Controls overrides of system variables used in selected dimensions.

Button
Ribbon: Annotate tab
Dimensions
panel
OverrideNot available on the ribbon
in the current workspace.
Menu: Dimension
OverrideNot available in menus
in the current workspaceOverrides a specified dimensioning system variable for selected dimensions, or clears the overrides of selected dimension objects, returning them to the settings defined by their dimension style.
The following prompts are displayed.
Enter dimension variable name to override or [Clear overrides]: Enter the name of a dimension variable, or enter c