Press Live guide, then enter. You can set to favories. On your channels list, you press thumbs up for each of those channels you want for your favorites.
Original S1 (Recycle Heaven)
Series 2 (PLS, sold)
TiVo HD (XL, PLS, "652")
Juliet Basic (4XL, PLS)
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!