Visual Systems
Rev 3.0
GT1150/2150 Installation Data
Desktop and Ceiling Mount
Definitions: H
= Horizontal Screen Width (4:3)
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
Side Page 5
Bottom,
Back
and
Left
Side
Page 6
Ceiling Mount Dimensions
Top,
Front
and
Left
Side
Page 7
Bottom,
Back
and
Right
Side
Page 8
PC
Control
Codes Page 9
Product
Description
Type:
3 panel, 1.3” p-Si TFT w/MLA LCD projector Dimensions: 16.5”(W) x 8.25”(H) x 19.45”(D)
Native
Resolution: GT1150:
1024
x
768
Weight: GT1150:
22.1
lbs
w/o
lens
GT2150:
1366
x
1024 GT2150:
28.3
lbs
w/o
lens
Brightness: GT1150:
3000
ANSI
Lumens
Power Lens Shift/Power Zoom/Power Focus
GT2150:
2500
ANSI
Lumens
Lens
Specifications
GT10RL
Throw
Ratio:
1.0:1(approx.)
Focal
Length:
27mm
Screen
Sizes:
40”-300”
F/#: 2.3
GT13ZL
Throw Ratio:
1.3 - 1.6:1(approx.)
Focal
Length:
34.5
-
42.5mm
Screen
Sizes:
40”
-
300”
F/#: 2.3
-
2.8
GT19ZL
Throw Ratio:
1.8 - 2.4:1(approx.) Focal
Length:
48.9
-
63.7mm
Screen
Sizes:
40”
-
300”
F/#: 2.0
-
2.5
GT24ZL
Throw Ratio:
2.4 - 3.4:1(approx.) Focal
Length:
64.0
–
92.8mm
Screen
Sizes:
60”
-
400”
F/#: 2.5
-
3.2
GT34ZL
Throw Ratio:
3.4 - 5.2:1(approx.) Focal
Length:
92.4
-
140.6mm
Screen
Sizes:
80”
-
500”
F/#: 2.5
-
3.4
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)
V
= Vertical Screen Height (4:3)
C
= Throw Distance
Projection Formulas:
Screen Formulas:
GT10RL: C
=
1.027H
–
2.468
H
= Screen Diagonal x 4/5
GT13ZL: C
(Wide) = 1.3099H – 2.325 -------
C
(Tele) = 1.6111H – 2.325
V
= Screen Diagonal x 3/5
GT19ZL: C
(Wide) = 1.8639H – 3.228 -------
C
(Tele) = 2.4231H – 3.228
Screen Diagonal
= H x 5/4
GT24ZL: C
(Wide) = 2.4282H – 4.799 -------
C
(Tele) = 3.5209H – 4.799
GT34ZL: C
(Wide) = 3.5523H – 6.786 -------
C
(Tele) = 5.3284H – 6.786
