[. . . ] Rapid changes over several days should be distinguished from mid-term changes (over several weeks) and long-term changes (months). As a basic rule, SHORT-TERM weight changes almost exclusively represent changes in water content, while mid-term and long-term changes can ALSO concern the percentage of fat and muscle. ⷠIf you experience a short-term drop in weight, however the percentage of body fat increases or remains the same, you have only lost water, e. [. . . ] If present, pull the battery insulating strip off the battery compartment cover or remove the battery's protective film and insert the battery according to the polarity. if the scale fails to operate , remove the battery completely and insert it again. When the scale is operated with a battery which is too weak, "Lo" appears in the display field and the scale automatically switches off. The battery must be replaced in this case (3 V lithium battery CR2032). The used, completely drained standard and rechargeable batteries must be disposed of in specially marked collection containers, at toxic waste collection points or electrical product retailers. Note: Batteries containing pollutants are marked with the following symbols: Pb = Battery contains lead, Cd = Battery contains cadmium, Hg = Battery contains mercury. Place the scale on a firm, flat surface; a firm floor covering is a basic requirement for correct weight measurement. Quickly and firmly tap the standing surface of your scale with your foot. 3 Measuring weight, body fat, body water and muscle percentage  First your personal parameters must be stored;  Briefly step onto the scale first and wait until the display "0.  Now the setting for your individual level of activity or fitness appears on the display (Fig. Select the desired level of activity by pressing the buttons "up" P or "down" O and confirm the desired level of activity with the "SET" button.  The values you've just set are displayed again consecutively. Explanation of the 5 levels of activity:  Fitness 1: No physical activity while overweight  Fitness 2: Little physical activity while overweight  Fitness 3: No or little physical activity (Less than 20 min of physical exercise twice a week, e. Going for a walk, light gardening, gymnastic exercises) This mode should also be selected before the start of a training or dietary program. [. . . ] The following body fat levels provide you with a guideline (for further information, please consult your doctor!Depending on the type of sports, the intensity of training and the person's physical constitution, levels can be achieved that are even lower than the specified guidelines. women Age Very good Good Average Poor Age Very good Good Average Poor According to the World Health Organization (WHO 2001), the percentage of body water should lie within the following ranges! [. . . ]