JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Exchange to a Reference Selected Graphically If the References dialog is open, ensure that no references are selected. Do one of the following: Enter the key-in, REFERENCE EXCHANGE orEnter the key-in: XD= You are prompted to select a reference. Identify the required reference. Accept to make the exchange. Parent topic: Exchanging to a Reference