Rechargeable Battery Operation (Depends On Model, See Chp.1); Connection Of Peripheral Devices - KERN ALS Series Operating Manual

To turn on the display, press the ON/OFF-key.
When the zero display appears, the balance is ready for operation.
When weighing with internal adjustment weight, an adjustment first
occurs automatically. During this process, „CAL" will appear on the
display.
To switch off, press the ON/OFF button again. During this process
the weighing balance will be moving into ready mode.
The weighing balance will be ready for operation immediately after
activation without requiring any time to warm up.

7.5 Rechargeable battery operation (depends on model, see chp.1)

The rechargeable battery is charged via the delivered power supply.
The operating time of the rechargeable battery is about 30h; charging time until
complete recharging ca. 10h.
In the menu you can activate the AUTO-OFF function [time off], see chp. 9.8.
According to menu settings, the balance switches automatically off in order to spare
the battery.
When the balance is in battery mode the following symbols appear on the display:
Battery charge sufficient
Battery very low. Connect mains adapter as soon as possible
to load the rechargeable battery.
Voltage has dropped below prescribed minimum. Connect
mains adapter to load the rechargeable battery.

7.6 Connection of peripheral devices

Before connecting or disconnecting of additional devices (printer, PC) to the data
interface, always disconnect the balance from the power supply.
With your balance, only use accessories and peripheral devices by KERN, as they
are ideally tuned to your balance.
32 ALJ/ALS/PLJ/PLS-BA-e-1943