DIRECTV DVR with TiVo Discussion
I can confirm that the thr22 uses the USB port with a serial USB connector to use rs232 commands. I can also confirm that the MSC-400 works with the thr22. Although there are about 6 keys that are buggy. They are: up, down, left, right, ch +, ch -. I'll explain.
Up & down: within menus or...