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Whole Body Scale
GET THE SKINNY ON
BODY FAT, MUSCLE MASS AND MORE
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TABLE OF CONTENTS
Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Location of Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Inserting the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Changing Measuring Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Placing the Scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Weighing Yourself . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Setting Up Body Fat/Body Water Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Weighing/Estimating Body Fat/Body Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Setting the Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Using the Scale with Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Clearing the Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Turning the Scale Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Important Information To Know Before Using Your Body Fat Scale . . . . . . . . . . . . 9
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Care and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SAVE THESE INSTRUCTIONS
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SAFETY AND CAUTION
Please read these instructions carefully to familiarize yourself with the features
and operation of this unit before using.
IMPORTANT
This scale is NOT intended to be used by pregnant women. The result is inaccurate
and the effects on the fetus are unknown.
INTENDED USE
This scale is intended to measure body weight, impedance and estimate percentage
of body fat and body water, bone mass and muscle mass using BIA (Bioelectrical
Impedance Analysis). It is intended for use by healthy children 10-17 years old
and healthy adults with active, moderately active, to inactive lifestyles for body
composition assessment in the home environment. For body fat and body water
estimates, always estimate in bare feet.
BATTERY PRECAUTIONS
Dispose of old batteries properly. Do not dispose of old batteries in a fire.
Do not leave batteries lying around where a young child or pet could play with
or swallow them. If the batteries are swallowed, contact a physician immediately.
Batteries may explode if mistreated. Do not attempt to recharge or disassemble
the batteries.
Use only fresh batteries of required size and type. Do not mix old and new batteries,
different types of batteries, or rechargeable batteries of different capacities.
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LOCATION OF CONTROLS
Up Button
Mode Button
Down Button
LCD Display
1.
2.
3.
4.
Platform with Electrodes
Pound/Kilogram Switch
Battery Compartment
5.
6.
7.
1
4
5
6
7
3
2
Top Bottom
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LOCATION OF ICONS
Memory Mode Icon
Male/Female Icons
Normal Mode
Athlete Mode
Body Fat/Body Water
Level Indicators*
1.
2.
3.
4.
5.
Weight
Age/Bone Mass
Height/Muscle Mass
Body Water
Body Fat
Ready Mode
6.
7.
8.
9.
10.
11.
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9
10
111
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6
5
4
3
2
*Body Fat/Body Water Level indicators tell you where you fall within the range
as determined by your personal data entered and saved in the scale.
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INSERTING THE BATTERY
Open the Battery Compartment on the back of the scale.
Insert 1 9V battery according to the polarity indicators inside the
Battery Compartment and close the Battery Compartment door.
When “LO” appears on the LCD screen, the battery needs to be replaced.
Note: If the scale is not going to be used for an extended period of time,
remove the battery before storing.
CHANGING MEASURING UNITS
You may choose between pounds and kilograms to measure your weight.
Using the tip of an unfolded paperclip, slide the Kg/Lb SWITCH, located on the
back of the scale, to the unit of measurement of your choice.
PLACING THE SCALE
Make sure to place the scale on a level, dry and even surface.
Note: the scale must be re-activated when the battery has been replaced
or the scale has been moved to a different location.
WEIGHING YOURSELF
Press lightly on the top of the scale to activate. The LCD DISPLAY
on the scale will show “0000” and then shut off. It is now ready to use.
Note: the scale must be re-activated when the battery has been replaced
or the scale has been moved to a different location.
1.
2.
3.
1.
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2. Step on the scale, centering your feet on the 12 ELECTRODES on the top.
Be sure to cover as many of the ELECTRODES with your heels and balls
of your feet as possible.
3. Wait while the scale measures your weight. It will show on the LCD DISPLAY
in under 5 seconds.
SETTING UP BODY FAT/BODY WATER MODE
This scale can also be used to estimate your approximate body fat and water
composition. However, you need to enter some personal data first to set the
scale up for this function.
1. Set your Height
Press the MODE button to enter the body fat and body water estimation mode.
The height display blinks. Using the UP and DOWN buttons, scroll to your height.
Press the MODE button to confirm.
2. Set Age
After the height is confirmed, the age display blinks. Using the UP and DOWN
buttons, scroll to your age and press MODE to confirm.
3. Set Gender
After the age is confirmed, the gender display blinks. Using the UP and DOWN
buttons, choose your gender icon ( male/ female) and press MODE to confirm.
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4. Set Normal or Athlete
After the Gender is confirmed, the Normal or Athlete display blinks. Using the UP
and DOWN buttons, choose either Normal or Athlete and press MODE to confirm.
