NEC MultiSync MT1020 Guide d'installation et d'utilisation
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page1
Contents
Notes and Formulas Page 1
Projection Distances and Screen Sizes
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 αA= 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
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page2
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
Zoom Lens (Wide)
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).
αdegree 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 (=sinα) 0.1539 0.1531 0.1525 0.1521 0.1518 0.1513 0.1508 0.1504 0.1503 0.1500 0.1499 0.1497
γ (=cosα)0.9881 0.9882 0.9883 0.9884 0.9884 0.9885 0.9886 0.9886 0.9886 0.9887 0.9887 0.9887
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
Ainch 94.4 110.8 127.1 143.4 159.6 192.1 241.1 289.9 322.5 387.7 436.5 485.4
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
Binch 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
Cinch 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
Dinch 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
α
B
6.93"C
D
A
Screen Center
4.38"
Horizontal
Lens
Offset
MultiSync MT
1020
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page3
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
Zoom Lens (Telephoto)
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)
αdegree 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 (=sinα) 0.1181 0.1176 0.1172 0.1170 0.1168 0.1165 0.1162 0.1160 0.1159 0.1157 0.1156 0.1155
γ (=cosα)0.9930 0.9931 0.9931 0.9931 0.9932 0.9932 0.9932 0.9933 0.9933 0.9933 0.9933 0.9933
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
Ainch 123.1 144.2 165.3 186.3 207.4 249.6 312.8 376.1 418.2 502.5 565.8 629.1
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
Binch 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
Cinch 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
Dinch 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
α
B
6.93"C
D
A
Screen Center
4.38"
Horizontal
Lens
Offset
MultiSync MT
1020
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page4
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Desktop System
Zoom Lens (Wide)
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).
α
ED
C
A
Screen Center
Desk Top Level
Screen Bottom
αdegree 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 (=sinα) 0.1539 0.1531 0.1525 0.1521 0.1518 0.1513 0.1508 0.1504 0.1503 0.15 0.1499 0.1497
γ (=cosα)0.9881 0.9882 0.9883 0.9884 0.9884 0.9885 0.9886 0.9886 0.9886 0.9887 0.9887 0.9887
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
Ainch 94.4 110.8 127.1 143.4 159.6 192.1 241.1 289.9 322.5 387.7 436.5 485.4
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
Cinch 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
Dinch 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
Einch 18.0 20.4 22.8 25.2 27.7 32.5 39.8 47.0 51.9 61.6 68.8 76.1
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
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page5
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Desktop System
Zoom Lens (Telephoto)
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).
α
ED
C
A
Screen Center
Desk Top Level
Screen Bottom
αdegree 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 (=sinα) 0.1181 0.1176 0.1172 0.1170 0.1168 0.1165 0.1162 0.1160 0.1159 0.1157 0.1156 0.1155
γ (=cosα)0.9930 0.9931 0.9931 0.9931 0.9932 0.9932 0.9932 0.9933 0.9933 0.9933 0.9933 0.9933
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
Ainch 123.1 144.2 165.3 186.3 207.4 249.6 312.8 376.1 418.2 502.5 565.8 629.1
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
Cinch 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
Dinch 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
Einch 18.0 20.4 22.8 25.2 27.7 32.5 39.8 47.0 51.9 61.6 68.8 76.1
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
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page6
Cabinet Dimensions
The following diagrams show the cabinet dimensions for the MultiSync MT820/MT1020.
Dimensions are in Inches. For millimeters multiply by 25.4.
12.68"
2.11" 11.93"
8.94" 0.71"
9.92"
10.31"
4.72" 2.76"
1.38"7.09"
1.46"
1.1"
+
-
+
-
+-
FOCUS
ZOOM
ADJUST
ENTER
SELECT
MENU
PUSH ON/OFF
POWER STATUS
11.22"
1.42"
15.35"
0.08"
REMOTE CONTROL
INPUT OUTPUT
PC
CONTROL DC12V/400mA
OUT PUT
VIDEOINPUT
L/MONO R
AUDIOINPUT
S-VIDEOINPUT AUDIOOUT
RGB
MONITOROUT
RGBINPUT 1 AUDIO
AUDIO
- +
L/MONO R
RGBINPUT 2
5.71"
0.39"
3.43"
11.28"
0.35"
10.5°
1.73"
0.2"
MultiSync MT 1020
Ø 1.38"
Visual Systems Division
Technical Bulletin
MultiSyncMT820/MT1020 Installation Data
Desk Top and Ceiling Mount
Page7
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.
11.32"
10.82'
10.42"
7.39"
4.88"
3.73"
0.5"
4.65"
6.26"6.60"
1.88"
2.49"
24° TYP
66° TYP
33° TYP
Ø .2"
Ø 1.93"
Ø 3.66"
8.21"
7.59"
0.5"
Top View
2.5" 5° UP
15° DOWN
Side View
Front View
Ø .38 TYP
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