It looks like DJI has updated the user manual today. Why do they keep the same version numbers (that's just too funny). On the front page of the pdf it says "March 21, 2014 Revision". I̶ ̶h̶a̶v̶e̶ ̶n̶o̶t̶ ̶c̶o̶m̶p̶a̶r̶e̶d̶ ̶i̶t̶ ̶y̶e̶t̶.
http://www.dji.com/product/phantom-2-vision/download
http://www.dji.com/product/phantom-2-vision/download