Optoma Technology Projector GT750E User Manual

Table of Contents  
1
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Usage Notice  
Precautions  
Please follow all warnings, precautions and  
maintenance as recommended in this user’s  
guide.  
Warning- Do not look into the projector’s lens when the lamp is  
on. The bright light may hurt and damage your eyes.  
Warning- To reduce the risk of fire or electric shock, do not  
expose this projector to rain or moisture.  
Warning- Please do not open or disassemble the projector as  
this may cause electric shock.  
Warning- When replacing the lamp, please allow the unit to  
cool down. Follow instructions as described on pages  
44-45.  
Warning- This projector will detect the life of the lamp itself.  
Please be sure to change the lamp when it shows  
warning messages.  
Warning- Reset the “Lamp Reset” function from the on-screen  
display “OPTIONS | Lamp Settings” menu after  
replacing the lamp module (refer to page 38).  
Warning- When switching the projector off, please ensure  
the cooling cycle has been completed before  
disconnecting power. Allow 90 seconds for the  
projector to cool down.  
Warning- Do not use lens cap when projector is in operation.  
Warning- When the lamp is approaching the end of its lifetime,  
the message “Lamp Warning: Lamp life exceeded.”  
will show on the screen. Please contact your local  
reseller or service center to change the lamp as soon  
as possible.  
Warning- Do not look into or point the laser pointer on your  
remote control into your or someone’s eyes. Laser  
pointer can cause permanent damage to eyesight.  
3
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Usage Notice  
Do:  
Turn off and unplug the power plug from the AC outlet before  
cleaning the product.  
Use a soft dry cloth with mild detergent to clean the display  
housing.  
Disconnect the power plug from AC outlet if the product is  
not being used for a long period of time.  
Do not:  
Block the slots and openings on the unit provided for  
ventilation.  
Use abrasive cleaners, waxes or solvents to clean the unit.  
Use under the following conditions:  
- In extremely hot, cold or humid environments.  
Ensure that the ambient room temperature is within  
5 - 35°C.  
Relative Humidity is 5 - 35°C, 80% (Max.),  
non-condensing.  
- In areas susceptible to excessive dust and dirt.  
- Near any appliance generating a strong magnetic field.  
- In direct sunlight.  
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Usage Notice  
Eye Safety Warnings  
Avoid staring/facing directly into the projector beam at all  
times. Keep your back to the beam as much as possible.  
When projector is used in a classroom, adequately supervise  
students when they are asked to point out something on the  
screen.  
In order to minimize the lamp power, use room blinds to  
reduce ambient light levels.  
Product Features  
WXGA (1280x800) Native resolution  
HD compatible – 1080p supported  
BrilliantColorTM Technology  
Security Bar and Kensington Lock  
RS232 control  
Rapid shutdown  
Built-in speaker  
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Introduction  
Package Overview  
Unpack and inspect the box contents to ensure  
all parts listed below are in the box. If something  
is missing, please contact your nearest customer  
service center.  
VGA Cable 1.8m  
Projector with lens cap  
Power Cord 1.8m  
Due to different  
applications in  
each Country,  
some regions  
may have  
IR Remote Control  
2 × AAA Batteries  
VGA/RCA Adaptor  
Documentation :  
different  
accessories.  
User’s Manual  
Warranty Card  
Quick Start Card  
WEEE Card  
(for EMEA only)  
6
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Introduction  
Product Overview  
Main Unit  
4
1
2
5
4
3
8
7
6
5
1. Control Panel  
2. Focus Ring  
3. Lens  
6. Security Bar  
7. Input / Output  
Connections  
4. IR Receivers  
5. Tilt-Adjustment Feet  
8. Power Socket  
7
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Introduction  
Control Panel  
1
2
3
4
5
6
12  
10  
11  
7
9
8
1. AV Mute  
2. Menu  
3. Source  
4. Enter  
5. Re-Sync  
6. Power  
7. Keystone Correction  
8. Four Directional Select Keys  
9. On/Standby LED  
10. Lamp LED  
11. Temp LED  
12. IR Receiver  
8
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Introduction  
Input/Output Connections  
1
2
3
4
5
6
7
HDMI 1  
HDMI 2  
3D SYNC  
Out (5V)  
VGA / YPbPr  
S-VIDEO  
VIDEO  
AUDIO-OUT  
AUDIO-IN-L AUDIO-IN-R  
RS-232  
8
9
10 11 12  
13  
1. VGA/YPbPr/ Connector  
(PC Analog Signal/Component Video Input/HDTV/YPbPr)  
2. HDMI 1 Connector  
3. HDMI 2 Connector  
4. S-Video Input Connector  
5. Composite Video Input Connector  
6. Audio Output Connector (3.5mm Mini Jack)  
7. 3D Sync Out (5V)  
8. Power Socket  
9. RS-232 Connector (9-pin)  
10. Left RCA Audio Input Connector  
11. Right RCA Audio Input Connector  
12. KensingtonTM Lock Port  
13. Security Bar  
9
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Introduction  
Remote Control  
1
23  
22  
1. Power On  
2. Power Off  
3. 16:9  
2
4. Native  
5. Contrast  
6. Brightness  
7. Vol+/-  
3
4
5
21  
20  
19  
18  
17  
8. Enter  
9. Re-Sync  
10. VGA Source  
11. Video Source  
12. HDMI 2 Source  
13. S-Video Source  
14. HDMI 1 Source  
15. Menu  
16. Source  
17. 3D  
18. 3D format  
19. Mode  
20. LBX  
6
7
8
16  
9
24  
7
15  
14  
10  
11  
21. 4:3-I  
22. 4:3-II  
13  
23. 16:10  
24. Four Directional Select  
Keys  
12  
10  
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Installation  
Connecting the Projector  
Connect to Computer/Notebook  
2
3
4
5
6
Due to the  
HDMI  
1
HD
3D SYNC  
Out (5V)  
AUDT  
VGA / YPbPr  
VIDEO  
1
difference in  
applications  
for each  
AUDIO-IN-L AUDIO-IN-R  
RS-232  
country, some  
regions may  
have different  
accessories.  
(*) Optional  
accessory  
1....................................................................................................Power Cord  
2...........................................................................................*DVI/HDMI Cable  
3.....................................................................................................VGA Cable  
4................................................................................................*RS232 Cable  
5.........................................................................................*Audio Input Cable  
6................................................................................................ *Emitter cable  
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Installation  
Connect to Video Sources  
DVD Player, Set-top Box,  
HDTV receiver  
6
S-Video Output  
Composite Video Output  
3
2
4
5
6
HDMI  
1
HDMI  
2
3D SYNC  
Out (5V)  
Audio Output  
VGA / YPbPr  
S-VIDEO  
VIDEO  
AUDIO-OUT  
AUDIO-IN-L AUDIO-IN-R  
1
RS-232  
7
Due to the  
difference in  
applications  
for each  
country, some  
regions may  
have different  
accessories.  
1....................................................................................................Power Cord  
2..................................................................................................*HDMI Cable  
3......................................................................................... VGA/RCA Adaptor  
4.............................................................................................. *S-Video Cable  
5................................................................................*Composite Video Cable  
6.................................................................................*Audio Cable Jack/RCA  
7................................................................................................ *Emitter cable  
(*) Optional  
accessory  
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Installation  
Powering On/Off the Projector  
Powering On the Projector  
1. Remove the lens cap.  
2. Securely connect the power cord and signal cable. When  
connected, the ON/STANDBY LED will turn Amber.  
3. Turn on the lamp by pressing “ ” button either on the top of  
the projector or on the remote. The ON/STANDBY LED will  
now turn Green.   
The startup screen will display in approximately 10 seconds.  
The first time you use the projector, you will be asked to  
select the preferred language and power saving mode.  
