If you have created multiple conversion methods for the SCO, you can select one as the default Color Output for Prinergy. 

1. 
2. In the Color Setups viewer, click the Conversion icon  between the PCO and the SCO.
3. In the Conversion Edit dialog box, click the Edit icon  next to the Output Version drop-down list.
4. Select the radio button for the desired version.
5. Click Close.