... your instrument.>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Features: 1.19 inch rack-mount2. High frequency and dual conversion online technology3. Advanced PFC technology4. ... vice versaZeroLED indicatorsStatusLoad level / Battery level, Battery , Utility Power, Inverter, Bypass, Overload, FaultAudible AlarmBypass, On battery mode, Battery low, Overload, FaultCommunicationsRS- ...