When they enter the relay station, there is a brown door with no window and is locked. When they are inside shutting it down, it is a white door with a window
When Joe,Clark, and Ash face the soldier, they run out of ammo, but when Joe is in the "mainframe", he has bullets left.
When Kate and Anne are in the "mainframe" building, it the size of a cubical, but when Joe is in the "mainframe", it is huge and elaborate