To Insert a Prefix in Dimension Text (AutoCAD Mechanical Toolset)

1. In the drawing area, select the dimensions you want to edit. The Power Dimensioning Ribbon Contextual Tab displays.
2. Click Power Dimensioning tabEdit panelEdit Dim Text . Find
3. Click in the space between the dimension text and dimension text delimiter (1 in the illustration).
4. To insert a symbol:
   1. Click Power Dimensioning tabInsert panel Symbol drop-down
   2. Click the symbol you want to insert.

   To insert text:

   • Type the text.
5. Press ESC.