I have a 1TB external drive hooked up to my 622 and when setting up a recording I have the option of EXT along with DVR R-tune and reminder. I thought that it would record straight to the external hard drive using EXT but it doesn't seem to do anything. It will let me set the recording, and will record but the recording shows up nowhere, not on the receiver or the external hard drive. Has anyone else tried this? Am I missing something?