23
CONNECTIONS AND SETUP
Screen Size and Projection Distance
(Long 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.
The formula for screen size and projection distance
Wide Screen 16:9
Screen Size
Throw Distance
Center of lens to edge of
screen bottom
Diagonal
WIde
High
Max
Min
Up
down
in
cm
in
cm
in
cm
ft
m
ft
m
ft
cm
ft
cm
300.0
762.0
261.5
664.1
147.1
373.6
45.5
13.9
36.2
11.0
2.5
74.7
-9.8
-298.9
250.0
635.0
217.9
553.5
122.6
311.3
37.9
11.6
30.1
9.2
2.0
62.3
-8.2
-249.1
200.0
508.0
174.3
442.8
98.1
249.1
30.4
9.3
24.1
7.3
1.6
49.8
-6.5
-199.2
150.0
381.0
130.7
332.1
73.5
186.8
22.8
6.9
18.1
5.5
1.2
37.4
-4.9
-149.4
133.0
337.8
115.9
294.4
65.2
165.6
20.2
6.2
16.0
4.9
1.1
33.1
-4.3
-132.5
106.0
269.2
92.4
234.7
52.0
132.0
16.1
4.9
12.8
3.9
0.9
26.4
-3.5
-105.6
100.0
254.0
87.2
221.4
49.0
124.5
15.2
4.6
12.1
3.7
0.8
24.9
-3.3
-99.6
92.0
233.7
80.2
203.7
45.1
114.6
14.0
4.3
11.1
3.4
0.8
22.9
-3.0
-91.7
84.0
213.4
73.2
186.0
41.2
104.6
12.8
3.9
10.1
3.1
0.7
20.9
-2.7
-83.7
72.0
182.9
62.8
159.4
35.3
89.7
10.9
3.3
8.7
2.6
0.6
17.9
-2.4
-71.7
60.0
152.4
52.3
132.8
29.4
74.7
9.1
2.8
7.2
2.2
0.5
14.9
-2.0
-59.8
40.0
101.6
34.9
88.6
19.6
49.8
6.1
1.9
4.8
1.5
0.3
10.0
-1.3
-39.8
Y1 (Max.) = 0.15180x
Y2 (Min.) = 0.12057x
Z1 (Upper) = 0.00817x
Z2 (Lower) = -0.03268x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from the lens center to the
lower edge of the image (in)
Note
•
There is a tolerance of ±3% in the formula above.
•
Values with a minus (-) sign indicate the distance of the lens center below the
bottom of the image.
9
16
: Picture area
The formula for screen size and projection distance
Standard Screen 4:3
Screen Size
Throw Distance
Center of lens to edge of
screen bottom
Diagonal
WIde
High
Max
Min
Up
down
in
cm
in
cm
in
cm
ft
m
ft
m
ft
cm
ft
cm
300.0
762.0
240.0
609.6
180.0
457.2
41.8
12.7
33.2
10.1
3.0
91.4
-12.0
-365.8
250.0
635.0
200.0
508.0
150.0
381.0
34.8
10.6
27.7
8.4
2.5
76.2
-10.0
-304.8
200.0
508.0
160.0
406.4
120.0
304.8
27.9
8.5
22.1
6.7
2.0
61.0
-8.0
-243.8
150.0
381.0
120.0
304.8
90.0
228.6
20.9
6.4
16.6
5.1
1.5
45.7
-6.0
-182.9
133.0
337.8
106.4
270.3
79.8
202.7
18.5
5.6
14.7
4.5
1.3
40.5
-5.3
-162.2
106.0
269.2
84.8
215.4
63.6
161.5
14.8
4.5
11.7
3.6
1.1
32.3
-4.2
-129.2
100.0
254.0
80.0
203.2
60.0
152.4
13.9
4.2
11.1
3.4
1.0
30.5
-4.0
-121.9
92.0
233.7
73.6
186.9
55.2
140.2
12.8
3.9
10.2
3.1
0.9
28.0
-3.7
-112.2
84.0
213.4
67.2
170.7
50.4
128.0
11.7
3.6
9.3
2.8
0.8
25.6
-3.4
-102.4
72.0
182.9
57.6
146.3
43.2
109.7
10.0
3.1
8.0
2.4
0.7
21.9
-2.9
-87.8
60.0
152.4
48.0
121.9
36.0
91.4
8.4
2.5
6.6
2.0
0.6
18.3
-2.4
-73.2
40.0
101.6
32.0
81.3
24.0
61.0
5.6
1.7
4.4
1.3
0.4
12.2
-1.6
-48.8
Y1 (Max.) = 0.13933x
Y2 (Min.) = 0.11067x
Z1 (Upper) = 0.00817x
Z2 (Lower) = -0.03268x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from the lens center to the
lower edge of the image (in)
Note
•
There is a tolerance of ±3% in the formula above.
•
Values with a minus (-) sign indicate the distance of the lens center below the
bottom of the image.
3
4
: Screen area
: Picture area
Summary of Contents for 1080p DLP
Page 1: ...1080p DLP Front Projector User s Manual 1080p DLP Front Projector ...
Page 7: ...INTRODUCTION 6 Introduction ...
Page 14: ...13 CONNECTIONS AND SETUP Connections and Setup ...
Page 26: ...25 Basic Operation Basic Operation ...
Page 37: ...Easy to Use Functions 36 Easy to Use Functions ...
Page 53: ...Appendix 52 Appendix ...
Page 68: ...Release Version A ...
