NEC
V
s
Solutions
(America),
Inc.
isual System
v4.0
GT950 Installation Guide
Desktop and Ceiling Mounted
Std Lens:
C
(Wide) = 1.9833H – 1.949 ------
C
(Tele) = C(Wide) x 1.2
H
= Screen Diagonal x 4/5
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Page 1 of 9
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
Left
Side
Page 5
Bottom,
Back
and
Right
Side
Page 6
Ceiling Mount Dimensions
Top,
Front
and
Right
Side Page 7
Bottom,
Back
and
Left
Side
Page 8
Control Codes
Page 9
Product Description
Type:
3 panel LCD projector, 0.9” p-Si TFT w/MLA
Dimensions: 14.25”(W) x 6.62”(H) x 12.72”(D)
Native
Resolution: 1024
x
768 Weight: 15.9
lbs
Brightness: 2000
ANSI
Lumens
Power Lens Shift/Power Zoom/Power Focus
Lens Specifications
Standard Lens
Throw Ratio:
2.0 - 2.4:1(approx.)
Focal
Length:
36.7mm
–
44.0mm
Screen
Sizes:
25”-300”
F/#: 2.0
–
2.6
Optional Lens
GT35-9ZL
Throw Ratio:
3.4 - 5.1:1(approx.)
Focal
Length:
64.1
-
96.1mm
Screen
Sizes:
40”
-
300”
F/#: 2.5
-
3.2
Note:
This lens is not user changeable and must be installed by an authorized service center.
Notes
For screen sizes not indicated on the projection charts, use the formulas below.
If a value in a chart does not match the results of the formulas, use the values in the chart.
The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local
building codes.
All formulas are based on a 4:3 aspect ratio and screen.
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)
Definitions: H
= Horizontal Screen Width (4:3)
V
= Vertical Screen Height (4:3)
C
= Throw distance
Projection Formulas:
Screen Formulas:
V
= Screen Diagonal x 3/5
Screen
Diagonal
= H x 5/4
Optional Lens
GT35-9ZL: C
(Wide) = 3.4596H – 3.996 ------
C
(Tele) = C(Wide) x1.5
Warning:
To avoid premature lamp failure, do not tilt the front of the GT950 up or down by more than 10
°
from level.
