Rain+BirdtESP-SMTe Controller User ManualAUTO MODEMonday 02 May 201605:00 PMNext IrrigationEstimate 05 MayNow with bothSimple Smart ProgrammingandAdvanced ET Watering FeaturesIntroductionWelcome to Rain BirdThank you for choosing the ESP-SMTe Smart Modular Con-trol System from Rain Bird. The ESP-SMTe is an indoor oroutdoor weather-based irrigation controller. Two ESP-SMTemodels are available that can be expanded up to 22 sta-tions by adding optional station modules:• 4 Station Indoor Controller (ESP4SMTei)• 4 Station Outdoor Controller (ESP4SMTe)The Intelligent Use of Water®We believe it is our responsibility to develop products thatuse water efficiently.ESP-SMTe Controller FeaturesThe ESP-SMTe has two programming mode options thatmake watering adjustments based on inputs from theweather sensor.Simple Smart ModeIn Simple Smart mode, the ESP-SMTe acts like a tradi-tional time-based controller. Watering is scheduled onspecific days, with fixed start times and run times. Auto-matic adjustments are made to run times based on currentweather conditions.Advanced ET ModeIn Advanced ET mode, the ESP-SMTe uses state of theart technology to determine water needs for each zoneto ensure optimal landscape health with minimal waterusage. Advanced mode will change the irrigation scheduledaily based on water needs.Time-Based Controller Water UseWaterSavingsWinter Spring Summer FallESP-SMTe Controller Water Use