Displaying and Changing Data Origin 
Use
When you create a functional location, reference location, or equipment hierarchy, the default values for the fields have been set in such a way that data transfer is possible. The default values are only set to individual maintenance in the case of functional locations that are uppermost in a hierarchy and those that are not assigned to a reference location.
Features
There are certain circumstances in which it makes sense to change the type of data transfer normally used for technical objects in your system.
In these circumstances you can use the system’s display and change functions: