Optoma Projector Ex525st 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 
by   key.
4.  Select the next item to be adjusted in the sub menu and adjust as 
described above.
5. Press “Enter” to confi  rm, 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
Setting 
						

							
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Menu Tree
	(*) “Signal” menu is only supported in Analog VGA (RGB) signal.* 
						

							
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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.
 Movie: For home theater.
 sRGB: Standardised accurate color.
 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 own settings.
  Brightness
Adjust the brightness of the image.
  Press the  to darken image.
  Press the  to lighten the image.
  Contrast
The contrast controls the degree of difference between the lightest 
and darkest parts of the picture. Adjusting the contrast changes the 
amount of black and white in the image.
  Press the  to decrease the contrast.
  Press the  to increase the contrast. 
						

							
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  Color
Select  the  Red/Green/Blue  Gain  for  brightness  adjustments  and 
Bias  for  contrast  adjustments  for  the  whole  picture.  Individual 
color adjustments for Cyan, Magenta, Yellow can also be adjusted.
  Reset
Choose “Yes” to return the factory default settings for color adjustments.
Image | Color
Image
  Sharpness 
Adjust the sharpness of the image.
  Press the  to decrease the sharpness.
  Press the  to increase the sharpness.  
						

							
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Image | Advanced
 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.
  PC: for PC or computer source.
  White Peaking
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.
 Color Temp.
Adjust the color temperature. With cold temperature, the screen 
looks colder; with warm temperature, the screen looks warmer. 
 Color Space
Select an appropriate color matrix type from AUTO, RGB or YUV. 
						

							
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Image | Advanced
  Input Source
Enable input sources. Press “” into the next menu as below and 
then use  or  to select. Press “Enter” to fi  nalize the selection. 
The projector will not search inputs that are de-selected. 
						

							
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Display
 Format
Use this function to choose your desired aspect ratio.
  4:3: This format is for 4x3 input sources not enhanced for Wide 
screen TV.
  16:9 I: This format is for 16x9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (Better format: 576i/p)
  16:9 II: This format is for 16x9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (Better format: 480i/p)
  Window: When a 4:3 image is bigger than a 16:9 screen, select 
the “Window” mode to fit the image onto the screen without 
changing the projection distance.
  AUTO: Automatically selects the appropriate display format.
Source480i/p576i/p720p1080iPC
4:3Scale to 1024 x 768
16:9 IScale to 1024 x 576
16:9 IIScale to   854 x 480
WindowScale to   768 x 576 
						

							
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window format
LBX     format
16:9-I   formator
or16:9-II  format
4:3     format

Input Signal
Display area
Picture area
Display on Screen 
						

							
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  Overscan
Overscan  function  removes  the  noise  in  a  video  image.  Overscan the  image  to  remove  video  encoding  noise  on  the  edge  of  video 
source.
  Zoom
  Press the  to reduce the size of an image.
  Press the  to magnify an image on the projection screen.
  H Image Shift
Shift the projected image position horizontally.  
  V Image Shift
Shift the projected image position vertically. 
 V Keystone
Press the  or  to adjust image distortion vertically and makes a 
squarer image. 
Display 
						

							
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  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 fi  nalize the selection. 
Setup | Language