24
Setup & Connections
Adjusting the Projection Distance
Standard Lens
Throw distance ratio
1:1.8 to 2.4
(300
)
(200
)
(150
)
(100
)
(84
)
(72
)
(60
)
(40
)
(240
)
(160
)
(120
)
(80
)
(67
)
(58
)
(48
)
(32
)
(180
)
(120
)
(90
)
(60
)
(50
)
(43
)
(36
)
(24
)
762 cm
508 cm
381 cm
254 cm
213 cm
183 cm
152 cm
102 cm
610 cm
406 cm
305 cm
203 cm
170 cm
147 cm
122 cm
81 cm
457 cm
305 cm
229 cm
152 cm
127 cm
109 cm
91 cm
61 cm
14.3 m
9.8 m
7.2 m
4.9 m
4.0 m
3.4 m
2.9 m
1.9 m
Diag.
Width
Screen size (4:3) (X)
Height
Projection distance (L)
Maximum (
l
1
)
11.0 m
7.4 m
5.6 m
3.7 m
3.1 m
2.6 m
2.2 m
1.4 m
Minimum (
l
2
)
228.6 cm
152.4 cm
114.3 cm
76.2 cm
64.0 cm
54.9 cm
45.7 cm
30.5 cm
Lens centre to the lower edge of the screen (H)
Upper lens shift position (
h
1
)
0.0 cm
0.0 cm
0.0 cm
0.0 cm
0.0 cm
0.0 cm
0.0 cm
0.0 cm
Lower lens shift position (
h
2
)
NORMAL Mode (4:3)
(300
)
(200
)
(150
)
(133
)
(106
)
(100
)
(92
)
(84
)
(72
)
(60
)
(40
)
(261
)
(174
)
(131
)
(116
)
(92
)
(87
)
(80
)
(73
)
(63
)
(52
)
(35
)
(147
)
(98
)
(74
)
(65
)
(52
)
(49
)
(45
)
(41
)
(35
)
(29
)
(20
)
762 cm
508 cm
381 cm
338 cm
269 cm
254 cm
234 cm
213 cm
183 cm
152 cm
102 cm
663 cm
442 cm
333 cm
295 cm
234 cm
221 cm
203 cm
185 cm
160 cm
132 cm
89 cm
373 cm
249 cm
188 cm
165 cm
132 cm
124 cm
114 cm
104 cm
89 cm
74 cm
51 cm
15.6 m
10.5 m
7.9 m
7.0 m
5.6 m
5.2 m
4.8 m
4.3 m
3.7 m
3.1 m
2.0 m
Diag.
Width
Screen size (4:3) (X)
Height
Projection distance (L)
Maximum (
l
1
)
12.0 m
8.1 m
6.1 m
5.4 m
4.3 m
4.0 m
3.7 m
3.3 m
2.8 m
2.4 m
1.5 m
Minimum (
l
2
)
186.8 cm
124.5 cm
93.4 cm
82.8 cm
66.0 cm
62.3 cm
57.3 cm
52.3 cm
44.8 cm
37.4 cm
24.9 cm
Lens centre to the lower edge of the screen (H)
Upper lens shift position (
h
1
)
62.3 cm
41.5 cm
31.1 cm
27.6 cm
22.0 cm
20.8 cm
19.1 cm
17.4 cm
14.9 cm
12.5 cm
8.3 cm
Lower lens shift position (
h
2
)
WIDE Mode (16:9)
The formula for screen size and projection distance
l
1
(Max.) = 0.0482
x
0.0226
l
2
(Min.) = 0.037
x
0.041
h
1
(Upper) = 0.3
x
2.54
h
2
(Lower) =
0
The formula for screen size and projection distance
l
1
(Max.) = 0.0525
x
0.0546
l
2
(Min.) = 0.0404
x
0.0397
h
1
(Upper) = 0.2451
x
2.54
h
2
(Lower) =
0.0817
x
2.54
x
: Screen size (diag.) (X) (inches)
l
: Projection distance (L) (m)
h
: Lens centre to the lower edge of the screen (H) (cm)
• There is an error of
3% in the formula above.
• Values with a minus (
) sign indicate the distance of the lens centre below the bottom of the screen.
x
: Screen size (diag.) (X) (inches)
l
: Projection distance (L) (m)
h
: Lens centre to the lower edge of the screen (H) (cm)
Содержание XG-P20XE
Страница 85: ...SHARP CORPORATION ...
