Thefirst problem I encountered was that Vizio said in the "Channel Scan" instructions that the process should only take a few minutes. That is very misleading since depending upon the number of channels involved, it can take much longer than a "few minutes", as you will see below. With the input set to "cable", I started my channel

Stepnumber 2, select SET UP up on the menu. Step number 3, Select ANTENNA or TUNER, and then, CHANNEL SCAN, OR AUTO TUNE. Your TV will automatically rescan the available signals. "Every TV has it
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By Maya Austen. You can pick up local TV channels for free with some additional equipment hooked up to your television. Any television set hooked up to a cable or satellite box is unaffected by the changes brought about by the transition to all digital TV.

ChooseNo, channels 3 and 4 are not required if you are using coax without a cable box (digital channels over coax that the digital TV tuner finds). Choose Yes if your cable box uses a coax output

. #2. The E55 has only an analogue tuner so is unable to pick up any digital broadcasts which are the only thing broadcast now. Analogue transmissions were broadcast alongside the digital signals for some time which will be why you remember using both systems simultaneously but they have now been switched off.