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User Manual
Visual Systems Division
Technical Bulletin
MultiSync MT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Contents
Notes and Formulas
Projection Distances and Screen Sizes
Ceiling Mount (Lens Wide)
Ceiling Mount (Lens Telephoto)
Desktop Setup (Lens Wide)
Desktop Setup (Lens Telephoto)
Cabinet Dimensions
Ceiling Mount Dimensions
Notes
§
For Screen Sizes of 60 to 300 inches not indicated on the projection tables, use the formulas below.
§
Set the projection distance based on the width of the screen.
§
If the figures on the tables do not match the figures in the formulas, use the figures in the table.
Formulas
Units: Inches
M = 1.25 x W / 33.02
A = C / COSINE
B = (8 x M) + 5.598
C (Zoom Wide) = (53.2 x M) - 3.37
C (Zoom Telephoto) = C (Zoom Wide) x 1.3055
D = (3 x W / 8) - E
E = (8 x M) + 3.433
-1
= TAN
((E - 3.433) / C)
W = Width of Screen
A = Distance between lens center and screen center
B = Vertical distance between top of NEC ceiling mount and screen center
C = Horizontal throw distance between screen surface and projector lens
D = Vertical distance between projector base and screen bottom
E = Vertical distance between desk top level and screen center
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Units: Millimeters
M = 1.25 x W / 1.3
A = C / COSINE
B = (8 x M) + 142.2
C (Zoom Wide) = (53.2 x M) - 85.609
C (Zoom Telephoto) = C (Zoom Wide) x 1.3055
D = 25.4 x (3 x W / 8) - E
E = (8 x M) + 87.2
-1
= TAN
((E - 87.2) / C)
Page1
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Summary of Contents for NEC MultiSync MT1020
- Page 1 W = Width of Screen A = Distance between lens center and screen center B = Vertical distance between top of NEC ceiling mount and screen center C = Horizontal throw distance between screen surface and projector lens D = Vertical distance between projector base and screen bottom...
- Page 2 MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Ceiling Mount The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Ceiling Mount System...
- Page 3 MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Ceiling Mount The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Ceiling Mount System...
- Page 4 Visual Systems Division Technical Bulletin MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Desktop The following diagram shows the relationship between projector position and the screen. Desktop System Screen Center Desk Top Level Screen Bottom...
- Page 5 Visual Systems Division Technical Bulletin MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Desktop The following diagram shows the relationship between projector position and the screen. Desktop System Screen Center Desk Top Level Screen Bottom...
- Page 6 Visual Systems Division Technical Bulletin MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Cabinet Dimensions The following diagrams show the cabinet dimensions for the MultiSync MT820/MT1020. Dimensions are in Inches. For millimeters multiply by 25.4. 11.28" MultiSync MT 1020 11.22"...
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Page 7: Top View
Technical Bulletin MultiSync MT820/MT1020 Installation Data Desk Top and Ceiling Mount Ceiling Mount Dimensions The following diagrams show the ceiling mount dimensions for the MultiSync MT820/MT1020. Dimensions are inches. For millimeters multiply by 25.4. 66° TYP Ø .2" Ø 1.93"...