On the HD/HDR-FOX T2 a change of channel numbers alone does not muck up the schedule of the HD/HDR-FOX T2.
There is another thread that discuses whether the customised firmware backup would cope and also includes comments on the CF packages.
http://hummy.tv/forum/threads/another-dso-event.5400/
Please would you clarify what you are asking that requires a separate thread, or was it just the title of the other thread that you found miss-leading [sic]?