So much detail (also debatable), for a simple operational question.
It's in the FCOMs of LH. Either Thales or Honeywell FMS.
+ DSC-22_20-100-20 (Honeywell)
+ DSC-22_20-100-30 (Thales)
Sorry, I don't know the answer.
A product datasheet for FFS on their Aviation Training website says Thales - thus I assume with a high degree of certainty they have Thales.
Given their fleet size, I guess having a single vendor is a risk easily avoided. Not to mention the benefits of know-how transfer to LH Technics when buying from both.