Noris, thanks for your response. It put me in the right direction. Still, I couldn’t figure it out on my own. So, since my router is a Netgear Orbi, I contacted their tech support, and paid a tech support fee for their assistance. It was a worthwhile expense. ARC is now configured and working properly. It’s great!
One last question. Radio stations are not available through ARC. I imagine there’s a good reason for this, but just wondering if that is possible, or not, in the future…
Thank you for your help.