4. Turn on and connect the source that you want to display  
on the screen (computer, notebook, video player, etc). The  
projector will detect the source automatically. If not, push  
menu button and go to “OPTIONS”.  
Make sure that the “Source Lock” has been set to “Off”.  
If you connect multiple sources at the same time, press the  
“SOURCE” button on the control panel or direct source keys  
on the remote control to switch between inputs.  
2
Power  
Turn on the  
projector first and  
then select the  
signal sources.  
1
Lens Cap  
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Installation  
Powering Off the Projector  
1. Press the “ ” button on the remote control or  
on the control panel to turn off the projector.  
The following message will be displayed on the screen.  
Press the “ ” button again to confirm otherwise the  
message will disappear after 15 seconds. When you  
press the “ ” button for the second time, the projector will  
display countdown timer and will shut down.  
2. The cooling fans continue to operate for about 10 seconds  
for cooling cycle and the ON/STANDBY LED will Flash  
Green. When the ON/STANDBY LED lights solid Amber,  
the projector has entered standby mode.  
If you wish to turn the projector back on, you must wait  
until the projector has completed the cooling cycle and  
has entered standby mode. Once in standby mode, simply  
press “ ” button to restart the projector.  
3. Disconnect the power cord from the electrical outlet and  
the projector.  
4. Do not turn on the projector immediately following a power  
off procedure.  
Warning Indicator  
When the warning indicators (see below) come on,  
the projector will automatically shutdown:  
Contact the  
nearest service  
center if the  
“LAMP” LED indicator is lit red and if “On/Standby” indicator  
flashes amber.  
projector displays  
these symptoms.  
See pages  
54-55 for more  
information.  
“TEMP” LED indicator is lit red and if “On/Standby”  
indicator flashes amber. This indicates the projector has  
overheated. Under normal conditions, the projector can be  
switched back on.  
“TEMP” LED indicator flashes red and if “On/Standby”  
indicator flashes amber.  
Unplug the power cord from the projector, wait for 30 seconds  
and try again. If the warning indicator light up again, please  
contact your nearest service center for assistance.  
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Installation  
Adjusting the Projected Image  
Adjusting the Projector’s Height  
The projector is equipped with elevator feet for adjusting  
the image height.  
1. Locate the adjustable foot you wish to modify on the  
underside of the projector.  
2. Rotate the adjustable ring clockwise to raise the projector  
or counter clockwise to lower it. Repeat with the remaining  
feet as needed.  
Tilt-Adjustment Feet  
Tilt-Adjustment Ring  
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Installation  
Adjusting the Projector’s Focus  
To focus the image, rotate the focus ring until the image is clear.  
WXGA series: The projector will focus at distances from 1.64  
to 16.40 feet (0.5 to 5.0 meters).  
Focus Ring  
Adjusting Projection Image Size  
WXGA series: Projection Image Size from 34.0” to 322.0”  
(0.8 to 8.2 meters).  
Top View  
Screen  
Screen (W)  
Projection Distance (D)  
Width  
Screen (H)  
Offset (Hd)  
Screen  
Side View  
Projection Distance (D)  
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Installation  
WXGA  
Screen Size W x H  
(m) (inch)  
Width  
Projection Distance (D)  
Diagonal length  
(inch) size of  
16:10 Screen  
Offset (Hd)  
(m)  
wide  
0.56  
0.68  
0.93  
1.09  
1.24  
1.40  
1.55  
1.86  
2.33  
2.79  
3.88  
4.68  
5.61  
(feet)  
wide  
-
Width  
0.78  
0.95  
1.29  
1.51  
1.72  
1.94  
2.15  
2.58  
3.23  
3.88  
5.38  
6.50  
7.80  
Height  
0.49  
0.59  
0.81  
0.94  
1.08  
1.21  
1.35  
1.62  
2.02  
2.42  
3.37  
4.07  
4.87  
Height  
19.24  
23.32  
31.80  
37.10  
42.40  
47.69  
52.99  
63.59  
79.49  
95.39  
132.49  
160.04  
191.84  
(m)  
(feet)  
36.30  
44.00  
30.78  
37.31  
0.06  
0.07  
0.10  
0.12  
0.13  
0.15  
0.17  
0.20  
0.25  
0.30  
0.42  
0.50  
0.60  
0.20  
0.24  
0.33  
0.38  
0.44  
0.49  
0.55  
0.66  
0.82  
0.99  
1.37  
1.65  
1.98  
2.24  
3.05  
3.56  
4.07  
4.58  
5.09  
6.10  
7.63  
9.16  
12.72  
15.36  
18.41  
60.00  
50.87  
70.00  
59.35  
80.00  
67.83  
90.00  
76.31  
100.00  
120.00  
150.00  
180.00  
250.00  
302.00  
362.00  
84.79  
101.75  
127.19  
152.62  
211.98  
256.07  
306.94  
This table is for user’s reference only.  
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User Controls  
Control Panel & Remote Control  
Control Panel  
Using the Control Panel  
Refer to the “Power On/Off the Projector” section on  
pages 13-14.  
POWER  
Automatically synchronize the projector to the input  
source.  
RE-SYNC  
Confirm your item selection.  
Enter  
Press “SOURCE” to select an input signal.  
SOURCE  
Press “Menu” to launch the on-screen display  
(OSD) menu. To exit OSD, Press “Menu” again.  
Menu  
Momentarily turns off/on the audio and video.  
AV MUTE  
Four Directional  
Use  
to select items or make adjust-  
Select Keys  
ments to your selection.  
Use  
to adjust image distortion caused  
Keystone  
by tilting the projector. (±40 degrees)  
Lamp LED  
Temp LED  
Indicate the projector’s lamp status.  
Indicate the projector’s temperature status.  
ON/STAND-  
BY LED  
Indicate the projector’s status.  
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User Controls  
Remote Control  
Using the Remote Control  
Refer to the “Power On” section on page 13.  
Power On  
Power Off  
Mode  
Refer to the “Power On/Off the Projector”  
section on page 14.  
Select the display mode from Cinema,  
Bright, Photo, Reference and User.  
Scale the image at a 4:3-I (960x720) aspect  
ratio.  
4:3-I  
Scale the image at a 4:3-II (1066x800)  
aspect ratio.  
4:3-II  
Scale the image at a 16:9 (1280x720) aspect  
ratio.  
16:9  
Scale the image at a 16:10 (1280x800)  
aspect ratio.  
16:10  
Enable the viewing of the letterboxed nonan-  
amorphically enhanced movie at full screen  
width. Part of the original image will be lost if  
the image aspect ratio is less than 2.35:1.  
LBX  
The input source will be displayed without  
scaling.  
Native  
Adjust the brightness of the image.  
Brightness  
Contrast  
Control the degree of difference between the  
lightest and darkest parts of the picture.  
For Broadcast 3D signals in “3D format”.  
3D Format  
3D  
Press the “3D” to turn the 3D OSD menu on/  
off.  
Adjust to increase / decrease the volume.  
Vol+ / Vol -  
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User Controls  
Using the Remote Control  
Confirm your item selection.  
Enter  
Press “Source” to select an input signal.  
Source  
Re-sync  
Menu  
Automatically synchronizes the projector  
to the input source.  
Display or exit the on-screen display  
menus for projector.  
Press “HDMI 1” to choose source from  
HDMI 1 connector.  
HDMI 1  
HDMI 2  
VGA  
Press “HDMI 2” to choose source from  
HDMI 2 connector.  
Press “VGA” to choose source from  
VGA/SCART/YPbPr connector.  
Press “S-Video” to choose S-Video  
source.  
S-Video  
Video  
Press “Video” to choose Composite  
video source.  
Four  
Directional  
Select Keys  
Use  
to select items or  
make adjustments to your selection.  
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User Controls  
On-screen Display Menus  
The Projector has multilingual On-screen Display menus that  
allow you to make image adjustments and change a variety of  
settings. The projector will automatically detect the source.  
