The perfect steak starts with the perfect cut…ask for meat with a marbled fat distribution and approximately 1″ thick. The fat acts as a natural tenderizer while cooking and will keep the meat moist and juicy. Pre-heat your grill with lid closed for 5-10 minutes. Place your steak over the infra- red for approximately 2 minutes on both sides; this will sear in all the juices it will also give you the perfect rare steak. For medium move your steak over to the tube burner side and cook for a little longer, approximately 4 minutes, for well done cook over the tube burners for approximately 6 more minutes. For further infra-red grilling instructions follow the grilling chart in your manual.
This video should help too.