Try this johnny, Menu > 1570 Turn emu off. & exit out to a channel. Wait till it says scrambled or bad channel, then go back into the CAS menu. Go to set default key > press ok Turn emu ON Go to bbc1 & see if it updates.
Turn the b0x off at the back for a min, then turn back on. If it still doesnt kick in, go up one channel.
just keep trying different channels, it will definitely kick in on one of them. This has been happening for a while now in Ireland with the SV`s.
I have a batch of 10 Digivox it took me hours to tune in just three of them it took ages for them to kick in.