ON real-valued function ON real-valued function Syntax ON Function Return the value used by eV+ to represent a logical true result. Usage Considerations The word "on" cannot be used as a program name or variable name. Details This named constant is useful for situations where on and off conditions need to be specified. The value returned is -1. This function is equivalent to the TRUE function. Related Keywords OFF real-valued function TRUE real-valued function eV+Language Reference Guide, v2.x, 18319-000 Rev A Page 373