If a reference is known, enter the reference location in the Reference field.

If Pick is selected, a prompt to Identify Equi/Valve/Pcom/Elconn for Start Ref: in the 3D view is displayed. The Reference field is automatically populated with the reference.

If List Equipment is selected, the List of Equipment window is displayed. Choose a piece of equipment from the List Equipment for Selection part of the window. Click Apply to choose the piece of equipment and close the List of Equipment window. Select Cancel to discard any inputs and close the List of Equipment window.