PCB-BA-e-1315 116.4 Operation using a (rechargeable) battery (optional)Lift-off the battery cover on the lower side of the balance. Connect 9 V compoundbattery.Replace the battery compartment cover.For battery operation the balance has an automatic switch-off function which can beactivated or deactivated in the menu (chapter 9). In weighing mode keep the PRINT-key pressed until [Unit] appears. Press MODE key repeatedly until „AF“ appears. Use the SET key, to confirm. Use the MODE key to choose between the two following settings:„AF on“: In order to save the battery, the balance switches automaticallyoff after 3 minutes without weighing.„AF off“: Switch-off function deactivated. Use the SET key to confirm. The balance returns to weighing mode.If the batteries are run down, "LO" appears in the display. Press ON/OFF-key andreplace the batteries immediately.If the balance is not used for a longer time, take out the batteries and store themseparately. Leaking battery liquid could damage the balance.If there exists an optional rechargeable battery, it has to be connected in the batterycompartment via a separate plug-in socket. Now the mains adapter delivered withthe rechargeable battery must be applied.6.5 Connection of peripheral devicesBefore connecting or disconnecting of additional devices (printer, PC) to the datainterface, always disconnect the balance from the power supply.With your balance, only use accessories and peripheral devices by KERN, as theyare ideally tuned to your balance.