I have a playbar connected to a directv genie box with an optical audio cable. Once I program my genie remote to the playbar all of the buttons (volume up, volume down, and mute) all increase the volume. I checked Sonos "How to program common cable boxes" page. But the menu steps Sonos wants me to follow aren't available on my screen. Specifically "Setup program audio device" and "Follow OSD and learn in Denon......" Steps. I recently switched from a led tv to a projector so I don't know if that is part of the problem.