The Change Optocoupler dialog box allows you to select an optocoupler in the library to replace the one that was automatically selected by PI Expert.
Use the Fields button to open the Select Fields dialog box and customize the set of the optocoupler parameters that are displayed in the Change Optocoupler dialog box.
To change the optocoupler, select the desired optocoupler in the list and click OK.
See Component Library, Component Sets and Optocouplers Library for more information.