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Turn the unit on.
Select Adult
or Child.
Store in memory.
Select Male
or Female.
Female Male
Store in memory.
Specify Height. Store in memory.
Confirmed data will flash for three seconds.
Select “1 or 2.” Store in memory.
Setting and Storing Data in Memory
The TBF-621 can be operated only if data has been preprogrammed into one of the two
Personal keys. Once programmed, tapping a Personal key turns the monitor on. The unit has
an automatic shut-down function. If you do not step on the platform after pressing a
Personal key, the unit will automatically shut off in about 30 seconds.
The TBF-621 is intended for use by adults and children who have moderately active to
inactive lifestyles.
The TBF-621 is not intended for use by persons with athletic body types. (See p.1 for Tanita’s
definition of “athlete.”)
1. Turn on the Power
When programming data, use the Orange Set button to turn the unit on. The register
numbers (“1 or 2”) will appear and the display will flash.
2. Select a Personal Key
Use the Green Arrow button to select a Personal key, then press the Orange Set button.
3. Select Adult or Child
Use the Green Arrow button to specify Adult or Child, then press the Orange Set button.
Adult = age 18 or older, who has moderately active to inactive lifestyle.
Child = up to the age of 18, over 3' 4" (102 cm), who has moderately active
to inactive lifestyle.
4. Select Male or Female
Use the Green Arrow button to select Male or Female, then press the Orange Set button.
( ) Male ( ) Female
5. Specify the Height
Use the Green Arrow button to specify Height. Then press the Orange Set button.
The display will flash all data (Adult/Child, Male/Female and Height) for three seconds to
confirm the programming. The power will automatically turn off.
Getting Accurate Readings
To get the most accurate absolute values, readings should be taken without clothing and
under consistent conditions of hydration. If you do not undress, always remove your socks
or stockings, and be sure the soles of your feet are clean before stepping on the measuring
platform. Stand erect on the platform.
Note: An accurate reading will not be possible if the soles of your feet are not clean, or if your knees are bent
or you are in a sitting position.
It is best to take readings at the same time of day. Remember to wait about three hours after
rising, eating, or hard exercise before taking measurements. While readings taken under other
conditions may not have the same absolute values, they are accurate for determining the
percentage of change as long as the readings are taken in a consistent manner. To monitor
progress, compare weight and body fat percentage taken under the same conditions over a
period of time.
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