How to operate  
1. To open the OSD menu, press “Menu” on the Remote Control or  
Projector Keypad.  
2
When OSD is displayed, use  
keys to select any item in the  
main menu. While making a selection on a particular page, press  
or “Enter” key to enter sub menu.  
3. Use  
using  
keys to select the desired item and adjust the settings  
key.  
4. Select the next item to be adjusted in the sub menu and adjust as  
described above.  
5. Press “Enter” to confirm, and the screen will return to the main  
menu.  
6. To exit, press “MENU” again. The OSD menu will close and the  
projector will automatically save the new settings.  
Main Menu  
Sub Menu  
Settings  
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User Controls  
Menu Tree  
Main Menu  
Sub Menu  
Settings  
Display Mode  
Cinema / Bright / Presentation / Game /  
Blackboard / Classroom / 3D / User  
Image  
Brightness  
Contrast  
Sharpness  
#1 Color  
-50 ~ +50  
-50 ~ +50  
1~15  
-50 ~ +50  
#1 Tint  
-50 ~ +50  
Advanced  
Gamma  
Film / Video / Graphics / Standard  
0~10  
BrilliantColor™  
Color Temp.  
Color  
Warm / Medium / Cold  
Red Gain / Green Gain / Blue Gain / Red  
Bias / Green Bias / Blue Bias / Cyan /  
Magenta / Yellow / Reset / Exit  
Color Space  
AUTO / RGB / YUV  
#2 AUTO / RGB (0-255) / RGB (16-235) / YUV  
Input Source  
VGA / S-Video / Video / HDMI 1 / HDMI 2  
Exit  
Format  
4:3-I / 4:3-II / 16:9 / 16:10 / LBX / Native /  
AUTO  
Display  
Edge Mask  
Zoom  
0~10  
-5 ~ +25  
V Image Shift  
V Keystone  
3D  
-50 ~ +50  
-40 ~ +40  
DLP-Link / VESA 3D  
3D / L / R  
3D Mode  
3D -> 2D  
3D Format  
Auto / SBS / Top and Bottom / Frame  
Sequential  
#3 3D Sync. Invert  
On / Off  
Exit  
Language  
English / Deutsch / Français / Italiano /  
Español / Português / Svenska /  
Setup  
Nederlands / Norsk/Dansk / Polski /  
Suomi / Ɋɭɫɫɤɢɣ / İȜȜȘȞȚțȐ / Magyar /  
ýeština / ̶γέΎϓ / ϲΑήϋ /᜗᧯խ֮ʳ/ 亞᫿խ֮ʳ/  
ֲ
ء
፿!0ᾂ᝖᱑ʳ/ 
ࡎࡷ
࡙ꢀ/ Türkçe  
Projection  
Menu Location  
#4 Signal  
Automatic  
Enable / Disable  
Frequency (VGA)  
Phase (VGA)  
H. Position (VGA)  
V. Position (VGA)  
Exit  
-5~5  
0~63  
-5~5  
-5~5  
ʳ
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User Controls  
Main Menu  
Sub Menu  
Settings  
Security  
Security  
On / Off  
Setup  
Security Timer  
Month / Day / Hour  
Change Password  
ʳ
Exit  
Projector ID  
0~99  
Audio Settings  
Internal Speaker  
Mute  
On / Off  
On / Off  
Volume  
0~10  
Audio Input  
Default / Audio / HDMI  
Exit  
Source Lock  
On / Off  
Options  
High Altitude  
On / Off  
Information Hide  
Keypad Lock  
Background Color  
Test Pattern  
On / Off  
On / Off  
Black / Red / Blue / Green / White  
None / Grid / White Pattern  
Advanced  
Direct Power On  
Auto Power Off (min.)  
Sleep Timer (min.)  
Exit  
On / Off  
0~180  
0~995  
Lamp Settings  
Lamp Hours  
Lamp Reminder  
Brightness Mode  
Lamp Reset  
On / Off  
STD / Bright  
Yes / No  
Exit  
Reset  
Yes / No  
Please note that the on-screen display (OSD) menus vary according to the  
signal type selected and the projector model you are using.  
(#1) “Color” and “Tint” are only supported in Video mode.  
(#2) For HDMI source only.  
(#3) “3D Sync Invert” is only available when 3D is enabled.  
(#4) “Signal” is only supported in Analog VGA (RGB) signal.  
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User Controls  
IMAGE  
Display Mode  
There are many factory presets optimized for various types of  
images.  
Presentation: Good color and brightness from PC input.  
Bright: Maximum brightness from PC input.  
Cinema: For home theater.  
Game: For game mode.  
Blackboard: This mode should be selected to achieve optimum  
color settings when projecting onto a blackboard (green).  
Classroom: This mode is recommended for projecting in a  
classroom.  
User: User’s settings.  
3D: Recommended setting for 3D mode enabled. Any further ad-  
justments by the user in 3D will be saved in this mode for further  
use.  
Contrast  
The contrast controls the degree of difference between the lightest  
and darkest parts of the picture.  
Press the to decrease the contrast.  
Press the to increase the contrast.  
Brightness  
Adjust the brightness of the image.  
Press the to darken image.  
Press the to lighten the image.  
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User Controls  
Color  
Adjust a video image from black and white to fully saturated color.  
Press the to decrease the amount of saturation in the image.  
Press the to increase the amount of saturation in the image.  
Tint  
Adjust the color balance of red and green.  
“Color” and “Tint”  
functions are only  
supported under  
Video mode.  
Press the to increase the amount of green in the image.  
Press the to increase the amount of red in the image.  
Sharpness  
Adjust the sharpness of the image.  
Press the to decrease the sharpness.  
Press the to increase the sharpness.  
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User Controls  
IMAGE | Advanced  
BrilliantColor™  
This adjustable item utilizes a new color-processing algorithm and  
system level enhancements to enable higher brightness while  
providing true, more vibrant colors in picture. The range is from  
“0” to “10”. If you prefer a stronger enhanced image, adjust toward  
the maximum setting. For a smoother, more natural image, adjust  
toward the minimum setting.  
Gamma  
This allows you to set up gamma curve type. After the initial setup  
and fi ne tuning is completed, utilize the Gamma Adjustment steps  
to optimize your image output.  
Film: for home theater.  
Video: for video or TV source.  
Graphics: for image source.  
Standard: for standardized setting.  
Color Temp  
If set to cold temperature, the image looks more blue. (cold image)  
If set to warm temperature, the image looks more red.  
(warm image)  
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User Controls  
Color Settings  
Press  
into the next menu as below and then use  
or  
to  
select item.  
Red/Green/Blue/Cyan/Magenta/Yellow: Use or to select  
Red, Green, Blue, Cyan, Magenta and Yellow Colors.  
Reset: Choose “Yes” to return the factory default settings for  
color adjustments.  
(*) For HDMI only.  
Color Space  
Select an appropriate color matrix type from AUTO, RGB,  
RGB(0-255)(*), RGB(16-235)(*) or YUV.  
Input Source  
Use this option to enable / disable input sources. Press  
to enter  
the sub menu and select which sources you require. Press “Enter”  
to finalize the selection. The projector will not search for inputs that  
are not selected.  
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User Controls  
DISPLAY  
Format  
Use this function to choose your desired aspect ratio.  
4:3-I: This format is for 4×3-I input sources.  
4:3-II: This format is for 4×3-II input sources.  
16:9: This format is for 16×9 input sources, like HDTV and DVD  
enhanced for Wide screen TV.  
16:10: This format is for 16×10 input sources, like widescreen  
laptops.  
LBX: This format is for non-16x9, letterbox source and for users  
who use external 16x9 lens to display 2.35:1 aspect ratio using  
full resolution.  
Native: This format displays the original image without any  
scaling.  
