Got a new STB fitted yesterday to replace broken one, and it came with this thingymajiggy that sticks on the back (around the cable in socket), has one lead going to the IR Blaster socket (for power, i assume - the sig goes bad when disconnected), one going to the box's RF out (a passthru), an in socket for the cable, and an output to tv (rf). This outputs the box signal, all the terestrial channels, one with a still image saying "NTL - TV to talk about" (really old image), and one with vertical colour bars. If i tune my TV into its Cable setting, i can get the audio, and a rolling, rubbishy picture from prem plus
. Why is it only this channel that works?