Encoder Groups selectable with buttons

Has anyone tried this:

You have e.g. eight encoders and you would like to give them different functions, with switching them with one ore more buttons.

???

MIDIbox64E, SFB “FF 01 10” and “FF 01 12”, or more comfortable: SFB “FF 08 41”

-> http://www.ucapps.de/midibox64e/midibox64e_sfb_table.txt

Best Regards, Thorsten.