Note: To avoid possible injury, do not step on the edge of the platform. Place the measuring platform on a hard, flat surface where there is minimal vibration to ensure safe and accurate measurement. Please note that the included batteries from the factory may have decreased energy levels over time. If you do not intend to use this unit for a long period of time, it is advisable to remove the batteries before storage. If the batteries are incorrectly positioned the fluid may leak and damage floors. Note: Be sure that the polarity of the batteries is set properly. Insert the supplied AA batteries as indicated. Open the battery cover on the back of the measuring platform. FEATURES AND FUNCTIONS PREPARATIONS BEFORE USE Note: Body fat percentage estimates will vary with the amount of water in the body, and can be affected by dehydration or overhydration due to such factors as alcohol consumption, menstruation, illness, intense exercise, etc. Tanita takes no responsibility for any kind of damage or loss caused by these units, or any kind of claim made by a third person. Tanita takes no responsibility for any kind of loss caused by the loss of recorded data. Recorded data may be lost if the unit is used incorrectly or is exposed to electrical power surges.