The BK Precision 9124 Programmable Single-Output DC Power Supply with RS232, 72V/1.2A, 120VAC Line Input provides a convenient interface for adjusting voltage and current, storing and recalling operating states or enabling/disabling the output. The Discrete Fault Indicator/Remote Inhibit (DFI/RI) is useful for turning multiple power supplies On/Off simultaneously. The numeric keys and rotary knob provide a convenient interface for setting output levels quickly and precisely. Voltage and current can be set to a maximum resolution of 0.5 mV and 0.1 mA respectively. Up to 50 parameters can be stored and recalled from internal memory.