With XH mode you lose node only or charge lead only charging on the Powerlab8. Both features aren't on the Powerlab6 except for the small unbalanced preset.
Originally Posted by cirrus_uk
Also am I right in thinking If I get one of the standard FMA adaptors I can just plug the 6 pin cable from my current para board into the 6s port on the FMA adapter board?
Nope. The FMA boards use FMA wiring which are not going to work with the para board.