I think that the cable box has cooked itself and is doing its best with some toasted chips. Cable telly functioning as follows:
Working fine
BBC One
BBC Two
BBC Three
BBC Four
Bravo +1
Challenge +1
Dave +1
Living 2
Paramount Comedy
Paramount Comedy 2
Zone Reality
Working but stuttery
Dave
Paramount 1 +1
UKTV Gold +1
Not working
ITV 1
ITV 2
ITV 3
ITV 4
Channel 4
Channel 4 +1
Five
Bravo
Bravo 2
Challenge
E4
E4 +1
Living
Living +1
More 4
Sci-Fi Channel
Trouble
Trouble +1
UKTV Gold
UKTV Drama
UKTV Drama +1
Virgin Central
Virgin 1
Virgin 1 +1
Lots more channels if I keep scrolling upwards through the numbers, but most of the upper range aren't working.