- At the Command prompt, enter AMOPTIONS.
- Click the AM:Standards tab.
- In the Standard Elements list, double-click the root node (the standard name). The Standard Settings dialog box appears.
- In the Object properties section, click Settings. The Object Property Settings dialog box appears. Note: The Settings button is available only if the Let AutoCAD Mechanical toolset manage object properties check box is selected.
- In the Category list, select the category corresponding to the object you want to modify. Note: The Object you want to modify may be listed in more than one category.
- In the row corresponding to the object you want to modify, click in the Usage in hide column. A drop-down list appears.
- Select the desired behavior.
- To specify that an object is valid only as a foreground entity, select Foreground only.
- To specify that an object is valid only as a background entity, select Background only.
- To specify that the object is neither a valid foreground nor background entity, select Ignore in hide.
- To specify that the object is valid both as foreground and background entities, select Accept in hide.
If other objects use the object you are modifying, a message appears showing the categories of the affected objects. Click Change Property.
- Click OK until all dialog boxes close.