* Understanding External References:
* External references (Xrefs) allow you to attach drawing files within your current drawing, enabling collaborative work and data sharing.
* Xrefs can be attached as Overlay or Attachment. Overlays do not include nested Xrefs, while Attachments do.
* Identifying the Problem:
* The exhibit shows that the Buildings drawing is nested within the Contours Xref.
* To remove the Buildings drawing from the C-3 drawing, it must be detached from the Xref hierarchy.
* Steps to Detach Xref:
* Right-click (Control-click) the Buildings reference in the Xref Manager.
* Select the Detach option. This will remove the Buildings reference from the drawing.
* Conclusion:
* To remove the Buildings drawing from the C-3 drawing, detach the Buildings reference directly from the Xref Manager.
References:
* AutoCAD User Guide on Managing Xrefs.
* AutoCAD Help Documentation on Detaching Xrefs.