I've seen this happen a few times and most of those times it turned out that that a security light or some other light source was getting into the infrared sensors on front of the device. this usually occurs after just recently rearranging furniture and tv locations. it can also be kind of spooky. this also happens in the daytime when the sun is shining on the unit in question.
I got dishnet works vip722dvr receiver. I turn off the receiver at night, many times at night the tv comes on by its self. It then shows the dishnetwork logoand all the things I have with it. I shut it off it vcomes back on. how do I stop this?