Graham The problem I have happens not only on the Avant but on an older Beovision as well. What happens is the picture on the UHF station starts off perfectly but after about 3 mins it starts to deterioate until it finally disappears. This happens on all uhf channels. It is not the antenna as it has happened in another house, and I have tried numerous

I am having problems with my Avant tv where my UHF signal starts off perfectly but slowly disintergrates into total loss. Can anyone help with this? Thanks Peter