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1020THRO
Installation Data
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NEC MultiSync MT1020, MultiSync MT820, 1020THRO, LCDMT1020 Installation Data

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Page 1
Visual Systems Division Technical Bulletin
MultiSync MT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Contents
Ceiling Mount (Lens Wide) Page 2 Ceiling Mount (Lens Telephoto) Page 3 Desktop Setup (Lens Wide) Page 4
Desktop Setup (Lens Telephoto) Page 5 Cabinet Dimensions Page 6 Ceiling Mount Dimensions Page 7
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 Units: Millimeters
M = 1.25 x W / 33.02 M = 1.25 x W / 1.3 A = C / COSINE α A = C / COSINE α B = (8 x M) + 5.598 B = (8 x M) + 142.2 C (Zoom Wide) = (53.2 x M) - 3.37 C (Zoom Wide) = (53.2 x M) - 85.609 C (Zoom Telephoto) = C (Zoom Wide) x 1.3055 C (Zoom Telephoto) = C (Zoom Wide) x 1.3055 D = (3 x W / 8) - E D = 25.4 x (3 x W / 8) - E E = (8 x M) + 3.433 E = (8 x M) + 87.2
αα = TAN -1 ((E - 3.433) / C) αα = TAN -1 ((E - 87.2) / 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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Visual Systems Division
MultiSync MT
Technical Bulletin
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
6.93"C
D
α
Horizontal
Lens
Offset
4.38"
1020
Screen Center
B
A
Zoom Lens (Wide)
α degree 8.86 8.81 8.77 8.75 8.73 8.70 8.67 8.65 8.64 8.63 8.62 8.61
β
α) 0.1539 0.1531 0.1525 0.1521 0.1518 0.1513 0.1508 0.1504 0.1503 0.1500 0.1499 0.1497
(=sin
γ
(=cosα)
Screen Width inch 48 56 64 72 80 96 120 144 160 192 216 240
Diagonal (4:3) inch 60 70 80 90 100 120 150 180 200 240 270 300
A inch 94.4 110.8 127.1 143.4 159.6 192.1 241.1 289.9 322.5 387.7 436.5 485.4
0.9881 0.9882 0.9883 0.9884 0.9884 0.9885 0.9886 0.9886 0.9886 0.9887 0.9887 0.9887
mm 2398.6 2813.2 3227.8 3642.4 4053.0 4880.2 6123.0 7362.8 8191.0 9846.4 11086.2 12329.0
B inch 20.1 22.6 25.0 27.4 29.8 34.7 41.9 49.2 54.1 63.7 71.0 78.3
mm 511.4 573.0 634.5 696.0 757.6 880.7 1065.3 1249.9 1373.0 1619.1 1803.7 1988.4
C inch 93.3 109.4 125.6 141.7 157.7 189.9 238.3 286.6 318.8 383.3 431.5 479.9
mm 2370 2780 3190 3600 4006 4824 6053 7279 8098 9735 10961 12190
D inch 0.0 0.6 1.2 1.7 2.3 3.5 5.2 6.9 8.1 10.4 12.1 13.8
mm 0.5 15.1 29.7 44.3 59.0 88.2 132.0 175.9 205.1 263.6 307.4 351.3
Note:
For screen sizes of 60 to 300 inches not indicated on the projection tables, use the formulas on page 1. All calculations are with the lens (Wide setting).
Page2
Page 3
Visual Systems Division
MultiSync MT
Technical Bulletin
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
6.93"C
D
α
Horizontal
Lens
Offset
4.38"
1020
Screen Center
B
A
Zoom Lens (Telephoto)
α degree 6.78 6.75 6.73 6.72 6.71 6.69 6.67 6.66 6.65 6.64 6.64 6.63
β
α) 0.1181 0.1176 0.1172 0.1170 0.1168 0.1165 0.1162 0.1160 0.1159 0.1157 0.1156 0.1155
(=sin
γ
(=cosα)
Screen Width inch 48 56 64 72 80 96 120 144 160 192 216 240
Diagonal (4:3) inch 60 70 80 90 100 120 150 180 200 240 270 300
A inch 123.1 144.2 165.3 186.3 207.4 249.6 312.8 376.1 418.2 502.5 565.8 629.1
0.9930 0.9931 0.9931 0.9931 0.9932 0.9932 0.9932 0.9933 0.9933 0.9933 0.9933 0.9933
mm 3126.9 3663.4 4199.0 4732.5 5269.1 6339.2 7945.8 9552.4 10622.5 12764.7 14371.4 15979.0
B inch 20.1 22.6 25.0 27.4 29.8 34.7 41.9 49.2 54.1 63.7 71.0 78.3
mm 511.4 573.0 634.5 696.0 757.6 880.7 1065.3 1249.9 1373.0 1619.1 1803.7 1988.4
C inch 122.2 143.2 164.2 185.0 206.0 247.9 310.7 373.5 415.4 499.2 562.0 624.9
mm 3105 3638 4170 4700 5233 6296 7892 9488 10551 12679 14275 15872
D inch 0.0 0.6 1.2 1.7 2.3 3.5 5.2 6.9 8.1 10.4 12.1 13.8
mm 0.5 15.1 29.7 44.3 59.0 88.2 132.0 175.9 205.1 263.6 307.4 351.3
Note:
