NEC NP905 - XGA LCD Projector Manuel utilisateur

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 1 of 6

Contents

Product Description, Lens Specs, Notes and Formulas Pg 1

Diagrams & Distance Charts Pg 2

Cabinet Dimensions Pg 3

Cabinet Dimensions cont Pg 4

Ceiling Mount Dimensions and Input Panel Pg 5

Control Codes Pg 6

Product Description

Type: 3 panel LCD projector, Brightness: 2000 ANSI Lumens

0.63”p-SiTFTw/MLA Dimensions: 12.2”(W) x 4.9”(H) x 11.4”(D)

Resolution: 1024x768 Weight: 8.16lbs

Fan Noise: 35 dB / 29dB @ 1 meter BTU’s: 1055 BTU/hour

Power Consumption: 310W (max)

Lens Specifications

Throw Ratio: 1.5 – 1.8:1 (for 100” diagonal) Focal Length: 18.89mm – 22.67mm

Offset Angle: 8.4° - 10.0° (for 100” diagonal) F/#: 1.70 - 2.07

Screen Sizes: 21” - 300” diagonal (4:3) Manual Focus/Manual Zoom

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.

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

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

•Distances may vary ±5%.

Formulas

The Projection Formulas use the image width for calculation. For proper projection placement, determine the image width

for the desired screen size. Use the Screen Formulas below to calculate all screen dimensions. Plug in the width for “W” in

the Projection Formulas.

Refer to the diagrams and charts for popular screen sizes on page 2:

Definitions: 4:3 Screen Formulas:

W = Image Width W = H x 4/3

H = Image Height (size) H = W x 3/4

B = Vertical distance between lens center and screen center Screen Diagonal = W x 5/4

C = Throw distance

D = Vertical distance between lens center and screen top

(screen bottom for desktop application)

Projection Formulas:

B= 0.258W

C(wide) = 1.4805W – 1.823

C(tele) = 1.7765W – 1.820

D= 0.118W

α(wide) = tan¯¹ (B/C(wide))

α(tele) = tan¯¹ (B/C(tele))

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 2 of 6

Diagrams and Distance Charts

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 Mounted

Lens Ctr

Screen Ctr

Throw Distance

Screen Bottom 2.85"

Throw Distance

Screen Top

5.63"

6.01"

Lens Offset From

Mount Pipe

3.74

Lens Ctr

Screen Ctr

Desktop

Distance Chart for popular 4:3 screens

Note: For screen sizes not indicated on the projection

Diagonal Width(W) Height (H)

inches inches inches inches

30 24 18 6 34 - 41 10.2 - 8.5

60 48 36 12 69 - 83 10.1 - 8.4

67 53.6 40.2 14 78 - 93 10.1 - 8.4

72 57.6 43.2 15 83 - 101 10.0 - 8.4

84 67.2 50.4 17 98 - 118 10.0 - 8.4

90 72 54 19 105 - 126 10.0 - 8.4

100 80 60 21 117 - 140 10.0 - 8.4

120 96 72 25 140 - 169 10.0 - 8.3

150 120 90 31 176 - 211 10.0 - 8.3

180 144 108 37 211 - 254 10.0 - 8.3

210 168 126 43 247 - 297 10.0 - 8.3

240 192 144 50 282 - 339 9.9 - 8.3

270 216 162 56 318 - 382 9.9 - 8.3

300 240 180 62 353 - 425 9.9 - 8.3

-20

-23

-25

-28

-9

-11

-14

-17

-6

-7

-8

Dα

w ide - tele

egrees

Screen Size (4:3)

-6

-3

w ide - tele

tables, use the formulas on page 1.

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 3 of 6

Cabinet Dimensions

The following drawings show the cabinet dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

1.98

2.81

12.19

11.38

11.42

2.85

4.92

5.24Lenscenter

Lenscenter

ventilation(exhaust)

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 4 of 6

Cabinet Dimensions (continued)

The following drawings show the cabinet dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

4 - M3 * 12 max

5.31

8.77

7.90

3.78

0.77

1.00 8.98

5.09

9.07

for Ceiling Mount

1.50

2.09

Lamp

security slot

Power Switch AC input

ventilation (intake) ventilation (intake)

security bar

Speaker (5W)

AUDIO IN AUDIO IN

AUDIO OUT PC CONTROL

MONITOR OUT

LAN

USB

S-VIDEO

L/MONO R

AUDIO IN

L/MONO R

AUDIO INVIDEO IN

COMPONENT 2 IN

COMPONENT 1 IN

HDMI IN

COMPUTER / COMPUTER /

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 5 of 6

Optional Ceiling Mount Dimensions (Model #: NP900CM)

The following drawings show the ceiling mount dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

Input Panel

AUDIO IN AUDIO IN

AUDIO OUT PC CONTROL

MONITOR OUT

LAN

USB

S-VIDEO

L/MONO R

AUDIO IN

L/MONO R

AUDIO IN

VIDEO IN

COMPONENT 2 IN

COMPONENT 1 IN

HDMI IN

COMPUTER / COMPUTER /

NEC Display Solutions of America, Inc.

NP905 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necdisplay.com NP905 Page 6 of 6

PC Control Codes

Function CodeData

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

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

INPUT SELECT COMPUTER 1 02H 03H 00H 00H 02H 01H 01H 09H

INPUT SELECT COMPUTER 2 02H 03H 00H 00H 02H 01H 02H 0AH

INPUT SELECT HDMI 02H 03H 00H 00H 02H 01H 1AH 22H

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 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 SCREEEN MUTE ON 02H 14H 00H 00H 00H 16H

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

ASPECT RATIO (4:3 Screen)

4:3 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H

LETTERBOX 03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H

WIDESCREEN 03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H

ZOOM 03H 10H 00H 00H 05H 18H 00H 00H 03H 00H 33H

ASPECT RATIO (16:9 Screen)

4:3 WINDOW 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H

LETTERBOX 03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H

WIDESCREEN 03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H

4:3 FILL 03H 10H 00H 00H 05H 18H 00H 00H 03H 00H 33H

ASPECT RATIO (RGB)

4:3 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H

16:9 03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H

5:4 03H 10H 00H 00H 05H 18H 00H 00H 0BH 00H 3BH

16:9 03H 10H 00H 00H 05H 18H 00H 00H 0CH 00H 3CH

15:9 03H 10H 00H 00H 05H 18H 00H 00H 0DH 00H 3DH

AUTO ADJUST 02H 0FH 00H 00H 02H 05H 00H 18H

Note: Contact your NEC rep for codes not listed.

Cable Connection

Communication Protocol:

Baud Rate: 38400 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

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

12345

67 8 9

To GND of PC

To RxD of PC

To TxD of PC

To CTS of PC

To RTS of PC

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

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