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How to measure body fat percentage
Overview of measuring
To get the most accurate absolute values, measurements should be taken while wearing
no clothing, preferably in the evening, and after urinating. 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. If used after bathing,
the body must be completely dry.
NOTE: Accurate measurement 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 measurements at the same time each day, preferably in the evening.
If doing so is not convenient, 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 measurements taken
under the same conditions over a period of time.
Setting and storing data in memory
The TBF-531 can be operated as a body fat monitor only if data has been pre-programmed
into one of the four PERSONAL keys. The weight only function works independently.
The unit has an automatic shut-down function. If you do not step on the platform after
selecting a PERSONAL key, the unit will automatically shut off in about 30 seconds.
1. Turn on the power
Use the Set button to turn the unit on. The numbers (1-2-3-4) will appear and the
display will flash.
2. Select a personal number
Use the Up or Down buttons to select a personal number. After selecting the number,
press the Set button.
3. Select Adult or Child
Use the Up or Down buttons to specify Adult/Child, then press the Set button.
Child = up to the age of 18, over 3.6 ft (107 cm)
Adult = age 18 or older
The TBF-531 is not intended for use by persons involved in intense aerobic exercise of at least
10 hours per week and who have a resting heart rate of less than 60 beats per minute.
It is also not intended for professional athletes or bodybuilders who may experience physical
changes due to dehydration.
4. Select Male or Female
Press the Up or Down buttons to specify the appropriate gender, then press the Set button.
5. Specify the height
Press the Up or Down buttons to specify the height (hold the button down continuously
for speed setting). Then press the Set button.
Once the height is specified, data storage is complete. The display will flash all data
(Adult/Child, gender, and height) for 3 seconds to confirm the programming. The
power will automatically turn off after the confirmation. To set the next PERSONAL
key, repeat steps 1 through 5 after the power shuts off.
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
cm
ADULT
CHILD
ft in
ADULT
CHILD
cm
ADULT
CHILD
ADULT
CHILD
ADULT
CHILD
ft in
Adult (over 18 years old) Child (up to 18 years old)
Male
Female
For the kg version For the lb version
MaleFemale