NEC VT480 Installation Manual
Ceiling mounted and desktop
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Also See for VT480:
- Installation manual (6 pages) ,
- User manual (77 pages) ,
- Command manual (60 pages)
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VT480/580 Installation Guide
Ceiling Mounted and Desktop
Contents
Product Description, Lens Specs, Notes and Formulas
Diagrams & Distance Charts
Cabinet Dimensions_____________
Ceiling Mount Dimensions
Input Panel and Control Codes
Product Description
Type:
3 panel LCD projector,
0.6" p-Si TFT w/MLA
Resolution:
VT480:
VT580
Dimensions:
12.1"(W) x 10.2"(H) x 4.4"(D)
Weight:
6.17 lbs
Lens Specifications
Throw Ratio:
1.5 – 1.8:1 (for 100" diagonal)
Offset Angle:
8.4° - 8.7° (for 100" diagonal)
Screen Sizes:
25" - 300" diagonal (4:3)
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 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)
Projection Formulas:
B = 0.266W
C (wide) = 1.525W – 1.176
C (tele) = 1.828W – 1.173
D = 0.108W
α (wide) = tan¯¹ (B/C(wide))
α (tele) = tan¯¹ (B/C(tele))
www.necvisualsystems.com
_________
800 x 600
1024x768
NEC Solutions (America), Inc.
Visual Systems Division
Pg 1
Pg 2
Pg 3-4
Pg 5
Pg 6
Brightness:
VT480:
2000 ANSI Lumens
VT580
2000 ANSI Lumens
Focal Length:
18.9mm – 22.7mm
F/#:
1.7 - 2.07
Manual Focus/Manual Zoom
4:3 Screen Formulas:
W = H x 4/3
H = W x 3/4
Screen Diagonal = W x 5/4
Rev 1.2
VT480/580
Page 1 of 6
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Table of Contents
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Summary of Contents for NEC VT480
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Page 1: Product Description
VT480/580 Installation Guide Ceiling Mounted and Desktop Contents Product Description, Lens Specs, Notes and Formulas Diagrams & Distance Charts Cabinet Dimensions_____________ Ceiling Mount Dimensions _________ Input Panel and Control Codes Product Description Type: 3 panel LCD projector, 0.6” p-Si TFT w/MLA... -
Page 2: Ceiling Mounted
VT480/580 Installation Guide Ceiling Mounted and Desktop 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. -
Page 3: Cabinet Dimensions
VT480/580 Installation Guide Ceiling Mounted and Desktop Cabinet Dimensions The following drawings show the cabinet dimensions. Dimensions are in inches. For millimeters multiply by 25.4. 4.45 2.26 www.necvisualsystems.com NEC Solutions (America), Inc. Visual Systems Division ON/STAND ADJ. AUTO SOURCE POWER... - Page 4 VT480/580 Installation Guide Ceiling Mounted and Desktop Cabinet Dimensions (continued) The following drawings show the cabinet dimensions. Dimensions are in inches. For millimeters multiply by 25.4. Intake Intake 4.40 4.76 www.necvisualsystems.com COMPUTER2 AUDIO COMPUTER1 AUDIO Rear Foot 7.32 0.63 Lens Center 0.75...
- Page 5 VT480/580 Installation Guide Ceiling Mounted and Desktop Optional Ceiling Mount Dimensions (Model #: VL80CM) The following drawings show the ceiling mount dimensions. Dimensions are in inches. For millimeters multiply by 25.4. www.necvisualsystems.com NEC Solutions (America), Inc. Visual Systems Division Rev 1.2 8.62...
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Page 6: Input Panel
Communications: Full duplex NOTE 1 : Pins 2, 3, 5, and 6 are used inside the projector. NOTE 2: For long cable runs it is recommended to set communication speed within the projector to 9600 bps. www.necvisualsystems.com VT480 / VT580...