AUTO: Automatically selects the appropriate display format.  
Resize image  
Aspect ratio  
(source detected)  
WXGA model  
960 x 720 center  
1066 x 800 center  
1280 x 720 center  
1280 x 800 center  
4:3-I  
4:3-II  
16:9  
16:10  
1280 x 960 center, then get the central  
LBX  
1280 x 800 image to display  
Resize image of native change to above  
Native  
description not pixels resolution.  
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User Controls  
Detail informations about LBX mode:  
1. Some Letter-Box DVDs are not enhanced for 16x9 TVs. In this  
situation, the image will not look right when displayed in 16:9  
mode.  
Each I/O has  
different setting of  
“Edge Mask”.  
In this situation, please try to using the 4:3 mode to view the  
DVD.  
“Edge Mask” and  
“Zoom” can’t work  
at same time.  
If the content is not 4:3, there will be black bars around the im-  
age in 16:9 display. For this type of content, you can use LBX  
mode to fill the image on the 16:9 display.  
2. If you use an external anamorphic lens, this LBX mode also  
allows you to watch a 2.35:1 content (include Anamorphic  
DVD and HDTV film source) that support anamorphic wide is  
enhanced for 16x9 Display in a wide 2.35:1 image.  
In this case, there are no black bars. Lamp power and vertical  
resolution are fully utilized.  
Zoom  
Press the to reduce the size of an image.  
Press the to magnify an image on the projection screen.  
Edge Mask  
Edge mask function removes the noise in a video image. Edge  
mask the image to remove video encoding noise on the edge of  
video source.  
V Image Shift  
Shift the projected image position vertically.  
V Keystone  
Press the or to adjust image distortion vertically. If the image  
looks trapezoidal, this option can help make the image rectangular.  
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User Controls  
DISPLAY | 3D  
3D Mode  
DLP Link: Select “DLP Link” to use optimized settings for DLP  
Link 3D images. (For DLP glasses, please refer to page 15).  
“3D sync. Invert”  
function wouldn’t  
save the setting.  
It will set to “Off”  
when powers on and  
changes source.  
VESA 3D: Select “VESA 3D” to use optimized setting for VESA  
3D images. (For 3D emitter, please refer to page 13).  
3D -> 2D  
3D: Display left and right frames of 3D content.  
3D Format is only  
supported on 3D  
Timing on page 49.  
L (Left): Display the left frame of 3D content.  
R (Right): Display the right frame of 3D content.  
3D Format  
Auto : When a 3D identification signal is detected, the 3D for-  
mat is selected automatically.  
SBS: Display 3D signal in “Side-by-Side” format.  
Top and Bottom: Display 3D signal in “Top and Bottom” format.  
Frame Sequential: Display 3D signal in “Frame Sequential”  
format.  
3D Sync. Invert  
Press the “On” to invert left and right frame contents.  
Press the “Off” for default frame contents.  
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User Controls  
SETUP  
Language  
Choose the multilingual OSD menu. Press or into the sub  
menu and then use the or key to select your preferred  
language. Press “Enter” to finalize the selection.  
Rear-Desktop and  
Rear-Ceiling are  
to be used with a  
translucent screen.  
Projection  
Front-Desktop  
This is the default selection. The image is projected straight on  
the screen.  
Rear-Desktop  
When selected, the image will appear reversed.  
Front-Ceiling  
When selected, the image will turn upside down.  
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User Controls  
Rear-Ceiling  
When selected, the image will appear reversed in upside down  
position.  
Menu Location  
Choose the menu location on the display screen.  
Projector ID  
ID definition can be set up by menu (range 0~99), and allow user  
control an individual projector by RS232. Refer to pages 50~53 for  
the complete list of RS232 commands.  
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User Controls  
SETUP | Security  
Security  
On: Choose “On” to use security verification when the turning  
on the projector.  
Off: Choose “Off” to be able to switch on the projector without  
password verification.  
Security Timer  
Can be select the time (Month/Day/Hour) function to set the  
number of hours the projector can be used. Once this time has  
elapsed you will be requested to enter your password again.  
Pass-code default  
value is “1234” (first  
time).  
Change Password  
First time:  
1. Press ” to set the password.  
2. The password has to be 4 digits.  
3. Use number button on the remote to enter your new  
password and then press “ ” key to confirm your  
password.  
Change Password:  
1. Press ” to input old password.  
2. Use number button to enter current password and then  
press “ ” to confirm.  
3. Enter new password (4 digits in length) using the number  
buttons on the remote, then press “ ” to confirm.  
4. Enter new password again and press “ ” to confirm.  
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User Controls  
If the incorrect password is entered 3 times, the projector will  
automatically shut down.  
If you have forgotten your password, please contact your local  
office for support.  
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User Controls  
SETUP | Signal  
“Signal” is only  
supported in Analog  
VGA (RGB) signal.  
Automatic  
Automatically selects the singal. If you use this function, the  
Phase, frequency items are grayed out, and if Signal is not auto-  
matic, the phase, frequency items will appear for user to manually  
tune and saved in settings after that for next time projector turns  
off and on again.  
Phase  
Synchronize the signal timing of the display with the graphic card.  
If the image appears to be unstable or flickers, use this function to  
correct it.  
Frequency  
Change the display data frequency to match the frequency of  
your computer’s graphic card. Use this function only if the image  
appears to flicker vertically.  
H. Position  
Press the to move the image left.  
Press the to move the image right.  
V. Position  
Press the to move the image down.  
Press the to move the image up.  
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User Controls  
SETUP |  
Audio Settings  
Internal Speaker  
Choose the “On” or “Off” to turn on or off the internal speaker.  
Mute  
Choose the “On” to turn mute on.  
Choose the “Off” to turn mute off.  
Volume  
Press the to decrease the volume.  
Press the to increase the volume.  
Audio Input  
The default audio settings are on the back panel of the projector.  
Use this option to reassign any of the Audio Inputs to the current  
image source.  
AUDIO: Audio connector port.  
HDMI: HDMI connector port.  
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User Controls  
OPTIONS  
Source Lock  
On: The projector will only search current input connection.  
Off: The projector will search for other signals if the current  
input signal is lost.  
High Altitude  
When “On” is selected, the fans will spin faster. This feature is  
useful in high altitude areas where the air is thin.  
Information Hide  
On: Choose “On” to hide the info message.  
Off: Choose “Off” to show the “searching” message.  
Keypad Lock  
When the keypad lock function is “On”, the control panel will be  
locked however, the projector can be operated by the remote  
control. By selecting “Off”, you will be able to reuse the control  
panel.  
To turn off the key-  
pad lock, press and  
hold “Enter” key on  
top of the projector  
for 5 seconds.  
Background Color  
Use this feature to display a “Black”, “Red”, “Blue”, “Green” or  
“White”, screen when no signal is available.  
Test Pattern  
Display a test pattern. There are Grid, White pattern and None.  
Reset  
Choose “Yes” to return the display parameters on all menus to the  
factory default settings.  
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User Controls  
OPTIONS |  
Advanced  
Direct Power On  
Choose “On” to activate Direct Power mode. The projector will  
automatically power on when AC power is supplied, without  
pressing the “ ” key on the projector control panel or on the  
remote control.  
Auto Power Off (min)  
Sets the countdown timer interval. The countdown timer will start,  
when there is no signal being sent to the projector. The projector  
will automatically power off when the countdown has finished (in  
minutes).  
Sleep Timer (min)  
Sets the countdown timer interval. The countdown timer will start,  
with or without a signal being sent to the projector. The projector  
will automatically power off when the countdown has finished (in  
minutes).  
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User Controls  
OPTIONS |  
Lamp Settings  
Lamp Hours  
Display the projection time.  
Lamp Reminder  
Choose this function to show or to hide the warning message  
when the changing lamp message is displayed.  
