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6.2.2 List of items supplied
Standard accessories:
• Balance (protective working cover encl.)
• Weighing pan
• Mains cable
• Test weight
• Operating instructions
• Draft shield (440-21N, 440-21A)
6.3 Mains supply
Electric power supply is by means of the external mains supply circuit. The printed
voltage level must comply with the local voltage.
Only use original KERN mains supply circuits. The use of other makes is subject to
approval by KERN.
6.4 Battery Operation
Remove the battery cover from the bottom of the balance. Connect a 9 V block bat-
tery. Re-insert the battery cover.
For battery operation the balance has an automatic switchoff function which can be
activated and deactivated in the menu (chap. 8.1).
Please follow the below instruction for the setting:
Switch the balance on by pressing the key, then wait until display
shows “0”
Press and hold the key until display shows „UNIT“.
Press the key 3 times, then „AF“ will appear.
Confirm with the
key.
Press the
key to switch among the modes:
1) „AF on“: Battery conservation through automatic power-off
3 minutes after ending a weighing operation.
2) „AF off“: switchoff function deactivated.
Confirm with the
key.
When the battery power is used up the display will show “LO“. Press the key
and change the batteries at once.
When the balance is not in use for a longer period of time remove batteries and keep
them separately. Leakage of battery liquid might damage the balance.
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