We had new digital antenna installed today but it just comes up on screen that says no signal
When installing a new antenna, a TV will often need retuning in order to operate with the new antenna.
Using your remote, access the TV's menu (settings as oppose to TV guide) and you should be able to access a tuning menu, this may be located in Picture, or have its own section.
Select the setting for automatic tuning and you should find that the TV uses the new antenna to find its channels.
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