I have a new TV with dual tuners  I have a sky dish and a terrestial aerial they feed into a distribution amplifier with F type outputs ie 3 inputs 8 outputs .One of theses is connected to the sat tuner input on the TV When I tune aerial type terrestial on the TV I get nothing. When I tune aerial type “Dish” I get channels excluding TV 3 When tune “analogue and digital”  same result as expected.…