Optoma Projector Ep783s User Manual

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User Controls
Re-Sync Automatically synchronizes the projector to the 
input source.
KeystoneAdjusts image distortion caused by tilting the 
projector.
AV MuteMomentarily turns off/on the audio and video. 
FreezePress “Freeze” to pause the screen image. Press 
this button again to unlock.
Volume +/-Adjusts to increase/decrease the volume.
Display Mode Select the display mode from Presentation, 
Bright, Movie, sRGB, User1 and User2.
 Zoom inZoom in to magnify the digital image.
 Zoom...

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User Controls
HDMI Press “HDMI” to choose source from HDMI 
connector.
BNC Press “BNC” to choose source from YPbPr/RG-
BHV connector.
DVIPress “DVI” to choose source from DVI-D 
source.
VGA-1Press “VGA-1” to choose source from VGA-1/
SCART-1 connector.
Numerical But-
tons
Press “0~9” to input a password in the “Secu-
rity settings”.
S-VideoPress “S-Video” to choose S-Video source.
VGA-2Press “VGA-2” to choose source from VGA-2/
SCART-2 connector.
VideoPress “Video” to choose...

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User Controls
The Projector has a multi-lingual On-Screen Display menu which 
allows adjustments to the projector settings. The projector will auto-
matically 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...

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User Controls
Menu Tree
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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.
 Movie: For home theater.
 sRGB: Standardized accurate color.
  User1: User’s own settings.
  User2: The initial default settings of this mode is from Movie 
mode. Any further adjustments by the user in User2 will be 
saved in this mode for future use.
 Brightness
Adjust the...

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User Controls
 Color
Adjust the Red, Green, Blue, Cyan, Magenta and Yellow colors or 
returns to the factory default settings for advanced adjustment of 
the individual colors. Every colors can be adjusted as below.
 ■ Hue
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.
 ■ Saturation
Adjust a video image from black and white to fully saturated 
color.
 Press the  to...

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User Controls
 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...

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User Controls
 Color Space
Select an appropriate color matrix type from AUTO, RGB or YUV.
 Input Source
Enable input sources. Press  or  into the next menu as below and 
then use  or  to select. Press “Enter” to finalize the selection. 
The projector will not search inputs that are de-selected. 

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User Controls
 Edge Enhancement (*)
You can use the “Off”, 1~5 to adjust the Edge Enhancement in the 
image. 
 Color Vividness (*)
This adjustable item utilizes a new color-processing algorithm and 
enhancements to enable the picture’s vividness to be significantly 
increased.
 B/W Extension (*)
Black and White Extension can stretch the black and white levels to 
automatically increase the contrast of input image. There are many  
preset modes that allow the user to obtain different...

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User Controls
 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. (576i/p)
  16:9 II: This format is for 16x9 input sources, like HDTV and 
DVD enhanced for Wide screen TV.(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...