The message will appear 30 hours before suggested replacement  
of lamp.  
Brightness Mode  
STD: Choose “STD” to dim the projector lamp which will lower  
power consumption and extend the lamp life.  
BRIGHT: Choose “BRIGHT” to increase the brightness.  
Image AI: Image AI improves the contrast of the picture by  
optimizing the brightness of the lamp according to the picture  
content. Image AI helps to ensure that details in dark scenes  
are visible, whilst maintaining bright and vivid images.  
Lamp Reset  
Reset the lamp hour counter after replacing the lamp.  
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Appendices  
Troubleshooting  
If you experience a problem with your projector,  
please refer to the following information. If a  
problem persists, please contact your local  
reseller or service center.  
No image appears on-screen  
Ensure all the cables and power connections are correctly and  
securely connected as described in the “Installation” section.  
Ensure all the pins of connectors are not bent or broken.  
Check if the projection lamp has been securely installed. Please  
refer to the “Replacing the lamp” section.  
Make sure you have removed the lens cap and the projector is  
switched on.  
Ensure that the “AV mute” feature is not turned on.  
Partial, scrolling or incorrectly displayed image  
Press “Re-SYNC” on the remote.  
If you are using a PC:  
For Windows 95, 98, 2000, XP, Windows 7:  
1. Open the “My Computer” icon, the “Control Panel” folder, and  
then double click on the “Display” icon.  
2. Select the “Settings” tab.  
3. Verify that your display resolution setting is lower than or equal  
to UXGA (1600 × 1200).  
4. Click on the “Advanced Properties” button.  
If the projector is still not projecting the whole image, you will also  
need to change the monitor display you are using. Refer to the  
following steps.  
5. Verify the resolution setting is lower than or equal to UXGA  
(1600 × 1200).  
6. Select the “Change” button under the “Monitor” tab.  
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Appendices  
7. Click on “Show all devices”. Next, select “Standard monitor  
types” under the SP box; choose the resolution mode you need  
under the “Models” box.  
8. Verify that the resolution setting of the monitor display is lower  
than or equal to UXGA (1600 × 1200).  
If you are using a Notebook:  
1. First, follow the steps above to adjust resolution of the  
computer.  
2. Press the appropriate keys listed below for your notebook  
manufacturer to send signal out from notebook to projector.  
Example: [Fn]+[F4]  
Acer  
Asus   
Dell   
Gateway  
[Fn]+[F5]  
[Fn]+[F8]  
[Fn]+[F8]  
[Fn]+[F4]  
IBM/Lenovo [Fn]+[F7]  
HP/Compaq [Fn]+[F4]  
NEC   
Toshiba   
[Fn]+[F3]  
[Fn]+[F5]  
Mac Apple:  
System Preference Display Arrangement Mirror  
display  
If you experience difficulty changing resolutions or your monitor  
freezes, restart all equipment including the projector.  
The screen of the Notebook or PowerBook computer is not  
displaying your presentation  
If you are using a Notebook PC  
Some Notebook PCs may deactivate their own screens when a  
second display device is in use. Each has a different way to be  
reactivated. Refer to your computer’s manual for detailed  
information.  
Image is unstable or flickering  
Use “Phase” to correct it. See page 35 for more information.  
Change the monitor color setting on your computer.  
Image has vertical flickering bar  
Use “Frequency” to make an adjustment. See page 35 for more  
information.  
Check and reconfigure the display mode of your graphic card to  
make it compatible with the projector.  
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Appendices  
Image is out of focus  
Make sure the lens cap is removed.  
Adjust the Focus Ring on the projector lens.  
Make sure the projection screen is between the required distance.  
See page 16.  
The image is stretched when displaying 16:9 DVD title  
When you play anamorphic DVD or 16:9 DVD, the projector will  
show the best image when the projector display mode is set to  
16:9 in the OSD.  
If you play 4:3 format DVD titles, please change the format to 4:3  
in the projector OSD.  
If the image is still stretched, you will also need to adjust the  
aspect ratio by referring to the following:  
Please setup the display format as 16:9 (wide) aspect ratio type  
on your DVD player.  
Image is too small or too large  
Move the projector closer to or further from the screen.  
Press “Menu” button on the remote control or projector panel, go  
to “DISPLAY Format” and try the different settings.  
Image has slanted sides  
If possible, reposition the projector so that it is horizontally  
centered on the screen and below the bottom of the screen.  
Use of Keystone  
is not recom-  
mended.  
Press “  
/
” on the projector panel, until the sides are vertical.  
Image is reversed  
Select “SETUP Projection” from the OSD and adjust the  
projection direction.  
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Appendices  
The projector stops responding to all controls  
If possible, turn off the projector, then unplug the power cord and  
wait at least 60 seconds before reconnecting power.  
Check that “Keypad Lock” is not activated by trying to control the  
projector with the remote control.  
Lamp burns out or makes a popping sound  
When the lamp reaches its end of life, it will burn out and may  
make a loud popping sound. If this happens, the projector will not  
turn on until the lamp module has been replaced. To replace the  
lamp, follow the procedures in the “Replacing the Lamp” section on  
pages 44-45.  
LED lighting message  
ON/STANDBY  
Message  
Temp-LED  
Lamp-LED  
LED  
(Green/Amber)  
(Red)  
(Red)  
Standby State  
(Input power cord)  
Amber  
Flashing  
Green  
Power on (Warming)  
Lamp lighting  
Green  
Flashing  
Green  
Power off (Cooling)  
Error (Over Temp.)  
Error (Fan fail)  
Flashing  
Amber  
Steady light  
Flashing  
Amber  
Flashing  
No light  
Flashing  
Amber  
Error (Lamp fail)  
ON/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.  
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Appendices  
On Screen Messages  
Temperature warning:  
Fan failed:  
Lamp warming:  
Out of display range:  
If the remote control does not work  
Check the operating angle of the remote control is within ±15°  
both horizontally and vertically of one of the IR receivers on the  
projector.  
Make sure there are not any obstructions between the remote  
control and the projector. Move to within 7 m (±0°) of the projector.  
Make sure the batteries are inserted correctly.  
Replace batteries if they are exhausted.  
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Appendices  
Replacing the lamp  
The projector automatically detects the lamp life. When the  
lamp life is nearing the end of use, you will receive a warning  
message.  
When you see this message, please contact your local reseller  
or service center to change the lamp as soon as possible.  
Make sure the projector has been cooled down for at least 30  
minutes before changing the lamp.  
Warning: If ceiling mounted, please use caution when  
opening the lamp access panel. It is recommended to wear  
safety glasses if changing the bulb when ceiling mounted.  
“Caution must be used to prevent any loose parts from fall-  
ing out of projector.”  
Warning: Lamp compartment may be hot! Allow it to cool  
down before changing the lamp!  
Warning: To reduce the risk of personal injury, do not drop  
the lamp module or touch the lamp bulb. The bulb may shat-  
ter and cause injury if it is dropped.  
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Appendices  
1
The screws on the  
lamp cover and the  
lamp cannot be  
removed.  
2
The projector  
cannot be turned  
on if the lamp  
4
cover has not been  
placed back on the  
projector.  
3
Do not touch the  
glass area of the  
lamp. Hand oil can  
cause the lamp to  
shatter. Use a dry  
cloth to clean the  
lamp module if it  
was accidentally  
touched.  
Lamp Replacement Procedure:  
1. Switch off the power to the projector by pressing the “ ” button.  
2. Allow the projector to cool down for at least 30 minutes.  
3. Disconnect the power cord.  
4. Unscrew the two screws on the cover. 1  
5. Lift up and remove the cover. 2  
6. Unscrew the two screws on the lamp module. 3  
7. Lift up the lamp handle and remove the lamp module slowly and carefully. 4  
To replace the lamp module, reverse the previous steps.  