A beep sound indicates setting is complete. At this time the
R icon will show on
the LCD DISPLAY to indicate the scale is ready for use.
Note: The Normal/Athlete step is automatically bypassed for people under
18 years of age (see page 12 for explanation).
WEIGHING/ESTIMATING BODY FAT/BODY WATER
Step on the scale in bare feet, placing each foot directly over the
12 ELECTRODES with the heels and balls of your feet. The LCD DISPLAY
will show your weight for approximately 2 seconds. Stay on the scale.
The scale then begins to estimate your percentage of Body Fat, Total Body
Water, Muscle Mass and Bone Mass. The LCD DISPLAY will show each
estimation in order while computing.
A “beep” tone sounds when the computing is done. Continue to stay on the
scale and the percentage of Body Fat, Total Body Water, Muscle Mass and
Bone Mass will be displayed for 2 seconds sequentially a total of 3 times.
1.
2.
3.
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SETTING THE MEMORY
This scale has the memory capacity for 4 users. This will allow 4 people to store
and recall their own Height, Age, Gender and Normal/Athlete tendencies.
First, follow the steps to set your Height, Age, Gender and if you are
of Normal or Athletic build on page 12.
By pressing the UP or DOWN buttons, select a memory location.
The memory location will blink. When you have chosen the memory
location, press MODE to confirm.
When a memory location is chosen for the data you have entered,
the scale will beep and show a bar below the memory location. In addition,
the R will appear, letting you know that the scale is ready for use.
Follow these steps to store information for 3 more people.
USING THE SCALE WITH MEMORY
While the scale is off, press either the UP or DOWN arrow buttons to scroll
through the 4 memory locations.
Press MODE while on your selection. The
R will display, along with the
previously set Height, Age, Gender and Normal/Athlete selections.
Now you may proceed to step 1 of "Weighing/Estimating Body Fat/Body
Water" and receive your additional estimations according to your specific data.
1.
2.
3.
4.
1.
2.
3.
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CLEARING MEMORY
While the scale is off, press either the UP or DOWN arrow buttons to scroll
through the 4 memory locations.
When the memory location of your choice is showing a bar, press the UP
and DOWN buttons simultaneously, and that memory location will clear of
any preset data.
TURNING THE SCALE OFF
Press and hold the MODE key for 2 seconds and the scale will turn off, or the scale
will automatically shut off if no buttons have been pressed for 10 seconds.
IMPORTANT INFORMATION TO KNOW BEFORE USING YOUR BODY FAT SCALE
Why is it important to monitor percentage body fat (%BF)?
The absolute weight traditionally determines whether or not a person is obese.
Weight change in itself does not indicate whether it was the weight of body fat or
muscle that had changed. In weight management, it is desirable that muscle mass
be maintained while body fat is lost. Thus, monitoring the percentage fat of the
body is an important step toward successful weight management and body health.
1.
2.
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The optimal %BF of an individual varies according to age and gender.
The table as follows may be used as a guide:
Standard for Men
Rating
Age
20-29 30-39 40-49 50-59 60+
Low <13 <14 <16 <17 <18
Optimal 14-20 15-21 17-23 18-24 19-25
Moderate 21-23 22-24 24-26 25-27 26-28
High > 23 >24 >26 >27 >28
Standard for Women
Rating Age
20-29 30-39 40-49 50-59 60+
Low <19 <20 <21 <22 <23
Optimal 20-28 21-29 22-30 23-31 24-32
Moderate 29-31 30-32 31-33 32-33 33-35
High > 31 >32 >33 >34 >35
How is percentage body fat (%BF) estimated?
% of BF is estimated by a method called Bioelectrical Impedance Analysis (BIA).
The use of BIA to estimate body fat has been used since the seventies. It was
only in the past decade that the estimation of body fat using BIA technology
was successfully offered to the consumers in a compact bathroom scale.
With the BIA technology, a low intensity electrical signal is sent through the body.
The signal is very low and causes no bodily harm. Depending on the amount of
body fat of the individual, the electrical signal will flow with a different degree of
difficulty. The difficulty with which a signal flows through the body is called electrical
impedance. By measuring the electrical impedance and applying to the data a
proprietary algorithm, %BF can be estimated.
Note: The %BF estimated with this scale represents only an approximation
of your actual body fat. Clinical methods of estimating body fat can also be
ordered by your physician.
Why is it important to monitor percentage Total Body Water (%TBW) in the body?
Water is an essential component of the body and its level is one of the health indicators.
