have a TV (KabelBW receiver) and a DVD player. Manual switching works flawlessly. When I look TV and DVD player turn on and abspiele, the device switches automatically. However, in this case the audio track will be forgotten. ie I have to get up and manually once to the TV and then switch back to DVD .... then the audio track is also back. From DVD to TV I can not switch back from the couch. No matter how many buttons I at the receiver KabelBW press. In the end it is so ,, that you always have to manually press the switch .. Automates via the remote control, it is not running. Advantage of the switch box: you have no more cable replugging .... drawback: you have to get up still.