... start 4)19 inch line interactive UPS Main Features Full digitized microprocessor controlled improves UPS reliability Use single chip ... computers and other surveillance equipments. include:mains status,UPS working status,system setup,menu operation, remoted ... and Inverter statusAlarm:Mains Failure, low battery, overload, UPS faultMute:ManualCrest ratio:3:1Protection function Over load:>120 ...