NEC MultiSync MT1020 Installation and user guide

Visual Systems Division

Technical Bulletin

MultiSyncMT820/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

MultiSyncMT820/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

6.93"C

Screen Center

4.38"

Horizontal

Lens

Offset

MultiSync MT

1020

Visual Systems Division

Technical Bulletin

MultiSyncMT820/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

6.93"C

Screen Center

4.38"

Horizontal

Lens

Offset

MultiSync MT

1020

Visual Systems Division

Technical Bulletin

MultiSyncMT820/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).

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

MultiSyncMT820/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).

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

MultiSyncMT820/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

PUSH ON/OFF

POWER STATUS

11.22"

1.42"

15.35"

0.08"

REMOTE CONTROL

INPUT OUTPUT

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

MultiSyncMT820/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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