CM-BA-e-0618 7Major display deviations (incorrect weighing results, or a failure function of the calcu-lator) are possible if electromagnetic fields occur as well as due to static charging andinstable power supply. It is then necessary to change the location.If the calculator is interrupted by static charging, reset it to normal by pressing the“ON/AC” button.6.2 UnpackingCarefully remove the balance from its packaging, remove the plastic wrapping andposition the balance in its intended working location.6.2.1 InstallationInstall the balance in such a fashion that the weighing plate is absolutely horizonta.6.2.2 List of items suppliedStandard accessories:• Pocket balance• Batteries• Operating instructions• Test weight (only CM 5-C2N, CM 500-GN1)• Weighing container (only CM 50-C2N, CM 500-GN1)• Draft shield (only CM 50-C2N, CM 500-GN1)6.3 Battery operation and change• Battery conservation through automatic power-off 3 –4 minutes after ending aweighing operation.• When the battery power is used the display will show “LO”. Press the key andchange the batteries at once.When the balance is not in use for a longer period of time remove batteries and keepthem separately. Leakage of battery liquid might damage the balance.Battery change1. Open the battery compartment cover located atthe bottom of the balance (Unblocking batterycompartment cover ( picture 1+2).2. Insert 2 AAA type batteries (picture 3) .3. Re-insert and lock the battery cover.( picture 4).