On Tue, Dec 1, 2009 at 3:48 PM, Jon Delfin <[email protected]> wrote: > So how does the DVR know when the television is on? The DVR's power is > always on. When it was running Passport OS, both the foreground and > background tuners maintained an hour's worth of buffer. Now, with > Navigator OS, when I turn on the television, the foreground buffer is > (almost always, but *not* always, which is even more weird) empty, and > the background buffer is empty. > > Can anyone explain? Thanks.
Probably some sub-frequency sent through the coax (frequency may not be the right word) that detects an active monitor/TV. Not unlike the method of detection used to identify a VCR attempting to record a copyrighted DVD. If it is plugged in and on... it just knows. -- Kevin M. (RPCV) -- TV or Not TV .... The Smartest (TV) People! You received this message because you are subscribed to the Google Groups "TV or Not TV" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tvornottv?hl=en
