Just adding a bit more on flashing and re programing, there are dangers and that can become expensive, this applies to test equipment or the article under going the update or re programing, it does not take more than 1 missing BIT.
I have seen where the car has not had a back up power supply while doing work on the car and the program crashes wiping out all data in the car taking it back to the basic run set up, and that is not funny on a CDI where every injector has to be programed back in.
My own Command will not communicate with STAR but as it all works it can stay that way
I have never used the TV in mine, though I will add a digi box, just because if it is out there,I want it, even if I never use it, how sad can you get.