The fields on the parameters tabpage are explained underneath:
Edit allowed time for none ZM-lines - This is the priority above which the user can edit times that are not delivered, so Time Master (Zeit Meister).
RTS description 1, 2 and 3 - are fields where the user can select which text will be placed into the RTS description. In case the option 3 and 4 are selected, one must be sure that these texts are loaded as well. This is depending on the contains and hint text loading fields in the company MB.