Sony VGC-LT10E User Manual page 60

To connect to an antenna (air) for digital television system (ATSC signal standard)
If you have an antenna for receiving the over-the-air signals transmitted by a digital TV broadcasting system, you can connect
it to receive these signals for digital televisions, for example high definition TVs.
1 Connect one end of the TV coaxial cable (1) (supplied) to an ATSC antenna (not supplied) (2).
2 Connect the other end to the HDTV/ATSC input port (3) on the computer.
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Using Your VAIO Computer