Ok - so your issue is with the new transponder/multiplex information which is displayed at the bottom of the channel list?
If your job is in broadcasting then you could set your multiplex details exactly in the xml as you are trying to do, but I think the display information would be the parameter settings rather than the actual transmitter characteristics. If you are in the UK the multiplex info is available from ukfree.tv. UHF reception conditions would mean that you would be only able to receive from a limited number of transmitters, so you should be able to input those details, rather than every UHF channel from 21 - 60, which would be a waste unless you are into moving your receiver around the country!
As I don't know whether you are receiving from Freeview in the UK or located elsewhere I can't comment on your specific case, but here are my details on my box. I'm using the Ireland section of the terrestrial.xml file which I have supplied to the team. This contains the correct tuner settings for all transmitters in the Saorview DVB-T system and does not use the "auto" settings.