Can I cut with the Guide Track in other locations on the Project Table besides where the track hinges place it?

No, the guide track should only be positioned on the Track Hinges, and cuts should only be made in this area. This prevents unnecessarily marring the table with unnecessary saw cuts. In the event that you accidentally set the Plunge Saw depth too deep, and you cut through the MDF work surface, the Project Table design does not have any steel parts of the base located where the saw blade could strike them, as long as the Guide Track is used in its intended position.