DECKEL MAHO DMU 70Evo User softkeys

Grettings,

Can somebody show me how to setup(install) User softkeys on DECKEL MAHO DMU 70Evo?
After repairing machine, i lost all User Sofkeys on machine.. Machine works perfect, and i can to all things but i just need ti setup User Sofkeys and i don't know how..
I buy machine with installed User Softkeys.. For example I wanna to make shortcut(User Softkey) for Preset Axis in second level and i dont know how.. i Can enter Preset axis but via Menu
Thanks guys if anyone can help me out..
Machine use Heidenhain Mill plus control
Year of making is 2001-03