Typical scenario: put the channel on the news, playback a show from the list, end the playback back up the buffer to the start of the news and skip the commercials. Lately, this release? when I exit the playback the buffer is gone. Nothing else is recording, the tuned channel should have it's own tuner. The other receiver is an H25 and shouldn't use a tuner. Happens even if the H25 is off. I really liked that let the buffer build up ability. What gives?