Remap them with Hijack.

[ir_translate]
KNext=...
KPrev=...

Etc..

The Hijack Stalk button names are KOff, KSource, KAtt, KFront, KNext, KPrev, KVolUp, KVolDown, KRear, KBottom, and then all of the same names again with "KS" (for Shifted) instead of plain "K".

Cheers