NEC L102W Manuale utente
NEC Display Solutions of America, Inc.
L102W Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com L102W Page 1 of 5
Contents
Product Description, Lens Specs, Notes Pg 1
Formulas Pg 2
Diagrams & Distance Charts Pg 3
Cabinet Dimensions Pg 4
Cabinet Dimensions and Input Panel Pg 5
Product Description
Type: 1-chip DLP projector 0.45” DLP
Brightness: 1000 lumens
Resolution: 1280 x 800
Dimensions: 9.38”(W) x 2.05”(H) x 6.98”(D) Weight: 3.1 lbs
Power Consumption: 110W (max) BTU’s: 469 BTU/hour
Lens Specifications
Throw Ratio: 1.4 (for 100” diagonal) Focal Length: 13.92mm
Offset Angle: 13.8° (for 100” diagonal) F/#: 1.5
Screen Sizes: 17” - 100” diagonal (16:10) Manual Focus
Notes
For screen sizes not indicated on the projection tables, use the formulas on the following page.
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 16:10 aspect ratio.
Distances are in inches, for millimeters multiply by 25.4.
Distances may vary 5%.
NEC Display Solutions of America, Inc.
L102W Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com L102W Page 2 of 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 below for popular screen sizes:
Definitions: 16:10 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= 0.34W
C= 1.432W- 1.966
D= 0.033W
α= tanˉ¹ (B/C)
Distance Chart for popular 16:10 screens
.
Note: For screen sizes not indicated on the projection tables, use the formulas on above
Diagonal Width(W) Height (H)
inches inches inches inches
18 15 9 5
31 26 16 9
40 34 21 12
60 51 32 17
80 68 43 23
99 84 53 29
47
71
95
118
13.8
13.8
13.8
13.8
13.8
13.8
Screen Size (16:10)
0.5
inches
B
C
inches
20
2.8
35
degree
D
α
0.9
1.1
1.7
2.2
NEC Display Solutions of America, Inc.
L102W Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com L102W Page 3 of 5
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
B
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
1.08"
C
Throw Distance
Screen Top
D
B
Lens Ctr
Screen Ctr
D
C
NEC Display Solutions of America, Inc.
L102W Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com L102W Page 4 of 5
Cabinet Dimensions
The following drawings show the cabinet dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.
9.38
6.98
1.08
2.05
2.15
1.36
LENS CENTER
LENS COVER
AC INLET
AIR INTAKE
EXHAUST
FOCUS LEVER
1.35 8.03
NEC Display Solutions of America, Inc.
L102W Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com L102W Page 5 of 5
Cabinet Dimensions cont.
The following drawings show the ceiling mount dimensions.
Dimensions are in inches. For millimeters multiply by 25.4.
Input Panel
MOUNTING POINT
1/4" - 20 UNC
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2
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