NEC VT650 Guide d'installation et d'utilisation

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount

C(tele) = 2.2057H – 1.724 Screen Diagonal = H x 5/4

ver1.5

Page 1

Contents

Product Description, Lens Specs, Notes and Formulas Page 1

Projection Distances and Screen Sizes

Ceiling Mount Installation Page 2

DesktopSetup Page 3

Cabinet Dimensions

Top, Front and Right Side Page 4

Bottom, Back and Left Side Page 5

Ceiling Mount Dimensions Page 6

Control Codes Page 7

Product Description

Type: 3 panel, 0.9” p-Si TFT w/MLA LCD projector Dimensions: 9.57”(W) x 4.0”(H) x 11.2”(D)

Native Resolution: 1024 x 768 Weight: 8.8 lbs

Brightness: 1500 ANSI Lumens Manual Zoom/Manual Focus

Lens Specifications

Throw Ratio: 1.8 - 2.2:1(approx.) Focal Length: 33.5mm – 40.2mm

Offset Angle: 9.3 °-9.7 °(wide)/7.8 °-8.1 °(tele) F/#: 1.7 – 2.0

Screen Sizes: 25”-300”

Notes

 For screen sizes not indicated on the projection tables, use the formulas below.

 If the figures on the tables do not match the results of formulas, use the figures in the table.

 The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local

building codes.

• All calculations are based on 4:3 aspect ratio.

• Distances are in inches, for millimeters multiply by 25.4.

• Distances may vary ±5%.

Formulas

Units: Inches (for millimeters multiply final number by 25.4)

Definitions:

H= Horizontal Screen Width (4:3)

V= Vertical Screen Height (4:3)

B= Vertical distance between lens center and screen center

C= Throw distance

D= Vertical distance between lens center and screen top (screen bottom for desktop application)

α= Throw Angle

Projection Formulas: Screen Formulas (4:3):

B= 0.3007H H= Screen Diagonal x 4/5

C(wide) = 1.8381H – 1.724 V= Screen Diagonal x 3/5

D= 0.0743H

α(wide) = tan-1 (B/C(wide))

α(tele) = tan-1 (B/C(tele))

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount ver1.5

Page 2

Projection Distance and Screen Size for Ceiling Mount

The following shows the proper relative position of the projector and screen. Refer to the table for installation data.

Distances are in inches. For millimeters multiply by 25.4.

Ceiling Mount Installation

Screen Ctr

Screen Top

Lens Ctr

5.5"

Lens Offset from

Mount Pipe

Throw Distance

1.4"

5.9"

Distance Chart

Diagonal Width(H) Height (V)

inches inches inches inches inches

25 20 15 6.0 NA - 42.4 1.5 NA - 8.1

40 32 24 9.6 57.1 - 68.9 2.4 9.6 - 8.0

60 48 36 14.4 86.5 - 104.1 3.6 9.5 - 7.9

67 53.6 40.2 16.1 96.8 - 116.5 4.0 9.5 - 7.9

72 57.6 43.2 17.3 104.2 - 125.3 4.3 9.4 - 7.9

84 67.2 50.4 20.2 121.8 - 146.5 5.0 9.4 - 7.9

90 72 54 21.7 130.6 - 157.1 5.3 9.4 - 7.8

100 80 60 24.1 145.3 - 174.7 5.9 9.4 - 7.8

120 96 72 28.9 174.7 - 210.0 7.1 9.4 - 7.8

150 120 90 36.1 218.8 - 263.0 8.9 9.4 - 7.8

180 144 108 43.3 263.0 - 315.9 10.7 9.4 - 7.8

210 168 126 50.5 307.1 - 368.8 12.5 9.3 - 7.8

240 192 144 57.7 351.2 - 421.8 14.3 9.3 - 7.8

270 216 162 65.0 395.3 - NA 16.0 9.3 - NA

300 240 180 72.2 439.4 - NA 17.8 9.3 - NA

Screen Size (4:3)

wide - tele

inches

degrees

Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount ver1.5

Page 3

Projection Distance and Screen Size for Desktop

The following diagram shows the relationship between projector position and the screen.

