Visual Systems
VT45 Installation Data
Desktop and Ceiling Mount
Rev 1.3
Page
1
Contents
Product Description, Lens Specs, Notes and Formulas
Page 1
Projection Distances and Screen Sizes
Ceiling
Mount
Installation
Page 2
Desktop Setup
Page 3
Lens
Shift
Adjustable
Range
Page 4
Cabinet Dimensions
Top,
Front
and
Right
View Page 5
Bottom,
Back
and
Left
View
Page 6
Ceiling Mount Dimensions
Top, Front Left and Bottom View
Page 7
PC
Control
Codes Page 8
Product
Description
Type:
3 panel, 0.7” p-Si TFT LCD projector
Dimensions: 11.8”(W) x 3.5”(H) x 8.1”(D)
Native
Resolution: 800
x
600
Weight: 5.6
lbs
Brightness: 1000
ANSI
Lumens
Manual Lens Shift/Manual Zoom/Manual Focus
Lens
Specifications
Throw
Ratio:
1.82
-
2.01:1
Focal
Length:
26.6mm
–
29.3mm
Screen
Sizes:
25”-300”
F/#: 2.0
–
2.2
Distortion:
0.7% TV Dist.
MTF(@40lp/mm
Gr):
Ctr>60%
Crnr>50%
Chrom. Aberration: Max 8 micron
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
H
= Screen Width (4:3)
V
= D x 0.6
V
= Screen Height (4:3)
C
= Throw distance
C
(Wide) = 1.8487H – 1.237
C
(Tele) = 2.0349H – 1.298
