A quick one before I head off to Autodesk University this weekend.
The coordinate features I want to use seem to be disabled!?!
Someone probably pinned the survey or project base point.
From Revit help documentation:
You cannot move a pinned project base point or survey point.
Pinning the project base point disables the Relocate Project and the Rotate Project North tools.
Pinning the survey point disables the Rotate True North, Acquire Coordinates, and Specify Coordinates tools.