Distances are in inches. For millimeters multiply by 25.4.

Desktop Setup

Screen Ctr

Scrn Bottom

Lens Ctr

Throw Distance

2.3"

Projector Feet

Distance Chart

Diagonal Width(H) Height (V)

inches inches inches inches inches

25 20 15 6.0 NA - 42.4 1.5 NA - 8.1

40 32 24 9.6 57.1 - 68.9 2.4 9.6 - 8.0

60 48 36 14.4 86.5 - 104.1 3.6 9.5 - 7.9

67 53.6 40.2 16.1 96.8 - 116.5 4.0 9.5 - 7.9

72 57.6 43.2 17.3 104.2 - 125.3 4.3 9.4 - 7.9

84 67.2 50.4 20.2 121.8 - 146.5 5.0 9.4 - 7.9

90 72 54 21.7 130.6 - 157.1 5.3 9.4 - 7.8

100 80 60 24.1 145.3 - 174.7 5.9 9.4 - 7.8

120 96 72 28.9 174.7 - 210.0 7.1 9.4 - 7.8

150 120 90 36.1 218.8 - 263.0 8.9 9.4 - 7.8

180 144 108 43.3 263.0 - 315.9 10.7 9.4 - 7.8

210 168 126 50.5 307.1 - 368.8 12.5 9.3 - 7.8

240 192 144 57.7 351.2 - 421.8 14.3 9.3 - 7.8

270 216 162 65.0 395.3 - NA 16.0 9.3 - NA

300 240 180 72.2 439.4 - NA 17.8 9.3 - NA

Screen Size (4:3)

wide - tele

inches

degrees

Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount

9.571 0.035

1.311

0.551

1.925

4.035

4.587

11.165

0.508

11.673

units: inches

ver1.5

Page 4

Cabinet Dimensions

The following diagrams show the cabinet dimensions for the VT650.

Dimensions are in inches. For millimeters multiply by 25.4.

£

VT650

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount

0.386

3.201 3.201

0.7878.788

7.244

0.236

3.811

7.480

7.402

units: inches

Mount

M4*10

Mount

M4*10

Mount

M4*10

Mount

M4*10

ver1.5

Page 5

Cabinet Dimensions (continued)

The following diagrams show the cabinet dimensions for the VT650.

Dimensions are in inches. For millimeters multiply by 25.4.

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount

3.0

TYP

1.94

∅

.41 TYP

.34 TYP

5° UP

15° DOWN

68°

34°

3.75

8.00

4.00

22°

units: inches

ver1.5

Page 6

Optional Ceiling Mount Dimensions (Model #: VT40CM)

The following diagrams show ceiling mount dimensions for the VT650.

Dimensions are in inches. For millimeters multiply by 25.4.

Visual Systems

VT650 Installation Data

Desktop and Ceiling Mount ver1.5

Page 7

PC Control Codes

Function Code Data

POWER ON 02H 00H 00H 00H 00H 02H

POWER OFF 02H 01H 00H 00H 00H 03H

INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H

INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH

INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H

PICTURE MUTE ON 02H 10H 00H 00H 00H 12H

PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H

SOUND MUTE ON 02H 12H 00H 00H 00H 14H

SOUND MUTE OFF 02H 13H 00H 00H 00H 15H

Cable Connection

Communication Protocol:

Baud Rate: 19200 bps

Data Length: 8 bits

Parity: No Parity

Stop Bit: One bit

X on/off: None

Communications: Full duplex

PC Control Connector (DIN-8P)

To RxD of PC

345

678

To TxD of PC

To GND of PC

NOTE 1: Pins 2, 3, 5, 6 and 8 are used inside the projector.

NOTE 2: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.

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