Optoma Gt720 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 item and adjust the settings 
using 
  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.
On-screen Display Menus
Main Menu
Sub Menu Settings        
						

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User Controls
Menu Tree
Main Menu Sub Menu
Display Mode Cinema / Bright / Presentation / Game / 
Blackboard / Classroom / User  / 3D
Contrast
Brightness  
#1Color #1Tint
Sharpness
AdvancedBrilliantColor™ 0-10
Gamma Film / Video / Graphics / Standard
Color Temp. Warm / Medium / Cold
Color Settings Red Gain / Green Gain / Blue Gain / Red 
Bias / Green Bias / Blue Bias / Reset / Exit
Color Space AUTO / RGB / YCbCr
Input Source VGA / Video / S-Video / HDMI
Exit
Format
#24:3 / 16:9-l / 16:9-ll / Native / AUTO#34:3 / 16:9 / 16:10 / Native / AUTO
Overscan -10 ~ +40
Edge Mask 0~10
V Image Shift -50 ~ +50
V Keystone  -40 ~ +40
3D 3D Mode Off / DLP-Link / IR
#43D Sync. Invert On / Off
SETUPLanguage
English / Deutsch / Français / Italiano / 
Español / Português / Svenska / 
Nederlands / Norsk/Dansk / Polski / 
Jmkkdbc / 
0 / Magyar /  ýeština /
  ò‘®Ë  / 
ïm® / Nžÿm® / ²! / 
‚VQ / Türkçe
Projection
Menu Location
Security Security On / Off
Timer-Month 0-12
Timer-Day 0-30
Timer-Hour 0-24
Change Password  
Exit
#5Signal Automatic Enable / Disable
Phase (VGA)
Frequency (VGA)  
H. Position (VGA)  
V. Position (VGA)  
Exit
Projector ID 00~99
Mute On / Off
Volume 0~10
Wireless On / Off
IMAGE
DISPLAY
Settings 
						

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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 SVGA only.
	 (
#3) For WXGA only
	 (
#4) “3D Sync Invert” is only available when using DLP Link mode. 
	 (
#5) “Signal” is only supported in Analog VGA (RGB) signal.
Main Menu Sub Menu Settings
Source Lock
On / Off
High Altitude On / Off
Information Hide On / Off
Keypad Lock On / Off
Background Color Black / Red / Blue / Green / White
Test Pattern None / Grid / White Pattern
Advanced Direct Power On On / Off
Auto Power Off (min) 0-180
Sleep Timer (min) 0-995
Exit
Lamp Settings Lamp Hours Lamp Reminder On / Off
Brightness Mode STD / BRIGHT
Lamp Reset  Yes/No
Exit
ResetOPTIONS 
						

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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: The initial default setting of this mode is DLP-Link.   
Any further adjustments 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.
 
  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. 
	 “Color” and “Tint” 
functions are only 
supported under 
Video mode.       
						

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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 provid -
ing 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 mini -
mum setting.
  Degamma
This allows you to choose a degamma table that has been   
fine-tuned to bring out the best image quality for the input.
 
  Film: for home theater.
 
 Video: for video or TV source.
 
 Graphics: for image source.
 
  Standard: for PC or computer source.
  Color Temp
Adjust the color temperature. With cold temperature, the screen looks 
colder; with warm temperature, the screen looks warmer. 
						

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User Controls
 Color Setting
Press  into  the  next  menu  as  below  and  then  use  or  
  to 
select item. Use 
  or  to select Red, Green, or Blue for brightness 
(Gain) and contrast (Bias).
  Color Space
Select an appropriate color matrix type from AUTO, RGB 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.
SVGA
 
 4:3:  This format is for 4×3 input sources.
 
 16:9-I: This format is for 16×9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (576i/p)
  16:9-II: This format is for 16×9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (480i/p)
  Native: This format displays the original image without any 
scaling.
  AUTO: Automatically selects the appropriate display format.
Aspect ratio
(source detected)  Resize image
SVGA model
4:3 800 x 600 center
16:9-I 800 x 450 center
16:9-II 854 x 480 center, 
only display 800  x 480
Native Resize image of native change 
to above description not pixels  resolution. 
  
						

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User Controls
WXGA
 
 4:3:  This format is for 4×3 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.
  Native: This format displays the original image without any 
scaling.
  AUTO: Automatically selects the appropriate display format.
Aspect ratio
(source detected)  Resize image
WXGA model
4:3 1067 x 800 center
16:9 1280 x 720 center
16:10 1280 x 800 center
Native Resize image of native change 
to above description not pixels  resolution.
 Overscan
Overscan function removes the noise in a video image. Overscan 
the image to remove video encoding noise on the edge of video 
source.
 Edge Mask
  Press the  to reduce the size of an image.
 
  Press the  to magnify an image on the projection screen.
  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 .
	Each I/O has 
different setting of 
“Overscan”.
	“Overscan” and 
“Edge Mask” can’t 
work at same 
time.     
						

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User Controls
   3D Mode
  Off:  Select “Off” to turn 3D settings off for 3D images.
 
 DLP Link: Select “DLP Link” to use optimized settings for DLP 
Link 3D images.
 
 IR: Select “IR” to use optimized settings for IR-based 3D 
glasses.
  3D Sync. Invert

  Press the “On” to invert left and right frame contents.
 Press the “Off” for default frame contents. 
	“IR” options may 
vary according to 
model.
	
“3D Sync Invert” is 
only available when 
using DLP Link 
mode.
DISPLAY | 3D