SD
Ceefax (London) is always left on these tests. Whatever region you are watching defaults to London as that is what is being rebroadcast.
James Vertigan posted:
Same in London (obviously!) but Ceefax still appears to be on air here in London - I wonder what will happen on BBC2 Digital if they cut the teletext signal during these tests (as they have done in the past) on analogue, as isn't the generator just an off air receiver tuned to page 152?
Ceefax (London) is always left on these tests. Whatever region you are watching defaults to London as that is what is being rebroadcast.