Page 17Table 4-3 BuzzerPriority UPS condition Buzzer1 UPS fault and failure Continuous2 Normal mode No beep3 Battery/battery test mode One beep per 4 sec(One beep per 1s when battery low)4 Bypass mode One beep per 2 minutes5 Overload One beep per 500ms6 Other alarm One beep per 1s7 Manual bypass One beep per 1sNote: buzzer alarm can be enable/disable by function button, if buzzer alarm is disabled, all present alarm is mutedexcept that the button press still has a tick beep. Buzzer alarm will be enabled automatically once new alarm arises.InterfaceIn order to make sure all segments are OK, LCD begins to do self-test after power on. During self-test, all the segmentswill be lighted for 2 seconds, then the LCD will turn to normal display status.Fig. 4-2 The default LCD displayIcon Icon name DescriptionMeasurements Display values, eg: voltage, frequency,load percentage, etc.DC Voltage Battery voltagePercentageThe percentage, eg: Load percentage andbattery capacity percentageOutput It indicates information for output.Input It indicates information for input.Load It indicates information for load.Battery It indicates information for battery.Load level It indicates the load level. Load border willflash if the load is overload.Battery level It indicates the battery capacity. Batteryborder will flash if the battery is low.Warning/FaultIt indicates warnings or UPS Fault .If it is a warning, the icon will flash; if it is afault, the icon will be lighted constantly.