Regular RCA Cables do not work well with the mymatrixtv.com device, mymatrixtv.com recommend that you use component cables. They are colored Green, Blue, and Red.
Do not worry you still can turn your television with the RCA inputs into a smart TV simply follow these simple steps
Green connector goes to the Yellow port
Blue connector goes to the White port
Red connector goes to the Red port
You will need to set your aspect ratio on your television set if you have that option. And you will need to set your display on your mymatrixtv.com device to do this simply follow the link below