NEC VT45 Installation and user guide

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount

Rev 1.3

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

Lens Shift Adjustable Range Page 4

Cabinet Dimensions

Top, Front and Right View Page 5

Bottom, Back and Left View Page 6

Ceiling Mount Dimensions

Top, Front Left and Bottom View Page 7

PC Control Codes Page 8

Product Description

Type: 3 panel, 0.7” p-Si TFT LCD projector Dimensions: 11.8”(W) x 3.5”(H) x 8.1”(D)

Native Resolution: 800 x 600 Weight: 5.6 lbs

Brightness: 1000 ANSI Lumens Manual Lens Shift/Manual Zoom/Manual Focus

Lens Specifications

Throw Ratio: 1.82 - 2.01:1 Focal Length: 26.6mm – 29.3mm

Screen Sizes: 25”-300” F/#: 2.0 – 2.2

Distortion: 0.7%TVDist. MTF(@40lp/mm Gr): Ctr>60% Crnr>50%

Chrom.Aberration:Max8micron

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)

D = Screen Diagonal (4:3)

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

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

C= Throw distance

C(Wide) = 1.8487H – 1.237

C(Tele) = 2.0349H – 1.298

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount Rev 1.3

Page 2

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

Throw Distance

Vertical Offset

Screen Ctr

4.42"

5.78"

2.96" Lens Offset from

Mounting Pipe

Distance Chart

Diagonal Width (W) Height (V) wide - tele

25" 20" 15" 36 - 39"

40" 32" 24" 58" - 64"

60" 48" 36" 87" - 96"

67" 53.6" 40.2" 98" - 108"

72" 57.6" 43.2" 105" - 116"

84" 67.2" 50.4" 123" - 135"

90" 72" 54" 132" - 145"

100" 80" 60" 147" - 161"

120" 96" 72" 176" - 194"

150" 120" 90" 220" - 243"

180" 144" 108" 265" - 292"

210" 168" 126" 309" - 341"

240" 192" 144" 354" - 389"

270" 216" 162" 398" - 438"

300" 240" 180" 443" - 487"

Screen Size (4:3) Throw Distance

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

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount Rev 1.3

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

Vertical Offset

Screen Ctr

1.76"

Throw Distance

Distance Chart

Diagonal Width (W) Height (V) wide - tele

25" 20" 15" 36 - 39"

40" 32" 24" 58" - 64"

60" 48" 36" 87" - 96"

67" 53.6" 40.2" 98" - 108"

72" 57.6" 43.2" 105" - 116"

84" 67.2" 50.4" 123" - 135"

90" 72" 54" 132" - 145"

100" 80" 60" 147" - 161"

120" 96" 72" 176" - 194"

150" 120" 90" 220" - 243"

180" 144" 108" 265" - 292"

210" 168" 126" 309" - 341"

240" 192" 144" 354" - 389"

270" 216" 162" 398" - 438"

300" 240" 180" 443" - 487"

Screen Size (4:3) Throw Distance

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

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount Rev 1.3

Page 4

Normal Projection Position

The normal projection position for the VT45 is with vertical lens

shift approximately halfway between Zero Degree Projection

Position and Maximum Vertical Offset Projection Position.

See diagrams below.

Lens Shift Adjustable Range

Normal Position

Desktop/Front

Vertical

0.25V

Normal Position

Ceiling/Front

Vertical

0.25V

Horizontal

Normal Position

0.33H

Lens Shift Range for Desktop and Ceiling

Mount Application

The diagrams below show the location of the image position in

the lens. The lens can be shifted within the shaded area as

shown using the normal projection position as a starting point.

Note: Maximum range in certain directions might not be

obtainable due to the rounded off area near the edge of lens.

See diagrams below.

Desktop

Maximum Possible Range

Up: 0.25V Left: 0.33H

Down: 0.25V Right: 0.33H

(H: width of image, V: height of image)

0.33H0.33H

0.25V

Normal Projection Position

Max. Offset Projection Position

Zero Degree Projection Position

Adjustable Range

Ceiling Mount

Maximum Possible Range

Up: 0.25V Left: 0.33H

Down: 0.25V Right: 0.33H

(H: width of image, V: height of image)

0.33H 0.33H

0.25V

Max. Offset Projection Position

Normal Projection Position

Zero Degree Projection Position

Adjustable Range

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount

11.772

8.150

3.150

3.543

3.346

0.197

0.945

4.606

0.181 0.181

3.071

1.5590.213

Ø 1.850

R0.866(AROUND)

Rev 1.3

Page 5

Cabinet Dimensions

The following diagrams show the cabinet dimensions for the VT45.

Dimensions are in inches. For millimeters multiply by 25.4.

AC IN`

ENTER

CANCEL

-SELECT

SOURCEAUTOADJUST

STATUS

POWER

ON/STANDBY

PC CONTROL

VIDEO@

AUDIO

R IN

OUT

S-VIDEO

L/MONO

RGB OUT

RGB IN

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount

10.039

1.909

7.835

2.4214.941

M4,Depth 8mm

(For Rear Foot&

Ceiling Mount)

M4,Depth 8mm

(For Ceiling Mount)

M4,Depth 8mm

(For Rear Foot&

Ceiling Mount)

2.835

2.933

0.472

0.787

2-Ø0.551 2.205

Rev 1.3

Page 6

Cabinet Dimensions (continued)

The following diagrams show the cabinet dimensions for the VT45.

Dimensions are in inches. For millimeters multiply by 25.4.

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount

4.218

10.960

5.825

Rev 1.3

Page 7

Optional Ceiling Mount Dimensions (Model #: VT45CM)

The following diagrams show ceiling mount dimensions for the VT45.

Dimensions are in inches. For millimeters multiply by 25.4.

Visual Systems

VT45 Installation Data

Desktop and Ceiling Mount Rev 1.3

Page 8

PC Control Codes

Function Code Data

POWERON 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 (for cable lengths longer than 20’, it is recommended changing to 9600 bps in setup menu)

Data Length: 8 bits

Parity: No Parity

Stop Bit: One bit

X on/off: None

Communications: Full duplex

PC Control Connector (D-Sub 9P)

To RxD of PC

345

678

To TxD of PC

To GND of PC

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

Jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.

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