NEC NP-M271X Manuel utilisateur

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X Page 1 of 6

Contents

Product Description, Lens Specs, Notes and Formulas Pg 1

Diagrams & Distance Charts Pg 2

Cabinet Dimensions Pg 3-4

Ceiling Mount Dimensions Pg 5

Input Panel and Control Codes Pg 6

Product Description

Type: 3 panel LCD projector, Dimensions: 13.4” (W) x 3.9” (H) x 10.2” (D)

M271X 0.63” p-Si TFT w/MLA Weight: 6.4 lbs

M311X: 0.63” p-SI TFT w/MLA

Resolution: 1024x768

Fan Noise: M271X: 33 dB / 26dB @ 1 meter Brightness: M271X - 2700 Lumens

M311X: 33 dB / 26dB @ 1 meter M311X - 3100 Lumens

Power Consumption: M271X: 248W (max) BTU’s: M271X - 846.21 BTU/hour

M311X : 248W (max) M311X - 846.21 BTU/hour

Lens Specifications

Throw Ratio: 1.3 – 2.2:1 (for 100” diagonal) Focal Length: 17.5mm – 29.0mm

Offset Angle: M311X: 6.6° - 10.9° (for 100” diagonal) F/#: 1.7 - 2.1

Screen Sizes: 30” - 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 a 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: 4:3ScreenFormulas:

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= 0.2578W

C(wide) = 1.366W – 1.77

C (tele) = 2.268W – 1.77

D= -0.117W

α(wide) = tan¯¹ (B/C(wide))

α(tele) = tan¯¹ (B/C(tele))

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X 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

Desktop

Distance Chart for popular 4:3 screens

Note: For screen sizes not indicated on the projection

tables, use the formulas on page 1.

Lens Offset From

Mount Pipe

Lens Ctr

Screen Ctr

Throw Distance

Screen Bottom

2.22"

Throw Distance Screen Top

4.56"

5.17"

Lens Ctr

Screen Ctr

2.79

Diagonal Width(W) Height (H)

inches inches inches inches

30 24 18 6 31 - 53 11.3 - 6.7

60 48 36 12 64 - 107 11.0 - 6.6

67 54 40.2 14 71 - 120 10.9 - 6.6

72 58 43.2 15 77 - 129 10.9 - 6.6

84 67 50.4 17 90 - 151 10.9 - 6.6

90 72 54 19 97 - 162 10.9 - 6.6

100 80 60 21 108 - 180 10.9 - 6.5

120 96 72 25 129 - 216 10.8 - 6.5

150 120 90 31 162 - 270 10.8 - 6.5

180 144 108 37 195 - 325 10.8 - 6.5

210 168 126 43 228 - 379 10.8 - 6.5

240 192 144 49 261 - 434 10.8 - 6.5

270 216 162 56 293 - 488 10.8 - 6.5

300 240 180 62 326 - 543 10.7 - 6.5

Screen Size (16:10)

-3

inches

w ide - tele

inches

-28

degrees

Dα

w ide - tele

-6

-7

-8

-9

-11

-14

-17

-20

-22

-25

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X Page 3 of 6

Cabinet Dimensions

The following drawings show the cabinet dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X Page 4 of 6

Cabinet Dimensions (continued)

The following drawings show the cabinet dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X Page 5 of 6

Optional Ceiling Mount Dimensions (Model #: M300CM)

The following drawings show the ceiling mount dimensions.

Dimensions are in inches. For millimeters multiply by 25.4.

NEC Display Solutions of America, Inc.

M271X/M311X Installation Guide

Ceiling Mounted and Desktop Rev 1.0

www.necdisplay.com M271X, M311X Page 6 of 6

Input / Output Panel

PC Control Codes

Function CodeData

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

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

INPUT SELECT COMPUTER1 02H 03H 00H 00H 02H 01H 01H 09H

INPUT SELECT COMPUTER21 02H 03H 00H 00H 02H 01H 02H 0AH

INPUTSELECTHDMI 02H 03H 00H 00H 02H 01H 1AH 22H

INPUTSELECTVIDEO 02H 03H 00H 00H 02H 01H 06H 0EH

INPUTSELECTS-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H

INPUTSELECTVIEWER 02H 03H 00H 00H 02H 01H 1FH 27H

INPUT SELECT NETWORK 02H 03H 00H 00H 02H 01H 20H 28H

INPUT SELECT USB DISPLAY 02H 03H 00H 00H 02H 01H 22H 2AH

PICTUREMUTEON 02H 10H 00H 00H 00H 12H

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

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

SOUNDMUTEOFF 02H 13H 00H 00H 00H 15H

PROJECTOR INFORMATION REQUEST 00H BFH 00H 00H 01H 02H C2H

ERROR STATUS REQUEST 00H 88H 00H 00H 00H 88H

INFORMATION REQUEST 03H 8AH 00H 00H 00H 8DH

Note: Contact your NEC rep for codes not listed.

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 (D-Sub 9P)

NOTE 1 : Pins 1, 4, 6, and 9 are used inside the projector.

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

NOTE 3: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection.

12345

67 8 9

To GND of PC

To RxD of PC

To TxD of PC

To CTS of PC

To RTS of PC

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