I thought the 522 I had in the past operated in a manner that it was ALWAYS recording whatever channel it was tuned to, even when you were watching a pre-recorded show. For example, if I'm tuned to Discovery and go into the DVR menu and watch something, it will continue to record Discovery in the background such that when I stop watching the pre-recorded show and go back to Discovery, I could rewind (up to one hour). Did the 522 work like that ?? I recall that the owner's manual even emphasized this but don't remember reading anything of the sort in the 622's manual.
My HD-DVR from Time Warner did operate this way too and it was really nice. Another example was watching ER by pausing it right at the beginning and waiting 15-20 minutes to start watching it. When the show was over and you want to watch the 11pm news, yes, you'd likely jump to "live" but you could rewind to the beginning of the news. Seems I can't do that now.
My HD-DVR from Time Warner did operate this way too and it was really nice. Another example was watching ER by pausing it right at the beginning and waiting 15-20 minutes to start watching it. When the show was over and you want to watch the 11pm news, yes, you'd likely jump to "live" but you could rewind to the beginning of the news. Seems I can't do that now.