Insert or Move Equipment Callout
To insert or move a callout for an equipment on the drawing, go to
Ribbon: 
Insert or Move Equipment Callout
Pulldown Menu:
You will be prompted to select the equipment for which the callout will be inserted or moved.
Select equipment or callout:
You will then be prompted for the location of the equipment callout.
Right-click or press space to toggle the leader on or off, press enter to place the callout.
See the Inserting Notes and Leaders on the Drawing section for more information about inserting the callout.
Related Options
Equipment callout: Sets the default information displayed in the equipment callout.