For screen sizes of 60 to 300 inches not indicated on the projection tables, use the formulas on page 1. All calculations are with the lens (Telephoto setting)
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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
C
Screen Center
A
ED
α
Desk Top Level
Screen Bottom
Zoom Lens (Wide)
α degree 8.86 8.81 8.77 8.75 8.73 8.70 8.67 8.65 8.64 8.63 8.62 8.61
β
α) 0.1539 0.1531 0.1525 0.1521 0.1518 0.1513 0.1508 0.1504 0.1503 0.15 0.1499 0.1497
(=sin
γ
(=cosα)
Screen Width inch 48 56 64 72 80 96 120 144 160 192 216 240
Diagonal (4:3) inch 60 70 80 90 100 120 150 180 200 240 270 300
A inch 94.4 110.8 127.1 143.4 159.6 192.1 241.1 289.9 322.5 387.7 436.5 485.4
C inch 93.3 109.4 125.6 141.7 157.7 189.9 238.3 286.6 318.8 383.3 431.5 479.9
D inch 0.0 0.6 1.2 1.7 2.3 3.5 5.2 6.9 8.1 10.4 12.1 13.8
E inch 18.0 20.4 22.8 25.2 27.7 32.5 39.8 47.0 51.9 61.6 68.8 76.1
0.9881 0.9882 0.9883 0.9884 0.9884 0.9885 0.9886 0.9886 0.9886 0.9887 0.9887 0.9887
mm 2398.6 2813.2 3227.8 3642.4 4053.0 4880.2 6123.0 7362.8 8191.0 9846.4 11086.2 12329.0
mm 2370 2780 3190 3600 4006 4824 6053 7279 8098 9735 10961 12190
mm 0.5 15.1 29.7 44.3 59.0 88.2 132.0 175.9 205.1 263.6 307.4 351.3
mm 456.4 518.0 579.5 641.0 702.6 825.7 1010.3 1194.9 1318.0 1564.1 1748.7 1933.4
Note:
For screen sizes of 60 to 300 inches not indicated on the projection tables, use the formulas on page 1. All calculations are with the lens (Wide setting).
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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
C
Screen Center
A
ED
α
Desk Top Level
Screen Bottom
Zoom Lens (Telephoto)
α degree 6.78 6.75 6.73 6.72 6.71 6.69 6.67 6.66 6.65 6.64 6.64 6.63
β
α) 0.1181 0.1176 0.1172 0.1170 0.1168 0.1165 0.1162 0.1160 0.1159 0.1157 0.1156 0.1155
(=sin
γ
(=cosα)
Screen Width inch 48 56 64 72 80 96 120 144 160 192 216 240
Diagonal (4:3) inch 60 70 80 90 100 120 150 180 200 240 270 300
A inch 123.1 144.2 165.3 186.3 207.4 249.6 312.8 376.1 418.2 502.5 565.8 629.1
C inch 122.2 143.2 164.2 185.0 206.0 247.9 310.7 373.5 415.4 499.2 562.0 624.9
D inch 0.0 0.6 1.2 1.7 2.3 3.5 5.2 6.9 8.1 10.4 12.1 13.8
E inch 18.0 20.4 22.8 25.2 27.7 32.5 39.8 47.0 51.9 61.6 68.8 76.1
0.9930 0.9931 0.9931 0.9931 0.9932 0.9932 0.9932 0.9933 0.9933 0.9933 0.9933 0.9933
mm 3126.9 3663.4 4199.0 4732.5 5269.1 6339.2 7945.8 9552.4 10622.5 12764.7 14371.4 15979.0
mm 3105 3638 4170 4700 5233 6296 7892 9488 10551 12679 14275 15872
mm 0.5 15.1 29.7 44.3 59.0 88.2 132.0 175.9 205.1 263.6 307.4 351.3
mm 456.4 518.0 579.5 641.0 702.6 825.7 1010.3 1194.9 1318.0 1564.1 1748.7 1933.4
Note:
For screen sizes of 60 to 300 inches not indicated on the projection tables, use the formulas on page 1. All calculations are with the lens (Telephoto).
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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.
0.2"
11.28"
PC
DC12V/400mA
REMOTE CONTROL
CONTROL
OUT PUT
INPUT OUTPUT
VIDEO INPUT
AUDIO INPUT
- +
AUDIO OUT
R
RGB MONITOR OUT
AUDIO
5.71"
0.39"
MultiSync MT 1020
0.35"
3.43"
S-VIDEO INPUT
RGB INPUT 1 AUDIO
RGB INPUT 2
L/MONO R
L/MONO
1.73"
10.5°
15.35"
0.08"
1.42"
11.22"
8.94" 0.71"
1.1"
4.72" 2.76"
9.92"
12.68"
FOCUS
ZOOM
ADJUST
+
-+-+-
STATUS
MENU
ENTER
SELECT
PUSH ON/OFF
POWER
Ø 1.38"
1.38"7.09"
1.46"
10.31"
11.93"
2.11"
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Visual Systems Division 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.
8.21"
7.59"
0.5"
Ø .2"
Ø 1.93"
Ø 3.66"
0.5"
3.73"
4.88"
7.39"
66° TYP
10.42"
33° TYP
10.82'
11.32"
24° TYP
Ø .38 TYP
6.60"
6.26"
4.65"
2.49"
1.88"
Top View
Front View
2.5"
5° UP 15° DOWN
Side View
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