I have a 508 and have on three occasions lately tried to set a timer for a show on one of the preview channels (Encore Action to be precise). Every time it appears the timer is set properly, but the program doesn't record. Anyone else encountering problems recording on a preview channel...

I know I have seen something about this somewhere, but I can't find it. My 508 has started doing this recently. Sometimes when I press a button on the remote, it seems like the button sticks, although there is no physical indication of a stuck button. If I am entering an unlock code, the same...