Guide To Screen Size And Projector Mounting Position; Screen Size And Projection Distance (Np200/Np100) - NEC NP09CM Installation And Adjustment Manual

Ceiling mount unit
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Guide to Screen Size and Projector Mounting Position

Screen Size and Projection Distance··· (NP200/NP100)
Use this guide when considering the distance to the screen and the screen size.
• The ceiling mount unit can be adjusted up and down a maximum of +/-10˚, but if too much
of an angle is taken the image will show some distortion. Therefore, it is recommended that
an adjustment is made in conjunction with the screen projection angle.
• Recommended screen sizes for projectors are from 30 inches to 300 inches. (Screen sizes
represent the diagonal dimension.)
300
240
200
180
150
120
100
80
60
40
25
90.4mm
0
1
(*2)
2
3
4
5m
(*1) Distance from center of fixed ceiling part to end of main unit lens.
(*2) Distance of lens center from ceiling mount surface of fixed ceiling part.
(*3) The angle is 12.8˚ using a telephoto setting for distances from lens center (horizontal) to screen center.
(*4) The angle is 14˚ using a wide angle setting for distances from lens center (horizontal) to screen center.
Using the Diagrams
Referring to the diagram, screen sizes that can be used at a projection distance of 3 m will range from 69
inches to 77 inches.
To project to a screen size of 200 inches, the projection distance will range from 7.9 m to 8.7 according
to the diagram.
See Page 8 for the vertical and horizontal dimensions of the screen size.
0
1
2
3
Projection Distance
(*1)
0
1
2
3
Wide angle (Maximum)
Telephoto (Maximum)
4
5
6
7
The projection distance is a calculated value and as such,
there is a tolerance of +/- 5%.
(*4)
Wide angle
Telephoto
4
5
6
7
6
Zoom adjustment range
8
9
10
11
(*3)
8
9
10
11
12(m)
12(m)

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