you try: 1 Open the cover. 2 Find JP1(J1) and short circuit it with a jumper or screwdriver. Connect to the PC and wait for the device to be detected (the LINK LED will light), then remove the short circuit from JP1(J1). 3 Enter the software and wait for it to complete initiation. 4 Choose System Update from the Help menu and wait for it to finish. 5 Take out USB connecting cable, assemble it, reconnect it and enter the software again.
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