Sharp PG-D210U Manuel d'utilisation - Page 11
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Projector Distance and Picture Size Relationship
• The zoom lens allows adjustment of the image size within the projector's range.
• For optimum picture adjustment, the projector should be placed and adjusted at a distance between 4.6 ft
(1.4 m) and 57.4 ft (17.5 m) from the screen.
Distance from screen
Picture size: 100 inches (254 cm)
Zoom adjustment range: 19.0 ft–11.8 ft
90˚
Maximum L: 19.0 ft (5.8 m)
Distance between lens and screen: L
• Above is an illustration of maximum and minimum projection distances for the PG-D210U with a picture size of 100 inches
(254 cm). Move the projector forward or backward if the edges of the image are distorted.
Height of Projector
Adjust to match the setup configuration.
Screen
90˚
H
Lower edge of screen
(white portion) = Standard (0) point
• Ceiling Mount
When the projector is in the inverted position, use the high
edge of the screen as the base line.
Note:
• Optimal image quality is produced with the projector positioned perpendicular to the screen with all feet flat and level.
Picture size
(diag.)
300 in. (240 W
200 in. (160 W
150 in. (120 W
100 in. (80 W
80 in. (64 W
60 in. (48 W
40 in. (32 W
90˚
Minimum L: 11.8 ft (3.6 m)
Lens center
Rack/stand
Maximum projection distance
57.4 ft (17.5 m)
180 H)
38.4 ft (11.7 m)
120 H)
28.5 ft (8.7 m)
90 H)
60 H)
19.0 ft (5.8 m)
48 H)
15.1 ft (4.6 m)
36 H)
11.5 ft (3.5 m)
24 H)
7.5 ft (2.3 m)
The formula for picture size and projection
distance
y
1
y
Lens
2
x: Picture size (diag.) (inches)
center
y
1
y
2
Note:
• There is an error of
formula above.
Picture size
(diag.)
300 in. (240 W
200 in. (160 W
150 in. (120 W
100 in. (80 W
80 in. (64 W
60 in. (48 W
40 in. (32 W
High edge of screen
H
90˚
Projection distance (L)
Minimum projection distance
35.8 ft (10.9 m)
23.9 ft (7.3 m)
17.7 ft (5.4 m)
11.8 ft (3.6 m)
9.5 ft (2.9 m)
6.9 ft (2.1 m)
4.6 ft (1.4 m)
= (0.0586x
0.0544)
3.28
= (0.0367x
0.0702)
3.28
: Maximum projection distance (ft)
: Minimum projection distance (ft)
4 inches ( 10 cm) in the
Distance from lens center to
lower edge of screen (H)
180 H)
26.0 in. (66 cm)
120 H)
17.3 in. (44 cm)
90 H)
13.0 in. (33 cm)
60 H)
8.7 in. (22 cm)
48 H)
7.1 in. (18 cm)
36 H)
5.1 in. (13 cm)
24 H)
3.5 in. (9 cm)
E-10