sentences:  Discrete SMUs offer a broader range of current, voltage, and power levels than mainframe-based systems permit and allow the system to be reconfigured as test needs change.New Wizard-based user interfaces have been developed to make it easy for students or less experienced industry users to find and run the tests they need, such as the FET curve trace test.Some curve tracers, specifically those designed for high voltage or current or power devices, are capable of generating lethal voltages and currents and so pose an electrocution hazard for the operator.