Sony Vaio VGN-AR300 Series User Manual page 54

To connect in CATV mode (Option 2)
1 Connect the two metal hooks on a 75-ohm/300-ohm RCA transformer cable (1) (not supplied) to the screw-type grips at
your cable service access (wall outlet) (2).
2 Connect one end of a TV coaxial cable (3) to the transformer end of the RCA transformer cable (1). Connect the other
end to the VHF/UHF port (4) on the computer.
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Using Your VAIO Computer