Most TV remotes have a button that lets you toggle between the last two channels you have been watching, say for example two sporting events. Those channels may change over time. Is there a way to program the X1 to do that? I asked support and their response was how to program buttons to tune to specific channels but that does not answer the question since the channels you toggle between may change during the day. For example the early football games may be on ABC and CBS and the evening football games maybe on Fox and NBC. I tried to program it from my oold remote but that did not work. Thanks.