To Modify a Symbol Instance
1. Select the symbol instance in the drawing.
2. Right-click and click Properties from shortcut menu. The Custom Drawing Symbol dialog box opens.
3. Make any of the following modifications as necessary:
◦ The leader or placement type.
◦ The symbol height (if it is allowed in the definition).
◦ The rotation angle.
◦ The color or the origin.
◦ The groups displayed (If groups are set up in the definition).
◦ The variable text values (if variable text is set up in the definition). In the Symbol Instance dialog box, click the Variable Text tab. Preset values are listed in a drop down list next to each parameter. The predefined values are part of the symbol definition.
4. When you are finished, click OK to update the display of the instance.