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TBF-621 Body Fat Monitor/Scale
Useful Features of the TBF-621
• The TBF-621 allows you to measure both weight and body fat percentage simultaneously as
easily and simply as stepping on a scale.
• The TBF-621 can be set for an Adult or Child, Male or Female, increasing the accuracy of
the reading.
• Personal data (Adult/Child, Male/Female and Height) are stored in the memory of the unit.
Switching the Weight Mode
The TBF-621 can measure weight in three different modes: lb (pounds), kg (kilograms) or st-lb
(British stone-pounds). The default setting (the setting at which Tanita products are shipped) is
lb. If you would like to change that setting, or if at any point another setting has been
inadvertently entered, follow these steps:
Press and simultaneously. Release the buttons, the display will flash. Press
to cycle through each weight mode until just the mode that you require is displayed. Then
press . The display screen will flash to confirm your selection and store it in memory.
Note: If weight mode is set to pounds or stone-pounds, the height programming mode will be automatically
set to feet and inches. Similarly, if kilograms is selected, height will be automatically set to centimeters.
Automatic Shut-Down Function
The automatic shut-down function shuts off the power automatically in the following cases:
• If you interrupt the measurement process. The power will shut down automatically within
10 to 20 seconds, depending upon the type of operation.
• If an extraordinary weight is applied to the platform.
• If you make a mistake during measurement or a key or button operation.
• After you have completed the measuring process.
Note: If the power shuts off unexpectedly, repeat the measuring process.
Preparations Before Use
Inserting the Batteries
1. Locate the battery cover on the back of the measuring platform. Press the tab to release the
cover as shown.
2. Insert the supplied AA-size batteries as indicated.
Note: Be sure that the polarity of the batteries is set properly. If the batteries are incorrectly positioned,
the fluid may leak and damage floors. If you do not intend to use this unit for a long period of time, it is
advisable to remove the batteries before storage.
Positioning the Monitor
Place the monitor on a hard, flat surface where there is minimal vibration to ensure safe and
accurate measurement.
Note: To avoid possible injury, do not step on the edge of the platform.
Attaching the Support Feet (Carpet Use Only)
Insert the support feet into the holes at the four corners on the bottom of the
measuring platform.
Note: Do not use the monitor on any carpeting that is more than 0.8" (20 mm) in thickness.
Do not use the support feet on hard, flat surfaces, as the unit may tip over.
Open as shown
Direction of the batteries
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