A guide to understanding your Tanita Body Composition Analysis. Whole Body Analysis Fat % / Fat Mass Fat Mass is the weight of fat in your body. Fat % is the proportion of Fat to the total . TANITA recommends that each facility conduct periodic checks of each unit. 1. Check the following at least daily: • That the unit is on a stable and level surface • Date and time settings . BODY COMPOSITION ANALYZER DC Please read this Instruction Manual carefully and keep it for future reference. REMOTE DIS