RFC-BA-e-2113 177.2.1 PlacingLevel balance with foot screws until the air bubble of thewater balance is in the prescribed circle.7.2.2 Scope of delivery / serial accessories:• Balance, see chap. 3• Mains adapter• Protective cover• Operating manual7.3 Mains connectionPower is supplied via the external mains adapter. The stated voltage value must bethe same as the local voltage.Only use KERN original mains adapter. Using other makes requires consent byKERN.7.4 Storage battery operation (optional)The optionally supplied battery is charged with the supplied power supply.Before the first use, the battery should be charged by connecting it to the mainspower supply for at least 15 hours.• If an arrow [] appears on the weight display above the battery symbol , thecapacity of the rechargeable battery will soon be exhausted. The balance will beready to operate for about another 10 hours, then it will switch off automatically.Charge the battery with the help of the supplied power pack.• If in the weight display appears „bat Lo“ followed by a flickering display, thecapacity of the rechargeable battery is below the prescribed minimum. Thebalance will be ready to operate for about another 5 minutes, then it will switch offautomatically. Charge the battery with the help of the supplied power pack.The LED display informs you during loading about the loading status of therechargeable battery.red: Battery is almost dischargedgreen: Rechargeable battery completely reloaded