The TV user guide should provide the procedures of acquiring auto scan. For example, your TV may be acquiring functionality from satellites dishs or cable receiver devices. Performing an auto scan achievable with the remote control device with adjustment to settings on the channel buttons would produce a signal only with available transmitter stations. Performing a channel auto scan would display no signals without available receiver devices often acquired with susbscription from a provder either cable TV, sattelite or disk network, show on demand for example. However, performing an auto scan on a new Tv should simply display a count list of possible available channels on which signals could be display when any is provided. Good luck
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