NORAC UC5-BC-AL Quick Guide - Manual (Page 7)

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3.2 Height Sensors
 Height sensors use an ultrasonic signal to measure distance to the ground or crop canopy.
 Normally there are three height sensors used. A sensor is mounted to the outer part of
each boom tip, and another sensor is mounted to the center section.
3.3 Roll Sensors
 Roll sensors are important for measuring boom and sprayer roll dynamics.
 Two roll sensors are normally used for a UC5 Spray Height Control system.
 The mounting position of the roll sensors vary from sprayer to sprayer depending on
boom geometry and suspension.
3.4 Modules
 Normally there are three modules included: a control module, an input module, and a
valve module.
 Module status is indicated by a LED. Shortly after power-up, the module should present a
solid green light, indicating the module is functioning and ready.