NEC Display Solutions of America, Inc.
M283X/M323X/M363X/M403X Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M283X, M323X, M362X, M403X 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: 1 Chip DLP Projector Dimensions: 14.5” (W) x 4.3” (H) x 11.5” (D)
0.55” DMD Weight: 8.0 lbs
Resolution: 1024 x 768
Fan Noise: M283X: 31dB / 27dB @ 1 meter Brightness: M283X: 2800 Lumens
M323X: 33dB / 27dB @ 1 meter M323X: 3200 Lumens
M363X/M403X : 39dB / 33dB @ 1 meter M363X: 3600 Lumens
M403X: 4000 Lumens
Power Consumption: M283X : 255W (max) BTU’s: M283X: 870 BTU/hour
M323X : 283W (max) M323X: 965 BTU/hour
M363X : 316W (max) M363X: 1078 BTU/hour
M403X : 338W (max) M403X: 1153 BTU/hour
Lens Specifications
Throw Ratio: 1.5 – 2.5:1 (for 100” diagonal) Focal Length: 17.09mm – 29.05mm
Offset Angle: 10.6° - 18.2° (for 100” diagonal) F/#: 2.4 - 3.1
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:
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)
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