9. Appendix
129
[PE455WL]
Lens shifting range:
Vertical direction: +55%, −0%
Horizontal direction: ±26%
DESKTOP FRONT, DESKTOP REAR
100%V
55%V
Height of projected
image
Width of projected
image
CEILING FRONT, CEILING REAR
100%V
55%V
100%H26%H 26%H
Height of projected
image
Width of projected
image
(Example) When using to project on a 150" screen
According to the “Table of screen sizes and dimensions” (→ page 124), H = 127.2''/323.1 cm, V =
79.5''/201.9 cm.
Adjustment range in the vertical direction: the projected image can be moved upwards 0.55 ×
79.5''/201.9 cm ≈ 43.7''/111 cm (when the lens is at the center position).
Adjustment range in the horizontal direction: the projected image can be moved to the left 0.26 ×
127.2''/323.1cm ≈ 33.1''/84 cm, to the right approximately 33.1''/84 cm.
* Figures dier by several % because the calculation is approximate.
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