Vision camera kit

Excuse my english. How is de conecction between the vision camera kit and the PC?.
USB between Uarm and PC? USB between Mega 2560 and PC?
I have tried both and the Open MV IDE doesnt recognize the camera. It only flashes blue light

Thanks

Hi, please check the page 3 of this pdf: http://download.ufactory.cc/docs/en/Vision_Camera_Kit_User_Maunal_V1.6.pdf