. When inserting the battery, make certain to correctly align the battery poles, and do not use force when connecting the battery . Remove the battery when you do not use the scale for a longer period of time. . Replace an empty battery punctually. . Never place more than 5 kg on the scale. . Make certain that liquids never enter into the scale . Avoid contact with solvents and corrosive or abrasive cleansers. . Only place the scale on a flat and firm surface. . Never place anything on the displ