Optoma Projector Ew628 User Manual

2English

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...

22English

User Controls

Menu Tree 

23English

User Controls

Image
 Display Mode
There are many factory preset 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.
 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...

24English

User Controls

Image
 Saturation
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.
	“Saturation” and “Tint” functions are only supported under video source. 

25English

User Controls

Image | Color
 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. 

26English

User Controls

Image | Advanced
 Degamma
Allow 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”...

27English

User Controls

 Image AI
Image AI improves the contrast of the picture by optimizing the 
brightness of the lamp according to the picture content. 
  On: The dynamic image performance manager is active in 
making sure your greatest pleasure from seeing a movie 
dynamically with the most dark details revealed, vivid and 
bright image performed all the way.
  Off: The dynamic image performance manager is on standby. 
Image | Advanced 

28English

User Controls

Image | Advanced
 Input Source
Enable input sources. Press “” 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. 

29English

User Controls

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.
  16:10: This format is for 16x10 input sources, like HDTV and 
DVD enhanced for Wide screen TV.  
  16:9: This format is for 16x9 input sources, like HDTV and DVD 
enhanced for Wide screen TV.
  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...

30English

User Controls

LBX     format

16:9     formator

16:10    formator

4:3     format

Input Signal
Display area
Picture area
Display on Screen
 Detail information about LBX mode :
  1)   Some Letter-Box DVD contents are not enhanced for 16x9 TV, 
then image will not look right in 16:9 display. 
    One can use 4:3 mode to view the correct info. 
    But if the content itself is not 4:3, it will have black bars around 
the image in a 16:9 display. For this kind of content, you can 
use LBX mode...