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)
Projection Distance and Screen Size for Ceiling Mount
The following shows the proper relative position of the projector and screen. Refer to the table for installation data.
Distances are in inches. For millimeters multiply by 25.4.
Ceiling Mount Installation
Throw Distance
6.6"
Vertical Offset
Screen Ctr
9.7"
Lens Centered
with Mount
GT
Note: Lens shift is not available on GT10RL(rear lens). GT10RL should be used only for “zero degree/no-offset” applications.
Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.
inchesinches
NANA
zoom lenses
GT24ZLGT34ZL
2.4 - 3.4:1
inchesinches
NA
NA
3.4 - 5.2:1
NA
NA
NA
NA
Page 3
Page 4
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
Lens Shift Adjustable Range
Desktop/Front
Vertical
Ceiling/Front
Vertical
(0.43V)
Normal Position
Normal Position
Lens Shift Range for Desktop and Ceiling Mount
Application
The diagram below shows the location of the image position
in the lens. The lens can be shifted within the shaded area as
shown using the normal projection position as a starting
point.
Note: Lens shift feature is not available with GT10RL (rear
0.5V
lens). GT10RL should be used only for “zero degree” / “nooffset” applications.
Maximum Possible Range
for GT19ZL/GT24ZL/GT34ZL (GT13ZL):
Up: 0.5V (0.43V)
Down: 0.5V (0.43V)
Right: 0.25H
Left: 0.25H
(H: width of projected image, V: height of projected image)
Note: If lens is shifted in two directions combined, maximum
range in either direction cannot be obtained due to rounded
off area near edge of lens. (example: shift up and right)
See diagram below.
0.25H
0.25H
Horizontal
+
-
+
-
Normal Position
0.5V
(0.43V)
0.25H
0.50V
(0.43V)(0.43V)
0.50V
(0.43V)
0.25H
Normal projection
position
0.25H
0.50V
0.50V
(0.43V)
Page 4
Page 5
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
Cabinet Dimensions
The following diagrams show the cabinet dimensions for the GT1150/2150.
Dimensions are in inches. For millimeters multiply by 25.4.
S
TAT
U
S
A
M
L
P
POWER
D
BY
N/STA
N
O
A
DJU
S
T
A
U
T
O
S
O
U
R
C
E
5
4
.
9
1
R
C
E
A
T
W
N
O
M
D
O
O
Z
OCU
S
N
N
E
C
E
L
¥
£
¥
T
S
E
L
E
C
+
£
M
E
N
U
¥
£
¥
LEN
S S
HIF
T
RIG
H
T
-
£
U
P
F
-
EFT
L
+-+
16.50
1150
GT
IN
IN
REMOTE
PC CONTROL
@2
OUT
OUT
SC TRIGGER
REMOTE@1
AC IN`
GT2150 GT1150
DVIL/MONO R
MONITOR OUT
RGB 2R/CrG/Y
VIDEO 1
L/MONO R L/MONO R
VIDEO 2
L/MONO R L/MONO R
S-VIDEO
L/MONO R
RGB 1
H/HV
AUDIO OUT
B/Cb
V
Page 5
Page 6
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
Cabinet Dimensions (continued)
The following diagrams show the cabinet dimensions for the GT1150/2150.
Dimensions are in inches. For millimeters multiply by 25.4.
1.2
1
2
4-Ø1.34
Ø0.41
9.4
5
12.504.33
19.45
MAX 4-M4X8
4
.
8
9
0
.
0
3
9
Ø0.41
5.518.47
9
4.0
.
4
5
6
5
.
2
8
.21
2
1
6
1
0
.
5
Page 6
Page 7
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
Optional Ceiling Mount Dimensions (Model #: GT50CM)
The following diagrams show ceiling mount dimensions for the GT1150/2150.
Dimensions are in inches. For millimeters multiply by 25.4.
10.04
9.50
2.22
8.22
2.21
4.25
9.79
10.04
2.44
45°
Page 7
Page 8
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
Optional Ceiling Mount Dimensions (Model #: GT50CM) (continued)
The following diagrams show ceiling mount dimensions for the GT1150/2150.
Dimensions are in inches. For millimeters multiply by 25.4.
10.686
1.355
10.00
10.50
10.775
.835
Page 8
Page 9
Visual Systems
GT1150/2150 Installation Data
Desktop and Ceiling MountRev 3.0
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT RGB 1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT RGB 2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT VIDEO 1 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT VIDEO 2 02H 03H 00H 00H 02H 01H 07H 0FH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT DVI (DIGITAL) 02H 03H 00H 00H 02H 01H 1AH 22H
INPUT SELECT DVI (ANALOG) 02H 03H 00H 00H 02H 01H 03H 0BH
INPUT SELECT PC CARD VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
ON SCREEN MUTE ON 02H 14H 00H 00H 00H 16H
ON SCREEN MUTE OFF 02H 15H 00H 00H 00H 17H
Cable Connection
Communication Protocol:
Baud Rate: 38400 bps (for cable lengths longer than 20’, it is recommended changing to 9600 bps in setup menu)
Data Length: 8 bits
Parity: No Parity
Stop Bit: One bit
X on/off: None
Communications: Full duplex
PC Control Connector (D-Sub 9P)
(GT1150 ONLY)
(GT1150 ONLY)
To TxD of PC
To RxD of PC
To GND of PC
12
34
67 8
5
9
To RTS of PC
To CTS of PC
NOTE: Pins 1, 4, 6, and 9 are used inside the projector.
Jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.
Page 9
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