17
3 ⁄ ( 8.3 cm)
64
2 29 ⁄ ( 6.2 cm)
64
2 11 ⁄ ( 5.5 cm)
64
1 47 ⁄ ( 4.4 cm)
64
1 41 ⁄ ( 4.2 cm)
64
1 1 ⁄ ( 3.8 cm)
2
1 3 ⁄ ( 3.5 cm)
8
1 11 ⁄ ( 3.0 cm)
64
63 ⁄ ( 2.5 cm)
64
21 ⁄ ( 1.7 cm)
32
0.0447) 3.28
0.0447) 3.28
0.0163x
Distance from the lens center to the
bottom of the image (H)
)
3 19 ⁄ ( 9.1 cm)
32
3 ( 7.6 cm)
2 ( 5.1 cm)
1 11 ⁄ ( 4.3 cm)
16
1 7 ⁄ ( 3.7 cm)
16
1 3 ⁄ ( 3.0 cm)
16
13 ⁄ ( 2.0 cm)
16
0.0447) 3.28
0.0447) 3.28
0.02x
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