NELSON AUTOMATIC ARC TIMER The Automatic Arc Timer for the SR150 Big Gun® sprinkler is an easy, set-and-go device to automatically change the watering area as the system moves. FEATURES: • AUTOMATICALLY CHANGE THE ARC OF THROW: STARTING POSITION 180°, SECOND POSITION CHANGES TO <180°-330° AT SET TIME. • 100% RETROFITTABLE! CAN BE FIT TO ANY SR150 SERIES BIG GUN® SPRINKLER. • SIMPLE AND ROBUST CONSTRUCTION FOR EASY USE AND DURABILITY. (IRREGULAR FIELD) A. Starting Position B. Arc Changes to >180° (continue to end of field) PN 13296 Sprinkler sold separately (RECTANGULAR FIELD) A. Starting Position B. Arc Changes to 180° (continue to end of field) Nelson Irrigation Corporation 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660