8. Turn on the projector and use “Lamp Reset” after the lamp module is  
replaced.  
Lamp Reset: (i) Press “Menu” (ii) Select “OPTIONS” (iii) Select  
“Lamp Settings” (iv) Select “Lamp Reset” (v) Select “Yes”.  
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Appendices  
Compatibility Modes  
Computer Compatibility  
V-Sync (Hz)  
H-Sync (KHz)  
Mode  
Resolution  
Anglog  
Digital  
Anglog  
Digital  
VGA  
VGA  
640 × 350  
640 × 350  
640 × 400  
640 × 480  
640 × 480  
640 × 480  
640 × 480  
720 × 400  
720 × 400  
800 × 600  
800 × 600  
800 × 600  
800 × 600  
800 × 600  
1024 × 768  
1024 × 768  
1024 × 768  
1024 × 768  
1280 × 800  
1280 × 1024  
1366 × 768  
1440 × 900  
1680 × 1050  
1400 × 1050  
1600 × 1200  
1680 × 1050  
1280 × 720  
1280 × 720  
1920 × 1080  
70  
85  
85  
60  
67  
72  
75  
70  
85  
56  
60  
72  
75  
120  
60  
70  
75  
120  
60  
60  
60  
60  
60  
60  
60  
60  
60  
120  
60  
70  
85  
85  
60  
67  
72  
75  
70  
85  
56  
60  
72  
75  
120  
60  
70  
75  
120  
60  
60  
60  
60  
60  
60  
60  
60  
60  
120  
60  
31.50  
37.90  
37.90  
31.50  
-
31.50  
37.90  
37.90  
31.50  
-
VGA  
VGA  
VGA  
VGA  
37.90  
37.50  
31.50  
37.90  
35.20  
37.90  
48.10  
46.90  
-
37.90  
37.50  
31.50  
37.90  
35.20  
37.90  
48.10  
46.90  
-
VGA  
VGA  
VGA  
SVGA  
SVGA  
SVGA  
SVGA  
SVGA  
XGA  
48.40  
56.50  
60.00  
-
48.40  
56.50  
60.00  
-
XGA  
For widescreen  
resolution  
XGA  
XGA  
(WXGA), the  
compatibility  
support is  
dependent on  
Notebook/PC  
models.  
WXGA  
SXGA  
49.68  
63.98  
-
49.64  
63.98  
-
55.94  
-
55.94  
-
120Hz input  
signals may be  
dependent on  
graphics cards  
support.  
SXGA+  
UXGA  
WSXGA+  
HD  
63.98  
75.00  
65.00  
45.00  
-
63.98  
75.00  
65.00  
45.00  
-
HD  
HD  
-
-
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Appendices  
Computer Compatibility  
Mode  
Resolution  
V-Sync (Hz)  
H-Sync (KHz)  
MAC LC 13”  
MAC II 13”  
MAC 16”  
MAC 19”  
MAC  
640 × 480  
640 × 480  
832 × 624  
1024 × 768  
1152 × 870  
640 × 480  
1024 × 768  
1152 × 870  
66.66  
66.68  
74.55  
75  
34.98  
35.00  
49.73  
60.24  
68.68  
31.35  
60.00  
68.49  
75.06  
60  
MAC G4  
i MAC DV  
i MAC DV  
75  
75  
Video Compatibility  
NTSC  
M (3.58MHz), 4.43 MHz  
PAL  
B, D, G, H, I, M, N  
B, D, G, K, K1, L  
SECAM  
SDTV/HDTV  
480i/p, 576i/p, 720p@50Hz/60Hz, 1080i/p@50Hz/60Hz  
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Appendices  
3D input Compatibility  
HDMI 1.4a 3D timing  
V.Frequency  
H.Frequency  
[KHz]  
Pixel Rate  
[MHz]  
DLP link  
VESA 3D  
Auto 3D format  
Auto detection of L/R frame  
3D to 2D  
Formats  
Modes  
Resolution  
[Hz]  
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
720p  
720p  
1280x720  
1280x720  
50  
75  
148.5  
Frame Packing  
60  
90  
148.5  
148.5  
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
1080p  
720p  
1920x1080  
1280x720  
24  
50  
54  
37.5  
74.25  
74.25  
74.25  
74.25  
74.25  
720p  
1080p  
1080i  
1080i  
1280x720  
1920x1080  
1920x1080  
1920x1080  
60  
45  
27  
Top and Bottom  
24  
50(25)  
60(30)  
33.75  
33.75  
Side by Side (half)  
HDMI 1.3 3D timing  
V.Frequency  
H.Frequency  
[KHz]  
Pixel Rate  
[MHz]  
DLP link  
VESA 3D  
Auto 3D format  
Auto detection of L/R frame  
3D to 2D  
Formats  
Modes  
Resolution  
[Hz]  
120  
120  
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
SVGA  
XGA  
800x600  
76.3  
73.25  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Frame Sequential  
1024x768  
97.6  
115.5  
720p  
1080i  
1280x720  
1920x1080  
120/60  
50(25)  
33.75  
33.75  
33.75  
33.75  
74.25  
74.25  
74.25  
74.25  
Side by Side (half)  
Top & Bottom (half)  
1080i  
1080i  
1080i  
1920x1080  
1920x1080  
1920x1080  
60(30)  
50(25)  
60(30)  
VGA 1.3 3D timing  
V.Frequency  
[Hz]  
H.Frequency  
[KHz]  
Pixel Rate  
[MHz]  
DLP link  
VESA 3D  
Auto 3D format  
Auto detection of L/R frame  
3D to 2D  
Formats  
Modes  
Resolution  
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
SVGA  
XGA  
800x600  
1024x768  
1280x720  
120  
76.3  
73.25  
X
X
X
X
X
X
X
X
X
Frame Sequential  
120  
97.6  
115.5  
720p  
120/60  
CVBS/S-Video  
V.Frequency  
H.Frequency  
[KHz]  
Pixel Rate  
[MHz]  
DLP link  
VESA 3D  
Auto 3D format  
Auto detection of L/R frame  
3D to 2D  
Formats  
Modes  
Resolution  
[Hz]  
60  
Ϥ
Ϥ
Ϥ
Ϥ
15.73  
X
X
X
X
X
X
NTSC  
PAL  
720x480  
720x576  
Frame Sequential  
15.63  
50  
49  
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Appendices  
RS232 Commands and Protocol  
Function List  
RS232 Pin Assignments  
9
8
7
6
5
4
3
2
1
Spec.  
(from projector side)  
Pin no.  
