Hello, what do I need to do? I have the Mini combined subscription. New customer. I only get ONE of the TV channels. SRF1. Set to HDM1. Plugged into HDM1 on the TV. But I also have to switch it back to HDM1 in some cases. If I keep zapping, to the next, to the next, only black, with the message no signal, bad signal. I looked to see which channel. NOT HDM1 BUT TV. Why does it automatically change the CHANNEL? What can I do? Cincilla, who knows what to do?