You can use a HDMI to RCA cable and plug it into the Hegal. Something like this will do the trick!
https://www.amazon.com/s/?ie=UTF8&keywords=hdmi+with+rca+cable&tag=googhydr-20&index=aps...
https://www.amazon.com/s/?ie=UTF8&keywords=hdmi+with+rca+cable&tag=googhydr-20&index=aps...