1
2
3
4
5
6
7
8
9
N/A  
RXD  
TXD  
N/A  
GND  
N/A  
N/A  
N/A  
N/A  
50  
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Appendices  
RS232 Protocol Function List  
Optoma Data and HT Projectors  
GT750  
Baud Rate  
Data Bits  
Parity  
9600  
8
None  
1
Stop Bits  
Flow Control  
None  
UART16550 FIFO  
Disable  
~
X
X
X
X
X
n
CR  
Lead Code  
Projector ID  
Command ID  
space  
variable  
carriage return  
Function  
ASCII  
~XX00 n  
Pass  
P
Fail  
F
Power  
Power On with Password  
Re-sync  
On/Off  
n=1/n=0 & 2  
~XX00 1 ~nnnn  
~XX01 n  
P
P
F
F
AV Mute  
Mute  
Freeze  
On/Off  
On/Off  
n=1/n=0 & 2  
n=1/n=0 & 2  
n=1  
~XX02 n  
~XX03 n  
~XX04 n  
P
P
P
F
F
F
Unfreeze  
Zoom Plus  
Zoom Minus  
n=0 & 2  
n=1  
n=1  
~XX05 n  
~XX06 n  
~XX12 n  
P
P
P
F
F
HDMI 1  
HDMI 2  
VGA 1  
n=1  
n=15  
n=5  
Direct Source Commands  
VGA 1 SCART  
VGA 1 Component  
S-Video  
n=7  
n=8  
n=9  
Video  
n=10  
Presentation  
Cinema  
n=1  
n=11  
~XX20 n  
P
F
Bright  
n=2  
User  
n=5  
n=7  
n=8  
n=9  
Display Mode  
Blackboard  
Classroom  
3D  
Game  
n=12  
Brightness  
Contrast  
Sharpness  
Tint  
n= -50 - +50  
n= -50 - +50  
n= 1- +15  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
n=1  
~XX21 n  
~XX22 n  
~XX23 n  
~XX44 n  
~XX45 n  
~XX24 n  
~XX25 n  
~XX26 n  
~XX27 n  
~XX28 n  
~XX29 n  
~XX30 n  
~XX31 n  
~XX32 n  
~XX33 n  
P
P
P
P
P
F
F
F
F
F
Color  
Red Gain  
Green Gain  
Blue Gain  
Red Bias  
Green Bias  
Blue Bias  
Cyan  
Yellow  
Magenta  
Reset  
Color Settings  
RGB Gain/Bias  
Gain  
Gain  
Gain  
IMAGE  
BrilliantColor™  
Gamma  
n= 0 - 10  
n=1  
n=2  
n=3  
n=4  
n=1  
n=2  
n=3  
n=1  
n=2  
n=4  
n=3  
n=1  
n=7  
n=5  
n=9  
n=10  
n=1  
n=2  
n=3  
n=5  
n=6  
n=7  
~XX34 n  
~XX35 n  
~XX35 n  
~XX35 n  
~XX35 n  
~XX36 n  
P
P
F
F
Advanced  
Film  
Video  
Graphics  
PC\Standard  
Warm  
Medium  
Cold  
Auto  
P
P
F
F
Color Temp.  
Color Space  
~XX37 n  
~XX39 n  
RGB \ RGB (0-255)*  
RGB(16 - 235)*  
YUV  
* supports when HDMI is  
detected  
HDMI 1  
HDMI 2  
VGA 1  
S-Video  
Video  
P
P
F
F
Input Source Filters  
4:3  
16:09  
16:10  
LBX  
Native  
AUTO  
~XX60 n  
Format  
4:3-II  
n=10  
Edge masking  
Zoom  
H Image Shift  
V Image Shift  
V Keystone  
n = 0 - 10  
n=0-10  
n= -50 - +50  
n= -50 - +50  
n= -50 - +50  
~XX61 n  
~XX62 n  
~XX63 n  
~XX64 n  
~XX66 n  
P
P
P
P
P
F
F
F
F
F
DISPLAY  
DLP Link/VESA  
3D  
3D Mode  
3D->2D  
n=1/n=3  
~XX230 n  
P
P
F
F
2D->2D; 3D-  
>3D / 3D->L  
/3D->R  
3D / L / R  
~XX400 n  
n=0/n=1/n=2  
3D Settings  
SBS/Top and  
Bottom/Frame  
Sequential/  
Auto  
Decoding  
HDMI1.3 3D  
timing  
n=1/  
n=3/n=4/n=5  
3D Format  
~XX405 n  
3D Sync. Invert  
On/Off  
n=0/n=1  
n=1  
~XX231 n  
~XX70 n  
English  
German  
P
F
n=2  
French  
n=3  
Italian  
n=4  
Spanish  
n=5  
Portuguese  
Polish  
n=6  
n=7  
Dutch  
n=8  
Swedish  
n=9  
SETUP  
Language  
Norwegian/Danish  
Finnish  
Greek  
Traditional Chinese  
Simplified Chinese  
Japanese  
Korean  
Russian  
Hungarian  
Czech  
n=10  
n=11  
n=12  
n=13  
n=14  
n=15  
n=16  
n=17  
n=18  
n=19  
51  
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Appendices  
~
X
X
X
X
X
n
CR  
Lead Code  
Projector ID  
Command ID  
space  
variable  
carriage return  
Arabic  
Thai  
Turkish  
Farsi  
Front-Desktop  
Rear-Desktop  
Front-Ceiling  
Rear-Ceiling  
Top Left  
n=20  
n=21  
n=22  
n=23  
n=1  
n=2  
n=3  
n=4  
n=1  
Language  
~XX71 n  
~XX72 n  
P
P
F
F
Projection  
Top Right  
n=2  
Menu Location  
Centre  
n=3  
Bottom Left  
Bottom Right  
Automatic  
n=4  
n=5  
SETUP  
n=1/n=0  
n= -5 - +5  
n= 0 - 63  
n= -5 - +5  
n= -5 - +5  
nnnnnn  
Enable/Disable  
~XX91 n  
~XX73 n  
~XX74 n  
~XX75 n  
~XX76 n  
~XX77 n  
Frequency  
Phase  
P
P
P
P
P
F
F
F
F
F
Signal  
H. Position  
V. Position  
Security Timer  
Change Password  
Security  
Month/Day/Hour  
On/Off  
Security  
send back the password to confirm  
~XX78 n  
~XX79 n  
~XX310 n  
~XX80 n  
~XX81 n  
n=1/n=0 & 2  
n=00-99  
n=1/n=0 & 2  
n=1/n=0 & 2  
n=0-10  
P
P
P
P
P
F
F
F
F
F
Projector ID  
Internal Speaker  
Mute  
On/Off  
On/Off  
Volume  
P
Audio Input  
Source Lock  
High Altitude  
Information Hide  
Keypad Lock  
test Pattern  
Default/Audio/HDMI  
n=1/n=2/n=6  
n=1/n=0 & 2  
n=1/n=0 & 2  
n=1/n=0 & 2  
n=1/n=0 & 2  
n=0/n=1/n=2  
n=1  
~XX89 n  
~XX100 n  
~XX101 n  
~XX102 n  
~XX103 n  
~XX195 n  
~XX104 n  
F
F
F
F
F
On/Off  
On/Off  
On/Off  
P
P
P
P
On/Off  
None / Grid / White Pattern  
Blue  
Black  
P
F
n=2  
Background Color  
Red  
n=3  
Green  
n=4  
White  
n=5  
Direct Power On  
On/Off  
n=1/n=0 & 2  
~XX105 n  
~XX106 n  
P
F
Auto Power Off (min)  
n=0-180  
P
F
OPTIONS  
Advanced  
Sleep Timer (min)  
n=000-995  
~XX107 n  
P
F
Lamp Hour  
Lamp Reminder  
Brightness Mode  
n=1  
n=1/n=0 & 2  
n=1/n=2  
n=1  
~XX108 n  
~XX109 n  
~XX110 n  
~XX111 n  
nnnn  
P
P
F
F
F
F
On/Off  
Bright/STD  
Yes  
P
Lamp Reset  
No  
n=2  
n=1  
n=2  
~XX112 n  
P
Yes  
No  
F
Reset  
Information from Projector Automatically  
when:  
Standby Mode  
a=0  
a=1  
a=2  
a=3  
a=4  
a=5  
a=6  
a=7  
a=8  
INFOa  
INFOa  
INFOa  
INFOa  
Warming up  
Cooling Down  
Out of Range  
Lamp Fail  
Thermal Switch Error  
Fan Lock  
Over Temperature  
Lamp Hours Running Out  
READ/Return Information from projector  
Information  
n=1  
a=0/1  
bbbb  
c=00  
c=02  
c=04  
c=05  
c=07  
c=08  
dddd  
e=0  
~XX150 n  
Okabbbbccdddde  
a = Power State  
b = Lamp Hour  
c = Input Source Commands  
Off\On  
None  
VGA1  
S-Video  
Video  
HDMI1  
HDMI2  
d = Firmware Version  
e = Display mode  
None  
Presentation  
Bright  
e=1  
e=2  
Cinema  
User(1)  
e=11  
e=5  
ISF Day / Blackboard  
ISF Night / Classroom  
Game  
e=7  
e=8  
e=12  
e=9  
3D  
Model Name  
GT750 a=21  
n = 1  
~XX151 n  
Oka  
Depends  
a=0/1/2  
None/DVI/VGA-1/VGA-2/S-  
Video/Video/BNC/HDMI1/HDMI2/HDMI3/Wireles  
s/Component  
a=0/1/2/3/4/5/6/7/8/9/1  
0/11  
n=1  
n=1  
~XX121 n  
~XX122 n  
Oka  
Input Source Commands  
Software Version  
Okdddd  
None/Presentation(Cinema)/Bright/Movie(Photos  
)/sRGB(Reference)/User(1)/User2/ ISF  
Day(Backboard)/ISF  
n=1  
Oka  
a=0/1/2/5/7/8/9/10/11  
a=1/0  
Display Mode  
Power State  
Brightness  
