When the aspect ratio of the screen is 4:3: |
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| ENGLISH |
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. |
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| Screen size |
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C (Heightofthescreen) | D A D | (Heightofthe | projectedimage) |
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| B |
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To position the projector relative to the screen: | (Width of the projected image) |
Center of the lens
| A | (Heightofthe projectedimage) |
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B
(Width of the projected image)
Projected distance (L)
1 1 A A 2 2
Lensshift | amount |
Lensshift | amount |
To position the screen relative to the projector:
A | Lensshift | amount |
1 2 | ||
A | (Heightofthe | projectedimage) |
A | Lensshift | amount |
1 2 | ||
B |
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(Width of the projected image)
Center of the lens
Projected distance (L)
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| Screen size |
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| Size of the projected image | Blank | Projected distance (L) | |||||||||
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| space (D) |
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4:3Diagonal |
| Height C | Width B | Height A | Width B | Min. | Max. | ||||||||||
inch | cm |
| inch |
| cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm |
50 | 127 |
| 30 |
| 76 | 40 | 102 | 22 | 57 | 40 | 102 | 3.7 | 9.5 | 63 | 161 | 85 | 217 |
60 | 152 |
| 36 |
| 91 | 48 | 122 | 27 | 69 | 48 | 122 | 4.3 | 11.0 | 76 | 193 | 102 | 260 |
70 | 178 |
| 42 |
| 107 | 56 | 142 | 31 | 80 | 56 | 142 | 5.3 | 13.5 | 89 | 225 | 120 | 304 |
80 | 203 |
| 48 |
| 122 | 64 | 163 | 36 | 91 | 64 | 163 | 6.1 | 15.5 | 101 | 257 | 137 | 347 |
90 | 229 |
| 54 |
| 137 | 72 | 183 | 41 | 103 | 72 | 183 | 6.7 | 17.0 | 114 | 289 | 154 | 390 |
100 | 254 |
| 60 |
| 152 | 80 | 203 | 45 | 114 | 80 | 203 | 7.5 | 19.0 | 126 | 321 | 171 | 434 |
110 | 279 |
| 66 |
| 168 | 88 | 224 | 50 | 126 | 88 | 224 | 8.3 | 21.0 | 139 | 353 | 188 | 477 |
120 | 305 |
| 72 |
| 183 | 96 | 244 | 54 | 137 | 96 | 244 | 9.1 | 23.0 | 152 | 386 | 205 | 520 |
130 | 330 |
| 78 |
| 198 | 104 | 264 | 59 | 149 | 104 | 264 | 9.6 | 24.5 | 165 | 418 | 222 | 564 |
140 | 356 |
| 84 |
| 213 | 112 | 284 | 63 | 160 | 112 | 284 | 10.4 | 26.5 | 177 | 450 | 239 | 607 |
150 | 381 |
| 90 |
| 229 | 120 | 305 | 67 | 171 | 120 | 305 | 11.4 | 29.0 | 190 | 482 | 256 | 650 |
200 | 508 |
| 120 |
| 305 | 160 | 406 | 90 | 229 | 160 | 406 | 15.0 | 38.0 | 253 | 643 | 341 | 867 |
250 | 635 |
| 150 |
| 381 | 200 | 508 | 113 | 286 | 200 | 508 | 18.7 | 47.5 | 316 | 803 | 427 | 1084 |
• The above figures are approximate and may be slightly different from the actual measurements.