How can I best use the functions "Auto Brightness", "Auto Contrast" and "Auto Color"?

"Auto Brightness", "Auto Contrast" and "Auto Color" of PhotoNow are convenient for users to automatically modify photo images. Users don!|t have to learn sophisticated image painting tool to retouch photos. 

• "Auto Contrast" is most suitable for one image file without intensive contrast levels on it.
• "Auto Color" is most suitable for one image file without abundantly keen colors on it.
• "Auto Brightness"!‥ is most suitable for one image file without intensive brightness level on it.

If you feel some photos require further retouching, just click on "Advanced Editing" to launch "PhotoNow" and make these changes manually.