Dick - thanks for your explication. But you don't need to tell me that. All I watch on tv are football {had a full day today} & tennis, the two games I plAYED WHEN YOUNG {schools 1st XI GOALKEEPER, WOULD YOU BELIEVE!}; & Univ'y Challge for which for some reason I retain a weakness. & then only if they are on terrestrial which all I have. Sometimes my telly literally doesn't get switched on for days.