A:Answer Hi Brianm66,
Make sure that you enable the control for HDMI setting on your TV. Also, check the audio settings of your TV and switch TV speakers to audio system. See link below for more details regarding with your concern.
https://www.sony.com/electronics/support/home-theater-sound-bars-home-theater-systems/ht-ct290/articles/00173195
Happy to help,
David