Screen Size And Projection Distance - Yamaha DPX-830 Owner's Manual

◆ Screen size and projection distance

Refer to the following diagram to determine the screen size.
When the aspect ratio of the screen is 16:9
Screen size
B
Width of the projected image
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 below. Refer to the
following table for installation.
When the aspect ratio of the image is 4:3
Screen size
B
Width of the projected image
When the aspect ratio of the image is 16:9
Screen size
Width of the projected image
Diagonal
inch cm
40 102
60 152
80 203
100 254
150 381
200 508
250 635
300 762
• The above figures are approximate and may be slightly different from the actual measurements.
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Center of the lens
Projected distance (L)
Center of the lens
Projected distance (L)
B
Center of the lens
Projected distance (L)
Screen size 4:3 Size of the projected image 16:9
Height C Width B Height A
inch cm inch cm inch
24 61 32 81 18.0
36 91 48 122 27.0
48 122 64 163 36.0
60 152 80 203 45.0
90 229 120 305 67.4
120 305 160 406 89.9
150 381 200 508 112.4
180 457 240 610 134.9
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Screen size 16:9
Diagonal Height A
inch cm inch
40 102 20
60 152 29
80 203 39
100 254 49
150 381 74
200 508 98
250 635 123
275 699 135
• The above figures are approximate and may be slightly different from the actual
measurements.
Screen size 4:3
Diagonal Height A
inch cm inch
40 102 24
60 152 36
80 203 48
100 254 60
150 381 90
200 508 120
250 635 150
275 699 165
• The above figures are approximate and may be slightly different from the actual
measurements.
Project distance (L)
Blank space (D) Min.
cm inch cm inch m
46 3.0 8 51 1.3
69 4.5 11 78 2.0
91 6.0 15 105 2.7
114 7.5 19 132 3.3
171 11.3 29 198 5.0
228 15.0 38 265 6.7
286 18.8 48 332 8.4
343 22.6 57 398 10.1
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Projected distance (L)
Width B Min. Max.
cm inch cm inch m inch
50 35 89 56 1.4 68
75 52 133 85 2.2 103
100 70 177 114 2.9 139
125 87 221 143 3.6 174
187 131 332 216 5.5 262
249 174 443 289 7.3 349
311 218 553 362 9.2 –
342 240 609 398 10.1 –
Project distance (L)
Width B Min. Max.
cm inch cm inch m inch
61 32 81 65 1.6 79
91 48 122 98 2.5 119
122 64 163 132 3.3 159
152 80 203 165 4.2 200
229 120 305 248 6.3 300
305 160 406 332 8.4 –
381 200 508 – – –
419 220 559 – – –
Hd
Max.
inch m inch cm
63 1.6 6.0 15
95 2.4 9.1 23
127 3.2 12.1 31
159 4.0 15.1 38
240 6.1 22.7 58
320 8.1 30.2 77
401 10.2 37.8 96
– – 45.3 115
Hd
m inch cm
1.7 6.6 17
2.6 9.9 25
3.5 13.2 33
4.4 16.5 42
6.6 24.7 63
8.9 32.9 84
– 41.2 105
– 45.3 115
Hd
m inch cm
2.0 6.8 17
3.0 10.2 26
4.0 13.6 35
5.1 17.0 43
7.6 25.5 65
– 34.0 86
– 42.5 108
– 46.8 119