Samsung VR8460 VHS/S-VHS playback VCR "tv keep showing digital channel" Questions

...TV & VCR allowing you to record while you watch a different show... keep in mind this won't work for digital channels which if I'm not mistaken comcast has already converted all channels ...

...keep tv on channel 3, the recorder on channel 3 and the digital box on the channel you want recorded. Do I have to leave all 3 devices turned on? You do not need to leave the TV on. To get the ...