CFS/CCS-BA-e-1825 21 Install weighing plate and wind screen, if applicable, if needed. Level balance with foot screws until the air bubble of the water balance is inthe prescribed circle. Check levelling regularly Interconnect reference scale and bulk scales via the second-scale interfacein the counting systems KERN CCS.6.4 Mains connectionPower is supplied via the external mains adapter. The stated voltage value must bethe same as the local voltage.Only use original KERN mains adapters. Using other makes requires consent byKERN.6.5 Rechargeable battery operation (optional)The rechargeable battery is charged via the delivered power cable.Before the first use, the rechargeable battery should be charged by connecting it tothe mains power cable for at least 15 hours. The operation time of the rechargeablebattery is approx. 70 hours. When connecting a second balance, the operation timewill be reduced.To save the rechargeable battery, in the menu (see chap.12.2) the automaticswitch-off function [„ “ „ „] can be activated, switch-off time selectableaccording to 0, 3, 5, 15, 30 minutes.If an arrow appears on the weight display [] above the battery symbol or"bat lo" when turning on the balance, this is an indication that the capacity of therechargeable battery will soon be exhausted. The balance will be ready to operatefor about another 10 hrs., then it will switch off automatically. Connect the powercable as soon as possible to load the rechargeable battery. Charging time untilcomplete recharging is approx. 12h.The LED display informs you during loading about the loading status of therechargeable battery.red: Voltage has dropped below prescribed minimum. Connect mainsadapter to load the rechargeable battery.green: Rechargeable battery completely reloadedyellow: Rechargeable battery very low. Connect mains adapter as soon aspossible to load the rechargeable battery.