Can you tell me definitively what the resolution of the camera on the JD Robot is? Information online suggests it is 640x480, but when first connecting in ARC the resolution defaults to 320x240. This can be changed to 640x480 with the connection controls, but I do not really see any difference in the image when it is increased. Also, if the camera is set to 640x480 then face detection completely stops working (and the main reason I wanted the higher resolution was in an attempt to improve the distance at which the face detection would potentially work). Any advice / info would be appreciated.