Optoma Gt750 Xl Projector User Manual

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User Controls
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   keys to select the desired...

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User Controls
Menu Tree
GT750 OSD Menu Tree.xls
Main Menu Sub MenuSettings
ImageDisplay Mode
Brightness-50 ~ +50
Contrast -50 ~ +50
Sharpness 1~15
Color -50 ~ +50
Tint -50 ~ +50
Advanced Gamma Film / Video / Graphics / Standard
0~10
Color Temp. Warm / Medium / Cold
Color
Color Space AUTO / RGB / YUV
AUTO / RGB (0-255) / RGB (16-235) / YUV
Input Source VGA / S-Video / Video / HDMI 1 / HDMI 2
Exit
DisplayFormat
Edge Mask 0~10
Zoom -5 ~ +25
V Image Shift -50 ~ +50
V Keystone -40 ~ +40
3D 3D Mode...

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User Controls
	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.
GT750 OSD Menu Tree.xls
Main Menu Sub MenuSettings
SetupSecuritySecurity On / Off
Security Timer Month / Day / Hour
Change Password ³...

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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...

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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.
  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...

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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...

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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.
  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...

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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...

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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. 
In this situation, please try to using the 4:3 mode to view the 
DVD.
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...

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English
User Controls
   “3D sync. Invert” function wouldn’t 
save the setting. 
It will set to “Off” 
when powers on and 
changes source.

   3D Format is only supported on 3D 
Timing on page 49.
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).
  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...