20
CONN
EC
TIONS AND SETU
P
Screen Size and Projection Distance
(Short throw lens)
When using a wide
screen (16:9)
In case of displaying the
16:9 picture on the whole
area 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.
IR
REPEAT
ER
2
1
12V-TRI
GGER
IR
REP
EATE
R
1
2
12V
-TR
IG
GER
The formula for screen size and projection distance
Wide Screen 16:9
Screen Size
Throw Distance
Distance from lens center to
image bottom after lens shift
Diagonal size
Width
Height
Maximum
Minimum
Shift up (max) Shift down (max)
in
cm
in
cm
in
cm
ft
m
ft
m
in
cm
in
cm
300.0
762.0
261.5
664.1
147.1
373.6
45.1
13.7
32.2
9.8
14.7
37.4
-110.3
-280.2
250.0
635.0
217.9
553.5
122.6
311.3
37.6
11.4
26.8
8.2
12.3
31.1
-91.9
-233.5
200.0
508.0
174.3
442.8
98.1
249.1
30.0
9.2
21.4
6.5
9.8
24.9
-73.5
-186.8
150.0
381.0
130.7
332.1
73.5
186.8
22.5
6.9
16.1
4.9
7.4
18.7
-55.2
-140.1
133.0
337.8
115.9
294.4
65.2
165.6
20.0
6.1
14.3
4.3
6.5
16.6
-48.9
-124.2
106.0
269.2
92.4
234.7
52.0
132.0
15.9
4.9
11.4
3.5
5.2
13.2
-39.0
-99.0
100.0
254.0
87.2
221.4
49.0
124.5
15.0
4.6
10.7
3.3
4.9
12.5
-36.8
-93.4
92.0
233.7
80.2
203.7
45.1
114.6
13.8
4.2
9.9
3.0
4.5
11.5
-33.8
-85.9
84.0
213.4
73.2
186.0
41.2
104.6
12.6
3.8
9.0
2.7
4.1
10.5
-30.9
-78.5
72.0
182.9
62.8
159.4
35.3
89.7
10.8
3.3
7.7
2.4
3.5
9.0
-26.5
-67.2
Y1 (Max.) = 0.15x
Y2 (Min.) = 0.107x
Z1 (Up max) = 0.049x
Z2 (Down max) = -0.367x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from lens center to image
bottom (in)
Note
•
There is a tolerance of ±3% in the formula above.
•
Values with a minus (-) sign indicate the lens center is above the image
bottom.
9
16
: Picture area
The formula for screen size and projection distance
Standard Screen 4:3
Screen Size
Throw Distance
Distance from lens center to image
bottom after lens shift
Diagonal size
Width
Height
Maximum
Minimum
Shift up (max)
Shift down (max)
in
cm
in
cm
in
cm
ft
m
ft
m
in
cm
in
cm
300.0
762.0
240.0
609.6
180.0
457.2
41.4
12.6
29.5
9.0
18.0
45.7
-135.0
-342.9
250.0
635.0
200.0
508.0
150.0
381.0
34.5
10.5
24.6
7.5
15.0
38.1
-112.5
-285.8
200.0
508.0
160.0
406.4
120.0
304.8
27.6
8.4
19.7
6.0
12.0
30.5
-90.0
-228.6
150.0
381.0
120.0
304.8
90.0
228.6
20.7
6.3
14.8
4.5
9.0
22.9
-67.5
-171.5
133.0
337.8
106.4
270.3
79.8
202.7
18.3
5.6
13.1
4.0
8.0
20.3
-59.9
-152.0
106.0
269.2
84.8
215.4
63.6
161.5
14.6
4.5
10.4
3.2
6.4
16.2
-47.7
-121.2
100.0
254.0
80.0
203.2
60.0
152.4
13.8
4.2
9.8
3.0
6.0
15.2
-45.0
-114.3
92.0
233.7
73.6
186.9
55.2
140.2
12.7
3.9
9.0
2.8
5.5
14.0
-41.4
-105.2
84.0
213.4
67.2
170.7
50.4
128.0
11.6
3.5
8.3
2.5
5.0
12.8
-37.8
-96.0
72.0
182.9
57.6
146.3
43.2
109.7
9.9
3.0
7.1
2.2
4.3
11.0
-32.4
-82.3
Y1 (Max.) = 0.138x
Y2 (Min.) = 0.098x
Z1 (Up max) = 0.06x
Z2 (Down max) = -0.45x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from lens center to image
bottom (in)
Note
•
There is a tolerance of ±3% in the formula above.
•
Values with a minus (-) sign indicate the lens center is above the image
bottom.
3
4
: Screen area
: Picture area
Содержание 1080p DLP LED
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