NEC LT154 - MultiSync UXGA DLP Projector Installations- und Benutzerhandbuch

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page1

Contents

Product Description, Lens Specs, Notes and Formulas Page 1

Projection Distances and Screen Sizes

CeilingMountInstallation Page 2

DesktopSetup Page 3

Cabinet Dimensions

Top, Front and Left Side Page 4

Bottom, Back and Right Side Page 5

Ceiling Mount Dimensions

Top, Front and Left Side Page 6

Bottom, Back and Right Side Page 7

PCControlCodes Page 8

Product Description

Type: LT154: 3 panel, 0.9” p-Si non-MLA LCD projector Native Resolution: 1024 x 768

LT155: 3 panel, 0.9” p-Si w/MLA LCD projector Dimensions: 8.2”(W) x 11.1”(D) x 2.8”(H)

LT156: 3 panel, 0.9” p-Si w/MLA LCD projector, w/DVI Input Weight: 4.9 lbs

Brightness: LT154: 900 ANSI Lumens

LT155/156: 1200 ANSI Lumens

LensSpecifications

Throw Ratio: 1.9-2.0:1(Wide) / 2.2-2.3:1(Tele) Focal Length: 36.5 – 42mm

Offset Angle: 9.0° (Wide) / 7.5° (Tele) F/#: 2.0 – 2.3

Screen Sizes: 25” – 300” Diagonal Focus Adjustment: Manual Focus / Manual Zoom

Notes

 For Screen Sizes of 25 to 300 inches 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)

D = Screen Diagonal (4:3)

H=Dx0.8 H= Screen Width (4:3)

V=Dx0.6 V= Screen Height (4:3)

M1.38889H M = Projection magnification

B=0.2165M B= Vertical distance between lens center and screen center

C(Wide) = 1.4483M – 2.165 C= Throw distance

C(Tele) = C (Wide) x 1.15

D=0.0535M D= Vertical distance between lens center and top of screen (bottom of screen

fordesktopapplication)

αα

α (wide) = tan-1 (B/C(wide)) α

αα

α= Throw angle

αα

α (tele) = tan-1 (B/C(tele))

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

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.

Distances are in inches. For millimeters multiply by 25.4.

Ceiling Mount Installation

Lens Ctr

Screen Ctr

Throw Distance

Lens Offset from

Screen Top

4.2"

5.7"

Mounting Pipe

1.6"

Distance Chart

Note:

For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.

BCD

αα

Diagonal Width Height wide - tele wide - tele

40" 32" 24" 10" 62" - 72" 2" 8.8° - 7.7°

60" 48" 36" 14" 94" - 109" 4" 8.7° - 7.6°

67" 53.6" 40.2" 16" 106" - 122" 4" 8.6° - 7.6°

72" 57.6" 43.2" 17" 114" - 131" 4" 8.6° - 7.5°

84" 67.2" 50.4" 20" 133" - 153" 5" 8.6° - 7.5°

90" 72" 54" 22" 143" - 164" 5" 8.6° - 7.5°

100" 80" 60" 24" 159" - 183" 6" 8.6° - 7.5°

120" 96" 72" 29" 191" - 220" 7" 8.6° - 7.5°

150" 120" 90" 36" 239" - 275" 9" 8.6° - 7.5°

180" 144" 108" 43" 288" - 331" 11" 8.6° - 7.5°

210" 168" 126" 51" 336" - 386" 12" 8.6° - 7.5°

240" 192" 144" 58" 384" - 442" 14" 8.6° - 7.4°

270" 216" 162" 65" 432" - ---- 16" 8.5° - ---

300" 240" 180" 72" 481" - ---- 18" 8.5° - ---

Screen Size

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page3

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

Lens Ctr

Screen Ctr Throw Distance

Screen Bottom 1.6"

Projector Foot

Distance Chart

Note:

For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.

BCD

αα

Diagonal Width Height wide - tele wide - tele

40" 32" 24" 10" 62" - 72" 2" 8.8° - 7.7°

60" 48" 36" 14" 94" - 109" 4" 8.7° - 7.6°

67" 53.6" 40.2" 16" 106" - 122" 4" 8.6° - 7.6°

72" 57.6" 43.2" 17" 114" - 131" 4" 8.6° - 7.5°

84" 67.2" 50.4" 20" 133" - 153" 5" 8.6° - 7.5°

90" 72" 54" 22" 143" - 164" 5" 8.6° - 7.5°

100" 80" 60" 24" 159" - 183" 6" 8.6° - 7.5°

120" 96" 72" 29" 191" - 220" 7" 8.6° - 7.5°

150" 120" 90" 36" 239" - 275" 9" 8.6° - 7.5°

180" 144" 108" 43" 288" - 331" 11" 8.6° - 7.5°

210" 168" 126" 51" 336" - 386" 12" 8.6° - 7.5°

240" 192" 144" 58" 384" - 442" 14" 8.6° - 7.4°

270" 216" 162" 65" 432" - ---- 16" 8.5° - ---

300" 240" 180" 72" 481" - ---- 18" 8.5° - ---

Screen Size

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page4

Cabinet Dimensions

The following diagrams show the cabinet dimensions for the LT154/155/156.

Dimensions are in inches. For millimeters multiply by 25.4.

10.47

0.669

0.197

1.10

R1.10

8.15

2.49

1.59

1.10

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page5

Cabinet Dimensions (continued)

The following diagrams show the cabinet dimensions for the LT154/155/156.

Dimensions are in inches. For millimeters multiply by 25.4.

M4*8

R 5.20

Ø 2.17

0.551

2.76

0.945

3.44

4.07

4.49

7.64

2.99

4.09

4.83

9.07

9.86

4.83

0.689

4.06 0.098

2.68

0.14

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page6

Ceiling Mount Dimensions (Model #: LT55CM)

The following diagrams show ceiling mount dimensions for the LT154/155/156.

Dimensions are in inches. For millimeters multiply by 25.4.

2.6900

2.8050

9.2726

8.6500

4.3250

5.2726

Ø1.9000

2.8050

Front

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page7

Ceiling Mount Dimensions (Model #: LT55CM) (continued)

The following diagrams show ceiling mount dimensions for the LT154/155/156.

Dimensions are in inches. For millimeters multiply by 25.4.

8.6500

9.2726

2.8050

Front

Visual Systems

LT154/155/156 Installation Data

Desktop and Ceiling Mount Rev. 1.8

Page8

PC Control Codes

Function Code Data

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

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

INPUT SELECT DVI (Digital) 02H 03H 00H 00H 02H 01H 1AH 22H (LT156 ONLY)

INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H (DVI Analog for LT156)

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

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

INPUT SELECT PC CARD VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H

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

ON SCREEN MUTE ON 02H 14H 00H 00H 00H 16H

ON SCREEN MUTE OFF 02H 15H 00H 00H 00H 17H

Cable Connection

Communication Protocol:

Baud Rate: 38400 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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