Chapter 2 Getting
(The dimensions of the following table contain a slight error.)
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Projection screen | 4:3 aspect ratio |
| 16:9 aspect ratio |
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| 16:10 aspect ratio | |||
size |
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| Min. projection | Max. projection | Min. projection | Max. projection | Min. projection | Max. projection | |||
Diagonal (SD) | distance | distance | distance | distance | distance | distance | |||
| (LW) | (LT) | (LW) | (LT) | (LW) | (LT) | |||
1.02 (40") | 1.46 (4.81') | 2.99 (9.81') | 1.32 | (4.53') | 2.71 | (8.90') | 1.29 | (4.23') | 2.63 (8.65') |
1.27 (50") | 1.84 (6.06') | 3.75 (12.30') | 1.67 | (5.49') | 3.40 (11.15') | 1.62 | (5.33') | 3.30 (10.85') | |
1.52 (60") | 2.22 (7.31') | 4.50 (14.79') | 2.01 | (6.62') | 4.08 (13.41') | 1.96 | (6.43') | 3.97 (13.05') | |
1.78 (70") | 2.60 (8.56') | 5.26 (17.27') | 2.36 | (7.75') | 4.77 (15.67') | 2.29 | (7.54') | 4.64 (15.24') | |
2.03 (80") | 2.99 (9.81') | 6.02 (19.76') | 2.71 | (8.89') | 5.46 (17.93') | 2.63 | (8.64') | 5.31 (17.44') | |
2.29 (90") | 3.37 (11.06') | 6.78 (22.25') | 3.05 (10.02') | 6.15 (20.19') | 2.97 | (9.74') | 5.98 (19.64') | ||
2.54 (100") | 3.75 (12.30') | 7.54 (24.74') | 3.40 (11.15') | 6.84 (22.45') | 3.30 (10.85') | 6.65 (21.83') | |||
3.05 (120") | 4.51 (14.80') | 9.05 (29.71') | 4.09 (13.42') | 8.21 (26.96') | 3.98 (13.05') | 7.99 (26.23') | |||
3.81 (150") | 5.65 (18.55') | 11.33 (37.18') | 5.12 (16.82') | 10.28 | (33.74') | 4.98 (16.36') | 10.00 (32.82') | ||
5.08 (200") | 7.55 (24.79') | 15.12 (49.61') | 6.85 (22.49') | 13.72 | (45.03') | 6.66 (21.88') | 13.35 (43.81') | ||
6.35 (250") | 9.46 (31.03') | 18.91 (62.05') | 8.58 (28.16') | 17.16 | (56.32') | 8.35 (27.39') | 16.70 (54.80') | ||
7.62 (300") | 11.36 (37.28') | 22.70 (74.49') | 10.31 | (33.83') | 20.61 | (67.61') | 10.03 | (32.91') | 20.05 (65.78') |
Projection distance formulas
To use a screen size not listed in this manual, check the screen size SD (m) and use the following formula to calculate projection distance. The unit of the formula is m. (The values of the following calculation results contain slight error.)
For
| 4:3 aspect ratio | 16:9 aspect ratio | 16:10 aspect ratio |
Screen size Height (SH) | = SD x 0.6 | = SD x 0.490 | = SD x 0.530 |
Screen size Width (SW) | = SD x 0.8 | = SD x 0.872 | = SD x 0.848 |
Min. projection distance (LW) | = 1.5854 x SD - 0.0544 | = 1.2955 x SD - 0.0544 | = 1.4004 x SD - 0.0544 |
Max. projection distance (LT) | = 3.1589 x SD - 0.0408 | = 2.5812 x SD - 0.0408 | = 2.7904 x SD - 0.0408 |
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For
| 4:3 aspect ratio | 16:9 aspect ratio | 16:10 aspect ratio |
Screen size Height (SH) | = SD x 0.6 | = SD x 0.490 | = SD x 0.530 |
Screen size Width (SW) | = SD x 0.8 | = SD x 0.872 | = SD x 0.848 |
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Min. projection distance (LW) | = 1.4984 x SD - 0.0542 | = 1.3604 x SD - 0.0542 | = 1.3236 x SD - 0.0542 |
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Max. projection distance (LT) | = 2.9851 x SD - 0.0407 | = 2.7102 x SD - 0.0407 | = 2.6369 x SD - 0.0407 |
Adjusting adjustable feet
Install the projector on a flat surface so that the front of the projector is parallel to the screen surface and the projection screen is rectangular.
If the screen is tilted downward, the projection screen can be adjusted to be rectangular by adjusting the adjustable feet. The adjustable feet can also be used to adjust the projector to be level when it is tilted in a horizontal direction.
Extend the adjustable feet by rotating in the direction shown in the figure and retract by rotating in the opposite direction.
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Attention
ff When adjusting the adjustable feet when the light source is on, make sure that your hands do not block the intake and exhaust. (x page 20) ff When there is trapezoidal distortion, execute the [POSITION] menu → [KEYSTONE] (x page 54).
26 - ENGLISH