11 IntroductionCongratulations on your purchase of a NORAC UC4+ Spray Height Control System. Thissystem has an unmatched reputation within the industry for boom protection and spray heightaccuracy.When properly used, the UC4+ Spray Height Control system provides protection from boomdamage as well as improving sprayer efficiency and chemical performance by ensuring correctchemical application.To fully understand your new system and use it to its fullest capacity it is recommended thatyou read this manual. This manual provides a general overview, key features, operatinginstructions, assistance with system setup, regular maintenance recommendations andtroubleshooting.If you have any questions, feedback or comments regarding the NORAC UC4+ Spray HeightControl system, please contact any of the numbers below.Phone: 1 800 667 3921 Canada (Toll Free)1 866 306 6722 United States (Toll Free)(+33) (0)4 26 47 04 42 Europe(+1) 306 664 6711 All other regionsE-mail: service@norac.caWeb: www.norac.caThe information in this manual applies to systems with Version 7 software.