Ivan wrote:

Whilst scanning through the DAB station list on my Pure Evoke Flow
radio, I spied '? BBC Vision Trial', on selecting it I was informed,
'Station Off Air', it then switched to R1.. what's all that about then?

http://www.bbc.co.uk/pressoffice/pre...02/radio.shtml

The Pure DAB radios tend to accumulate a list of all stations they have
ever seen, and display them even after they have long since gone away.