Apple TV will not allow me to turn the Home Theatre Option ON
The option to turn switch the option on the home theatre option from Off to On is greyed out and will not allow me to change it.
Question marked as
I shouldn't have to purchase a set of HomePod speakers …
Of course you don’t have to; not at all. But the related article (where you came from) describes the use of HomePod speakers with Apple TV. And your initial question didn’t give me clues for a different kind of setup.
For use with third party external audio systems like AV receivers, the use is described in other support documents:
- Set up Dolby Atmos or surround sound on Apple TV with a sound bar or AV receiver - Apple Support
- Play audio in Dolby Atmos or surround sound on your Apple TV - Apple Support
… 3 remotes rather than one.
If this is about powering on|off other HDMI devices, then that is done through HDMI-CEC. Verify that this function is activated on all your HDMI devices in the setup.
For Apple TV: Settings﹥Remotes and Devices﹥Control TVs and Receivers﹥On
For your TV and audio system: See their manuals. Some brands may have their own trade name for CEC.
Select audio systems may support volume control over CEC from connected devices. If not, then the Siri Remote will send IR signals to an IR receptor on the audio system or TV. This can be configured on Apple TV in Settings﹥Remotes and Devices﹥Volume Control﹥…