85. Connection and OperationFigure 2: Connection diagram of 2000HXL(CE) and 3000H(XL)2.3) Computer Connection:Connect your computer to the outlet sockets of the UPS system following the abovediagram.3) Battery Charge: Fully charge the batteries of the UPS system by leaving the UPS systemconnected to the mains for 1-2 hours. You may use the UPS systemdirectly without charging it but the stored energy time may be shorterthan the nominal value specified.4) Turn On the UPS:4.1) With utility power connecting:Press “I” button continuously for more than 1 second to turn on the UPS. Then theUPS will get into self-test status first. After having finishing the self-test, the UPSwill get into the inverter mode, at this time, the Utility Power LED, Inverter LED, andLoad and Battery Capacity LEDs will light up.4.2) Without utility power connecting:Even though utility power is connected to the UPS, the UPS still can be turned onby just simply pressing “I” button continuously for more than 1 second. Then theUPS will get into self-test status first. After having finishing the self-test, the UPSwill get into the inverter mode, at this time, Battery LED, Inverter LED, and Loadand Battery Capacity LEDs will light up.Note: The default setting for bypass mode is no output after UPS is connecting utilitypower and breaker is turned on. This can be configured by monitoring software.5) Test Function:Test the function of the UPS system by either pressing the On-Switch “I” or disconnectingthe input of the UPS system from the power supply.Caution!*Do not connect equipment which would overload the UPS system (e.g. laser printers)