Setting up your projector (continued), Screen size and projection distance, En-1 – MITSUBISHI ELECTRIC WL639U User Manual
Page 12: When the aspect ratio of the screen is 4:3
EN-1
Screen size and projection distance
Refer to the following table to determine the screen size.
B
A
Hd
Center of the lens
(Height of the pr
ojected image)
(Width of the projected image)
Screen size
Projection distance (L)
• The above figures are approximate and may be slightly different from the actual measurements.
Setting up your projector (continued)
When the aspect ratio of the screen is 4:3
When the aspect ratio of the screen is 4:3, the positional relation between
the projected image and the screen is as shown on the right. Refer to the
following table for installation.
C
A
D
D
B
• The above figures are approximate and may be slightly different from the actual measurements.
Screen size
(Height of the
pr
ojected image)
(Height of the scr
een)
(Width of the projected image)
When the aspect ratio of the image is 16:10 (WXGA)
When the aspect ratio of the image is 16:9
Hd2
L
16 : 9
Hd1
L
16 : 10 (WXGA)
Screen size
Projection distance (L)
4:3 diagonal size
Height A
Width B
Shortest (Wide) Longest (Tele)
Hd
inch cm
inch cm
inch cm
inch
m
inch
m
inch cm
40
10
1
54
34
86
49
1.
59
1.5
0.5
1
60
15
3
81
51
19
74
1.9
90
.3
0.8
80
03
4
108
68
17
100
.5
11
3.1
1.1
3
100
54
53
135
85
15
15
3.
151
3.8
1.3
3
150
381
79
0
17
33
189
4.8
8
5.8
.0
5
00
508
106
69
170
431
5
6.4
305
7.7
.6
7
50
635
13
337
1
538
315
8.0
381
9.7
3.3
8
300
76
159
404
54
646
379
9.6
-
-
3.9
10
40
10
4
61
3
81
18
46
3
81
3.0
8
46
1.
56
1.4
0.5
1
60
15
36
91
48
1
7
69
48
1
4.5
11
70
1.8
85
.
0.8
80
03
48
1
64
163
36
91
64
163
6.0
15
94
.4
114
.9
1.0
3
100
54
60
15
80
03
45
114
80
03
7.5
19
118
3.0
143
3.6
1.3
3
150
381
90
9
10
305
68
171
10
305
11.3
9
178
4.5
15
5.5
1.9
5
00
508
10
305
160
406
90
9
160
406
15.0
38
38
6.0
87
7.3
.5
6
50
635
150
381
00
508
113
86
00
508
18.8
48
97
7.6
360
9.1
3.1
8
300
76
180
457
40
610
135
343
40
610
.5
57
357
9.1
-
-
3.8
10
40
10
4
61
3
81
0
51
3
81
.0
5
46
1.
56
1.4
0.5
1
60
15
36
91
48
1
30
76
48
1
3.0
8
70
1.8
85
.
0.7
80
03
48
1
64
163
40
10
64
163
4.0
10
94
.4
114
.9
1.0
3
100
54
60
15
80
03
50
17
80
03
5.0
13
118
3.0
143
3.6
1.
3
150
381
90
9
10
305
75
191
10
305
7.5
19
178
4.5
15
5.5
1.9
5
00
508
10
305
160
406
100
54
160
406
10.0
5
38
6.0
87
7.3
.5
6
50
635
150
381
00
508
15
318
00
508
1.5
3
97
7.6
360
9.1
3.1
8
300
76
180
457
40
610
150
381
40
610
15.0
38
357
9.1
-
-
3.7
9
Screen size
Size of the projected image
Blank
Projected distance (L)
4:3 diagonal size
Height C
Width B
Height A
Width B
space (D)
Shortest (Wide) Longest (Tele)
Hd1
inch cm
inch cm
inch cm
inch cm
inch cm
inch cm
inch
m
inch
m
inch cm
Screen size
Size of the projected image
Blank
Projected distance (L)
4:3 diagonal size
Height C
Width B
Height A
Width B
space (D)
Shortest (Wide) Longest (Tele)
Hd
inch cm
inch cm
inch cm
inch cm
inch cm
inch cm
inch
m
inch
m
inch cm