have the converter between a Sky-Receiver and a 2D plasma TV from LG (1 year old) switched, have let the Sky 3D transmitter Extra unlock it. Result: There was only a double image into being next to each other, after the switching of the converter were from the 2 images 4 pictures but no 3D image Next try: the converter was between an older Premiere Receiver Humax HD and 2D Philipps LCD flat screen TV connected the same negative result the supplier was lt. telef. consultation surprised. the converter was returned immediately; a credit to Amazon, the refund of the purchase price was paid immediately