It stays on with the Amazon FIreTV.
The Audysey speaker setup runs and reports the speakers are good, otherwise I would think something along those lines too.
And it's not all the time. Sometimes after turning the DirectTV on and off, turning the receiver on and off -- enough to really annoy...
I just upgraded from an Onkyo 7.2/1080p system to a Denon system that is 9.2/4k capable.
Should have been a _really_ nice bump in performance.... except....
We have an Amazon FireTV Cube and a DirectTV receiver. That's all we really use.
Even the old Onkyo you could pick up the Amazon...