You can adjust your Community Subscriptions in Settings
You can add Community Subscriptions in the search bar that says "Subscribe to more communities ..."
HOW TO CONTRL THE RESULT OF PV1 & PV2 BY INCREASING OR DECREASING
You better contact Technical Support
http://www.orthoclinical.com/en-us/Services/TechnicalSupport/ChemImmunoTechSupport/Pages/default.aspx