Ceiling Installation
Use the
a:Distance between the screen and the front hole for the mount bracket on the bottom surface of the unit
b:Distance from the ceiling to the bottom surface of the unit
x: Distance between the ceiling and the center of the screen
Support (not supplied)
a
Ceiling
b
Center of the
x screen
Center of the lens
When using the 16:9 aspect ratio screen
Unit: mm (inches)
Screen Size | 40 | 60 | 80 | 100 | 120 | 150 | 180 | 200 | |
(inches) |
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a | Minimum | 1290 | 1890 | 2500 | 3100 | 3700 | 4610 | 5510 | 6120 |
| Distance | (50 7/8) | (74 1/2) | (98 1/2) | (122 1/8) | (145 3/4) | (181 5/8) | (217) | (241) |
| Maximum | 1910 | 2830 | 3750 | 4660 | 5580 | 6950 | 8330 | 9240 |
| Distance | (75 1/4) | (111 1/2) | (147 3/4) | (183 1/2) | (219 3/4) | (273 3/4) | (328) | (363 7/8) |
x | Minimum | 174 | 299 | 423 | 548 | 672 | 859 | 1046 | 1170 |
| Distance | (6 7/8) | (11 7/8) | (16 3/4) | (21 5/8) | (26 1/2) | (33 7/8) | (41 1/4) | (46 1/8) |
| Maximum | b+423 | b+672 | b+921 | b+1170 | b+1419 | b+1793 | b+2166 | b+2416 |
| Distance | (b+16 3/4) | (b+26 1/2) | (b+36 3/8) | (b+46 1/8) | (b+55 7/8) | (b+70 5/8) | (b+85 3/8) | (b+95 1/4) |
b |
| 150, 175, 200, 250, 300 mm (6, 7, 7 7/8, 9 7/8, 10 7/8, 11 7/8 inches) adjustable | |||||||
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To calculate the installation measurements (SS: Screen Size)
a (minimum) = {(SS × 21.27/0.7227) – 35.160899} × 1.025 + 123.5
a (maximum) = {(SS × 33.9409273/0.7227) – 37.678872} × 0.975 + 123.5 x (minimum) = (SS/0.7227 × 4.5) – 75
x (maximum) = b + (SS/0.7227 × 9) – 75
58 Ceiling Installation