Backlight does not work.
  

Please refer to the picture.
If back light doesn't work it should get the repair service.



AhmedH.Shebe Display on my Ultrascan Pro has very little contrast, making difficult to see the text.  
2011-02-22 오후 2:40:00  

Rio Adjust the contrast using the knob on the right side of the product.
Should the contrast is not adjustable, ask for after sales Service.

  
2011-02-22 오후 2:54:00  
 

15 | 2/2    
5 Product   How can i know OS version? 4241
4 Update   Due to error of wdapi1011.dll on HostPro. 6497
3 Product   DTC (Diagnostic Trouble Code) is not erased. 4228
2 Product   Display is too dark. 3454
Product   Backlight does not work. [2] 3927
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