Hi @nottechnically,
a). Check that the TV antenna is plugged into the ''Ant A'' input on the back of the TV. (see image below)
[image|2027327]
(click on image to enlarge for better viewing).
b). Ensure that the ''Ant A'' input is turned ON. Go to ''Main Menu > Set Up Menu > Input Assignment Menu'' (see image below green boxes)
c). Scan for available TV channels using the ''Memorize Channels'' feature. Go to ''Main Menu > Memorize Channels'' (see image below red boxes)
[image|2027328]
(click on image to enlarge for better viewing).
Here’s a link to the [http://pdfstream.manualsonline.com/6/6712b348-e4e9-4046-a059-a07275fa7c69.pdf|user manual] if you need to know any further information.
Be aware that the Clear Antenna will only receive free OTA (over the air) TV channels and not cable TV channels.