Hi. Just bought this dvd player, and tried to use the USB port with a memory stick and some downloaded files from stage6. The problem I have is that files marked with 720 x 480 resolution give a message: "video resolution not supported". However I've read in this and other forums that 720 x 480 is supported by the usb port...can someone help me on this? Irregular formats like 720 x 406 played well, but I need 720 x 480 to work, if it is feasible. Thanks!