Nec Np P401W Installation And Setup Guide Visual Systems

NP-P401W, NP-P451W - Installation Guide NP-P401W, NP-P451W - Installation Guide

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NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

Contents
Product Description, Lens Specs, Notes and Formulas
Diagrams & Distance Charts
Cabinet Dimensions
Ceiling Mount Dimensions
Input Panel and Control Codes

Pg 1
Pg 2
Pg 3-4
Pg 5
Pg 6

Product Description
Type:

3 panel LCD projector,
0.59” p-Si TFT w/MLA
1280 x 800
P401W: 36 dB / 29dB @ 1 meter
P451W: 37 dB / 30dB @ 1 meter

Resolution:
Fan Noise:

Power Consumption: P401W : 325W (max)
P451W : 357W (max)

Dimensions: 15.7” (W) x 4.5” (H) x 11.1” (D)
Weight:
8.6 lbs
Brightness:

P401W: 4000 Lumens
P451W : 4500 Lumens

BTU’s:

P401W : 1109 BTU/hour
P451W : 1218 BTU/hour

Lens Specifications
Throw Ratio:
Offset Angle:

1.3 – 2.2:1 (for 100” diagonal)
4.8° - 8.0° (for 100” diagonal)

Focal Length:
F/#:

17.4mm – 29.0mm
1.7 - 2.0

Screen Sizes:

25” - 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:
W = Image Width
H = Image Height (size)
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and screen top
(screen bottom for desktop application)

4:3 Screen Formulas:
W = H x 16/10
H = W x 10/16
Screen Diagonal = W x 18.868/16

Projection Formulas:
B = 0.188W
C (wide) = 1.36W – 1.68
C (tele) = 2.26W – 1.68
D = -0.125W
α (wide) = tanˉ¹ (B/C(wide))
α (tele) = tanˉ¹ (B/C(tele))
www.necdisplay.com

P401W/P451W

Page 1 of 6

NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

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

C
Throw Distance
6.22

Screen Top
D
Lens Ctr
B

L e n s Offset From
Mo u nt Pipe

Screen Ctr

Desktop

C
Throw Distance

Screen Ctr
B

Lens Ctr
D
Screen Bottom

3.05"

Distance Chart for popular 16:10 screens

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

www.necdisplay.com

Screen Size (16:10)

B

Diagonal Width(W) Height (H)
inches
inches
inches
57
48
30

inches
9

C
w ide - tele
inches
64
- 107

D
inches
-6

α
w ide - tele
degrees
8.1 4.8

66

56

35

11

74

-

125

-7

8.0

-

4.8

68

58

36

11

77

-

128

-7

8.0

-

4.8

75

64

40

12

85

-

143

-8

8.0

-

4.8

79

67

42

13

90

-

150

-8

8.0

-

4.8

85

72

45

14

96

-

161

-9

8.0

-

4.8

92

78

49

15

105

-

176

-10

8.0

-

4.8

98

83

52

16

111

-

186

-10

8.0

-

4.8

102

86

54

16

116

-

194

-11

8.0

-

4.8

111

94

59

18

127

-

212

-12

8.0

-

4.8

113

96

60

18

129

-

215

-12

8.0

-

4.8

123

104

65

20

140

-

233

-13

8.0

-

4.8

125

106

66

20

142

-

237

-13

8.0

-

4.8

147

125

78

23

168

-

280

-16

7.9

-

4.8

149

126

79

24

170

-

284

-16

7.9

-

4.8

213

181

113

34

244

-

407

-23

7.9

-

4.8

255

216

135

41

292

-

486

-27

7.9

-

4.8

P401W/P451W

Page 2 of 6

NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

Cabinet Dimensions
The following drawings show the cabinet dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.

11.09

15.68

Lamp

Lens Shift

Zoom Lever

Intake Filter

Focus Lever

5.28

5.03

Lens Cover

3.05

Exhaust

2.65
1.25

www.necdisplay.com

6.50

6.73

1.20

P401W/P451W

Page 3 of 6

NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

Cabinet Dimensions (continued)
The following drawings show the cabinet dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.
Requires (4) M4x8mm screws for mount attachment.

3.67
6.90

0.21

1.05

0.80

8.78

5.13

0.79

4.13

1.25

1.32

IR Receiver

www.necdisplay.com

P401W/P451W

Page 4 of 6

NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

Optional Ceiling Mount Dimensions (Model #: MP300CM)
The following drawings show the ceiling mount dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.

www.necdisplay.com

P401W/P451W

Page 5 of 6

NEC Display Solutions of America, Inc.

P401W/P451W Installation Guide
Ceiling Mounted and Desktop

Rev 1.0

Input / Output Panel

PC Control Codes
Function
POWER ON
POWER OFF
INPUT SELECT COMPUTER1
INPUT SELECT HDMI1
INPUT SELECT HDMI2
INPUT SELECT VIDEO
INPUT SELECT S-VIDEO
INPUT SELECT VIEWER
INPUT SELECT NETWORK
INPUT SELECT USB DISPLAY
PICTURE MUTE ON
PICTURE MUTE OFF
SOUND MUTE ON
SOUND MUTE OFF
PROJECTOR INFORMATION REQUEST
ERROR STATUS REQUEST
INFORMATION REQUEST

Code Data
02H
00H
02H
01H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
10H
02H
11H
02H
12H
02H
13H
00H
BFH
00H
88H
03H
8AH

00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H

00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H

00H
00H
02H
02H
02H
02H
02H
02H
02H
02H
00H
00H
00H
00H
01H
00H
00H

02H
03H
01H
01H
01H
01H
01H
01H
01H
01H
12H
13H
14H
15H
02H
88H
8DH

01H
1AH
1BH
06H
0BH
1FH
20H
22H

09H
22H
23H
0EH
13H
27H
28H
2AH

C2H

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)

To TxD of PC
To RxD of PC
To GND of PC

1

2
6 7

3

4
8

5
9
To RTS of PC
To CTS of PC

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.

www.necdisplay.com

P401W/P451W

Page 6 of 6



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Title                           : Visual Systems
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