... /230/240*(1±1%)VACFrequency50/60Hz(Adjustable ... 1%BypassAutomatic TransferOn overload and UPS failureBefore UPS Power-onDefault "ON" user adjustable to "YES"Transfer Time ZeroIndicatorsLED DisplayUPS status, I/P & O/P ... voltage& frequency, Battery voltage, Battery capacity, Loading, Fault codeAudible Alarm Bypass, On battery mode, Battery low, Overload, FaultAcoustic noiseAt 1 ...