NEC NP-P401W Bedienungsanleitung
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W 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: 15.7” (W) x 4.5” (H) x 11.1” (D)
0.59” p-Si TFT w/MLA Weight: 8.6 lbs
Resolution: 1280 x 800
Fan Noise: P401W: 36 dB / 29dB @ 1 meter Brightness: P401W: 4000 Lumens
P451W: 37 dB / 30dB @ 1 meter P451W : 4500 Lumens
Power Consumption: P401W : 325W (max) BTU’s: P401W : 1109 BTU/hour
P451W : 357W (max) P451W : 1218 BTU/hour
Lens Specifications
Throw Ratio: 1.3 –2.2:1 (for 100” diagonal) Focal Length: 17.4mm –29.0mm
Offset Angle: 4.8° - 8.0° (for 100” diagonal) F/#: 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: 4:3 Screen Formulas:
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 18.868/16
C = Throw distance
D = Vertical distance between lens center and screen top
(screen bottom for desktop application)
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))
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W 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.
Diagonal Width(W) Height (H)
inches inches inches inches
57 48 30 964 -107 8.1 - 4.8
66 56 35 11 74 -125 8.0 - 4.8
68 58 36 11 77 -128 8.0 - 4.8
75 64 40 12 85 -143 8.0 - 4.8
79 67 42 13 90 -150 8.0 - 4.8
85 72 45 14 96 -161 8.0 - 4.8
92 78 49 15 105 -176 8.0 - 4.8
98 83 52 16 111 -186 8.0 - 4.8
102 86 54 16 116 -194 8.0 - 4.8
111 94 59 18 127 -212 8.0 - 4.8
113 96 60 18 129 -215 8.0 - 4.8
123 104 65 20 140 -233 8.0 - 4.8
125 106 66 20 142 -237 8.0 - 4.8
147 125 78 23 168 -280 7.9 - 4.8
149 126 79 24 170 -284 7.9 - 4.8
213 181 113 34 244 -407 7.9 - 4.8
255 216 135 41 292 -486 7.9 - 4.8
Screen Size (16:10)
-6
inches
B
C
wide - tele
inches
-16
degrees
D
α
wide - tele
-7
-7
-8
-8
-9
-10
-10
-11
-16
-23
-27
-12
-12
-13
-13
Lens Offset From
Mount Pipe
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
3.05"
C
Throw Distance Screen Top
D
B
Lens Ctr
Screen Ctr
D
6.22
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W Page 3 of 6
Cabinet Dimensions
The following drawings show the cabinet dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.
5.28
15.68
11.09
Lamp
Zoom Lever
Focus Lever
Lens Shift
Intake Filter
2.65
1.25 6.50 6.73 1.20
3.05
5.03
Exhaust Lens Cover
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W Page 4 of 6
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.
5.130.80 1.32
6.900.79 0.21
3.67 4.13
1.05 8.78 1.25
IR Receiver
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W Page 5 of 6
Optional Ceiling Mount Dimensions (Model #: MP300CM)
The following drawings show the ceiling mount dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.
NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W Page 6 of 6
Input / Output Panel
PC Control Codes
Function Code Data
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 HDMI1 02H 03H 00H 00H 02H 01H 1AH 22H
INPUT SELECT HDMI2 02H 03H 00H 00H 02H 01H 1BH 23H
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
INPUT SELECT NETWORK 02H 03H 00H 00H 02H 01H 20H 28H
INPUT SELECT USB DISPLAY 02H 03H 00H 00H 02H 01H 22H 2AH
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
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.
1 2 3 4 5
6 7 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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