NEC VT595 Bedienungsanleitung

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NEC Corporation of America

Visual Systems Division

VT490/590/595 Installation Guide

Ceiling Mounted and Desktop Rev 1.1

www.necvisualsystems.com VT490/590/595 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, Brightness: VT490: 2000 ANSI Lumens

0.6” p-Si TFT w/MLA VT590/VT595: 2000 ANSI Lumens

Resolution: VT490: 800 x 600

VT590/VT595: 1024x768

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) Focal Length: 18.9mm – 22.7mm

Offset Angle: 8.3° - 10.0° (for 100” diagonal) F/#: 1.7 - 2.07

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 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 4/3

H = Image Height (size) H = W x 3/4

B = Vertical distance between lens center and screen center Screen Diagonal = W x 5/4

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))

Produktspezifikationen