Grid 2D — View-Specific Extents — Settings reference

Walkthrough

Control	Options	Effect
Scope	Active view visible grids	The command operates on grids shown in the active view and opens no settings dialog.
Result	Revit 2D datum ends	Set view-specific 2D datum ends so edits to the displayed grid length stay local to this view.

Evidence boundary: Active-view 2D extent control verified.