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NEC VT45 Installation Data
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NEC VT45 Installation Data

NEC VT45 Installation Data

Desktop and ceiling mount
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Download this manual See also: User Manual
VT45 Installation Data
Desktop and Ceiling Mount
Contents
Projection Distances and Screen Sizes
Ceiling Mount Dimensions

Product Description

Type:
3 panel, 0.7" p-Si TFT LCD projector
Native Resolution:
800 x 600
Brightness:
1000 ANSI Lumens

Lens Specifications

Throw Ratio:
Screen Sizes:
Distortion:
Chrom. Aberration:
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.
The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local
building codes.
•
All calculations are based on 4:3 aspect ratio.
•
Distances are in inches, for millimeters multiply by 25.4.
•
Distances may vary ±5%.
Formulas
Units: Inches (for millimeters multiply final number by 25.4)
D = Screen Diagonal (4:3)
H = D x 0.8
V = D x 0.6
C (Wide) = 1.8487H - 1.237
C (Tele) = 2.0349H - 1.298
1.82 - 2.01:1
Focal Length:
25"-300"
F/#:
0.7% TV Dist.
MTF(@40lp/mm Gr): Ctr>60% Crnr>50%
Max 8 micron
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Dimensions: 11.8"(W) x 3.5"(H) x 8.1"(D)
Weight:
5.6 lbs
Manual Lens Shift/Manual Zoom/Manual Focus
26.6mm - 29.3mm
2.0 - 2.2
H = Screen Width (4:3)
V = Screen Height (4:3)
C = Throw distance
Visual Systems
Rev 1.3
Page 1

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Summary of Contents for NEC VT45

  • Page 1: Table Of Contents

    If the figures on the tables do not match the results of formulas, use the figures in the table. The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local building codes.

  • Page 2: Ceiling Mount Installation

    Desktop and Ceiling Mount Projection Distance and Screen Size for Ceiling Mount 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: Desktop Setup

    VT45 Installation Data Desktop and Ceiling Mount Projection Distance and Screen Size for Desktop The following diagram shows the relationship between projector position and the screen. Distances are in inches. For millimeters multiply by 25.4. Desktop Setup Screen Ctr Distance Chart...

  • Page 4: Lens Shift Adjustable Range

    VT45 Installation Data Desktop and Ceiling Mount Normal Projection Position The normal projection position for the VT45 is with vertical lens shift approximately halfway between Zero Degree Projection Position and Maximum Vertical Offset Projection Position. See diagrams below. Lens Shift Adjustable Range...

  • Page 5: Cabinet Dimensions

    VT45 Installation Data Desktop and Ceiling Mount Cabinet Dimensions The following diagrams show the cabinet dimensions for the VT45. Dimensions are in inches. For millimeters multiply by 25.4. R0.866(AROUND) R0.866(AROUND) 11.772 AUDIO RGB OUT S-VIDEO L/MONO PC CONTROL VIDEO @...

  • Page 6: Bottom, Back And Left View

    VT45 Installation Data Desktop and Ceiling Mount Cabinet Dimensions (continued) The following diagrams show the cabinet dimensions for the VT45. Dimensions are in inches. For millimeters multiply by 25.4. M4,Depth 8mm (For Rear Foot& Ceiling Mount) 2-Ø0.551 10.039 2.205 7.835 1.909...

  • Page 7: Top, Front Left And Bottom View

    VT45 Installation Data Desktop and Ceiling Mount Optional Ceiling Mount Dimensions (Model #: VT45CM) The following diagrams show ceiling mount dimensions for the VT45. Dimensions are in inches. For millimeters multiply by 25.4. 10.960 Visual Systems Rev 1.3 Page 7...

  • Page 8: Pc Control Codes

    To RxD of PC To GND of PC NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector. Jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.

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