Question about BE-100 footswitch

[SkyhighRocks]

How does the BE-100 foot switch work? I see 2 buttons but what do they change? Does one change from clean to BE and the other from BE to HBE?

Thanks

 

[BrentSP]

Left switch: Clean to BE/HBE
Right switch: BE to HBE

 

[SkyhighRocks]

Thanks!