Disconnect the internal VHF antenna plug from your T.V. set as shown.
Connect the flat twin-lead from the Antenna Switch Box to Screw Terminals
on your "300 OHM to 75 OHM Balun". This "Balun" is normally supplied
with your T.V. set or is readily available at a local television deal or
T.V. Service Department.
Simply plug the "Balun" on to the VHF antenna terminal on your T.V. set,
see illustration below.