- At the Command prompt, enter AMOPTIONS.
- In the Options dialog box, click the AM:Standards tab.
- In the Standard Elements list, double-click Dimension. The Dimension Settings dialog box appears.
- Click Edit. The Edit Dimension Styles dialog box appears.
- Select the type of dimension (substyle) to change and click Modify.
- In the displayed dialog box, make the necessary changes and click OK until all dialog boxes close.