Night(Classroom)/3D/Game/Cinema  
~XX123 n  
~XX124 n  
~XX125 n  
On/Off  
n=1  
n=1  
Oka  
Oka  
Contrast  
n=1  
~XX126 n  
Oka  
52  
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Appendices  
~
X
X
X
X
X
n
CR  
Lead Code  
Projector ID  
Command ID  
space  
variable  
carriage return  
a=1/2/3/5/6/7/10 for  
4:3/16:9-I/16:9-  
II(16:10)/LBX/Native/A  
4:3/16:9-I/16:9-  
II(16:10)/Window/LBX/Native/AutoAuto235/Super  
wide/4:3-II  
n=1  
~XX127 n  
Oka  
Oka  
uto/4:3-II  
Aspect Ratio  
a=0/1/2  
Warm/Medium/Cold  
Warm Medium Cold  
n=1  
Color Temperature  
~XX128 n  
a=0/1/2/3 for Front-  
Desktop/Rear-Desktop  
/Front-Ceiling/Rear-  
Ceiling  
Front-Desktop Rear-Desktop Front-Ceiling  
n=1  
Oka  
Okn  
Rear-Ceiling  
Projection Mode  
~XX129 n  
~XX503  
́ˍ˃˂˄ː˅˗˂ˆ˗  
Output 3D State  
n : 0/1 = 2D/3D  
53  
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Appendices  
Ceiling Mount Installation  
1. To prevent damage to your projector, please use the  
Optoma ceiling mount.  
2. If you wish to use a third party ceiling mount kit, please  
ensure the screws used to attach a mount to the projector  
meet the following specifications:  
Screw type: M3*3  
Maximum screw length: 10mm  
Minimum screw length: 7.5mm  
Please note that  
damage resulting  
from incorrect  
installation will void  
the warranty.  
Warning:  
1. If you buy a ceiling  
mount from another  
company, please  
be sure to use the  
correct screw size.  
Screw size will vary  
depending on the  
thickness of the  
72.05  
76.40  
89.75  
mounting plate.  
110.00  
137.20  
2. Be sure to keep  
at least 10 cm gap  
between the ceiling  
and the bottom of the  
projector.  
55.00  
3. Avoid installing the  
projector near a heat  
source.  
59.00  
89.75  
Unit: mm  
Lens  
323.60  
54  
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Appendices  
Optoma Global Offices  
For service or support please contact your local office.  
USA  
3178 Laurelview Ct.  
888-289-6786  
Fremont, CA 94538, USA  
510-897-8601  
Canada  
2420 Meadowpine Blvd., Suite #105  
Mississauga, ON, L5N 6S2, Canada  
888-289-6786  
510-897-8601  
Europe  
42 Caxton Way, The Watford Business Park  
Watford, Hertfordshire,  
WD18 8QZ, UK  
+44 (0) 1923 691 800  
+44 (0) 1923 691 888  
Service Tel : +44 (0)1923 691865  
France  
Bâtiment E  
+33 1 41 46 12 20  
+33 1 41 46 94 35  
81-83 avenue Edouard Vaillant  
92100 Boulogne Billancourt, France  
Spain  
C/ José Hierro,36 Of. 1C  
28522 Rivas VaciaMadrid,  
Spain  
+34 91 499 06 06  
+34 91 670 08 32  
Deutschland  
Wiesenstrasse 21 W  
D40549 Düsseldorf,  
Germany  
+49 (0) 211 506 6670  
+49 (0) 211 506 66799  
Scandinavia  
Lerpeveien 25  
3040 Drammen  
Norway  
+47 32 98 89 90  
+47 32 98 89 99  
PO.BOX 9515  
3038 Drammen  
Norway  
55  
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Appendices  
Benelux BV  
Randstad 22-123  
1316 BW Almere  
The Netherlands  
+31 (0) 36 820 0253  
+31 (0) 36 548 9052  
Latin America  
3178 Laurelview Ct.  
888-289-6786  
Fremont, CA 94538, USA  
510-897-8601  
Korea  
WOOMI TECH.CO.,LTD.  
4F,Minu Bldg.33-14, Kangnam-Ku,  
seoul,135-815, KOREA  
+82+2+34430004  
+82+2+34430005  
Japan  
東京都足立区綾瀬3-25-18  
株式会社オーエスエム  
サポートセンター:0120-46-5040  
Taiwan  
5F., No. 108, Minchiuan Rd.  
Shindian City,  
+886-2-2218-2360  
+886-2-2218-2313  
Taipei Taiwan 231, R.O.C.  
asia.optoma.com  
Hong Kong  
Unit A, 27/F Dragon Centre,  
79 Wing Hong Street,  
Cheung Sha Wan,  
+852-2396-8968  
+852-2370-1222  
Kowloon, Hong Kong  
China  
5F, No. 1205, Kaixuan Rd.,  
Changning District  
Shanghai, 200052, China  
+86-21-62947376  
+86-21-62947375  
56  
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Appendices  
Regulation & Safety Notices  
This appendix lists the general notices of your projector.  
FCC notice  
This device has been tested and found to comply with the  
limits for a Class B digital device pursuant to Part 15 of the  
FCC rules. These limits are designed to provide reasonable  
protection against harmful interference in a residential  
installation. This device generates, uses and can radiate radio  
frequency energy and, if not installed and used in accordance  
with the instructions, may cause harmful interference to radio  
communications.  
However, there is no guarantee that interference will not  
occur in a particular installation. If this device does cause  
harmful interference to radio or television reception, which can  
be determined by turning the device off and on, the user is  
encouraged to try to correct the interference by one or more of  
the following measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the device and receiver.  
• Connect the device into an outlet on a circuit different  
from that to which the receiver is connected.  
• Consult the dealer or an experienced radio/television  
technician for help.  
Notice: Shielded cables  
All connections to other computing devices must be  
made using shielded cables to maintain compliance with  
FCC regulations.  
Caution  
Changes or modifications not expressly approved by the  
manufacturer could void the user’s authority, which is  
granted by the Federal Communications Commission, to  
operate this projector.  
57  
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Appendices  
Operation conditions  
This device complies with Part 15 of the FCC Rules. Operation  
is subject to the following two conditions:  
1. This device may not cause harmful interference and  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
Notice: Canadian users  
This Class B digital apparatus complies with Canadian  
ICES-003.  
Remarque à l’intention des utilisateurs  
canadiens  
Cet appareil numerique de la classe B est conforme a la  
norme  
NMB-003 du Canada.  
Declaration of Conformity for EU  
countries  
• EMC Directive 2004/108/EC (including amendments)  
• Low Voltage Directive 2006/95/EC  
• R & TTE Directive 1999/5/EC (if product has RF function)  
Disposal instructions  
Do not throw this electronic device into the  
trash when discarding. To minimize pollution  
and ensure utmost protection of the global  
environment, please recycle it.  
58  
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