NEC NP-M311W Manuel utilisateur
NEC Display Solutions of America, Inc.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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)
M311W 0.59” p-Si TFT w/MLA Weight: 6.6 lbs
Resolution: 1280x800
Fan Noise: M311W: 35 dB / 28dB @ 1 meter Brightness: M311W - 3100 Lumens
Power Consumption: M311W: 311W (max) BTU’s: M311W – 1061.18 BTU/hour
Lens Specifications
Throw Ratio: 1.3 – 2.2:1 (for 100” diagonal) Focal Length: 17.5mm – 29.0mm
Offset Angle: M311W: 6.6° - 10.9° (for 100” diagonal) F/#: 1.7 - 2.1
Screen Sizes: 25” - 300” diagonal (16:10) 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: 16:10ScreenFormulas:
W = Image Width W = H x 16/10
H = Image Height (size) H = W x 10/16
B = Vertical distance between lens center and screen center Screen Diagonal = W x 18.868/4
C = Throw distance
D = Vertical distance between lens center and screen top
(screen bottom for desktop application)
Projection Formulas:
B= 0.2578W
C(wide) = 1.361W – 1.68
C (tele) = 2.26W – 1.68
D= -0.055W
α(wide) = tan¯¹ (B/C(wide))
α(tele) = tan¯¹ (B/C(tele))
NEC Display Solutions of America, Inc.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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 16:10 screens
Note: For screen sizes not indicated on the projection
tables, use the formulas on page 1.
Lens Offset From
Mount Pipe
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
2.22"
C
Throw Distance Screen Top
4.56"
5.17"
D
B
Lens Ctr
Screen Ctr
D
2.79
Diagonal Width(W) Height (H)
inches inches inches inches
57 48 30 12 64 - 107 11.0 - 6.6
66 56 35 14 75 - 125 11.0 - 6.6
68 58 36 15 77 - 128 11.0 - 6.6
75 64 40 16 85 - 143 10.9 - 6.6
79 67 42 17 90 - 150 10.9 - 6.6
85 72 45 19 96 - 161 10.9 - 6.6
92 78 49 20 105 - 176 10.9 - 6.6
98 83 52 21 112 - 186 10.9 - 6.6
102 86 54 22 116 - 194 10.9 - 6.6
111 94 59 24 127 - 212 10.9 - 6.6
113 96 60 25 129 - 215 10.9 - 6.6
123 104 65 27 140 - 233 10.9 - 6.6
125 106 66 27 142 - 237 10.8 - 6.6
147 125 78 32 168 - 280 10.8 - 6.5
149 126 79 33 170 - 284 10.8 - 6.5
213 181 113 47 244 - 407 10.8 - 6.5
255 216 135 56 292 - 486 10.8 - 6.5
-7
-10
-12
-5
-5
-6
-6
-4
-4
-5
-5
-3
-3
-4
-4
-7
degrees
Dα
w ide - tele
Screen Size (16:10)
-3
inches
BC
w ide - tele
inches
NEC Display Solutions of America, Inc.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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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