Water makes up approximately between 50-70% of the body’s weight. It is present
proportionally more in lean tissue compared to fat tissue. Water is a medium for
biochemical reactions that regulate body functions. Waste products are carried in
water from cells for excretion in urine and sweat. Water provides form to cells; helps to
maintain body temperature; provides moisture to skin and mucosa; cushions vital organs;
lubricates joints and is a component of many body fluids. The amount of water in the
body fluctuates with the hydration level of the body and state of health.
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Monitoring the level of body water can be a useful tool for one’s health maintenance.
Similar to body fat estimation, the %TBW function provided in this scale is based on
BIA.The estimated %TBW may vary according to your hydration level, that is, how
much water you have drunk or how much you have sweated immediately prior to
the estimation. For better accuracy, avoid fluctuation in hydration level prior to the
estimation. The accuracy of the scale in estimating TBW will also decrease with
individuals suffering from diseases that tend to accumulate water in the body.
The optimal %TBW of an individual varies according to age and gender. The table
as follows may be used as a guide: (Source: University of Illinois Medical Center,
Chicago, IL USA)
%BF Range Optimal %TBW Range
4 to 14% 70 to 63%
Men 15 to 21% 63 to 57%
22 to 24% 57 to 55%
25 and over 55 to 37%
4 to 20% 70 to 58%
Women 21 to 29% 58 to 52%
30 to 32% 52 to 49%
33 and over 49 to 37%
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IMPORTANT: Please note that the %TBW estimated with the scale
represents only a good approximation of your TBW. Clinical methods
of estimating total body water can also be ordered by your physician.When
should I use the scale’s body fat and total body water functions?
For maximum accuracy and repeatability, it is recommended that the scale’s body
fat and total body water functions be used at approximately the same time of the
day, e.g. before breakfast in the morning. It is also a good practice to avoid swings
in hydration level of the body prior to the estimation. Establishing your own baseline
value of %BF and %TBW and track their changes is better than merely comparing
your %BF and %TBW value to the population’s “normal” value.
Why is the Athlete Mode necessary in a Body Fat Analyzer?
It has been found that body fat estimation using BIA could overestimate the
percentage body fat of adult elite athletes. The physiological variation of athletes in
bone density and level of hydration are two of the reasons said to account for the
difference. The Athlete mode is selectable only for adults of 18 years of age or older.
Definition of an Athlete
The general consensus among researchers is that a quantitative dimension could
be used in defining an athlete. For example, an athlete could be defined as a person
who consistently trains a minimum of three times per week for two hours each time,
in order to improve specific skills required in the performance of their specific sport
and/or activity.
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What is Muscle Mass?
The scale estimates the weight of Skeletal Muscle Mass in your body. You’ve got
around 650 muscles in your body, and they make up roughly half of your body weight.
These muscles can be divided into three different groups: Skeletal, Smooth and
Cardiac. All of these muscles can stretch and contract, but they perform very
different functions.
Skeletal muscle: Produces movement, maintains posture, stabilizes joints
and generates heat
Smooth muscle: Found in the walls of hollow organs
Cardiac muscle: Exists only in your heart
Skeletal muscle
The tissue most commonly thought of as muscle is skeletal muscle. Skeletal muscles
cover your skeleton, giving your body its shape. They are attached to your skeleton by
strong, springy tendons or are directly connected to rough patches of bone. Skeletal
muscles are under voluntary control, which means you consciously control what they
do. Just about all body movement, from walking to nodding your head, is caused
by skeletal muscle contraction. Your skeletal muscles function almost continuously
to maintain your posture, making one tiny adjustment after another to keep your
body upright. Skeletal muscle is also important for holding your bones in the correct
position and prevents your joints from dislocating. Some skeletal muscles in your face
are directly attached to your skin. The slightest contraction of one of these muscles
changes your facial expression. Skeletal muscle generates heat as a by-product of
muscle activity. This heat is vital for maintaining your normal body temperature.
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Skeletal muscle represents approximately 30% of body weight of a healthy
127lb woman or 40% of a 154lb man. (International Commission on Radiological
Protection, 1975)
What is Bone Mass?
The scale estimates the weight of non-living bone mineral content. This is important
for monitoring and maintaining healthy bones through exercise and a calcium-rich diet.
An adult skeleton is made up of 206 bones, which come in several different shapes
and sizes and have specific structure. Your bones contain blood vessels, nerve cells
and living bone cells known as osteocytes. These are held together by a framework
of hard, non-living material containing calcium and phosphorous. A thin membrane
called the periosteum covers the surface of your bones.
Bone Mineral Content differs according to age and sex. For Adults: The average
bone mineral content of 15-29 year old female is approximately 6lb, that for
15-29 year old male is approximately between 6 and 7.75lb. (Rico et al. 1993)
For Children: The average bone mineral content of 8-16 year old child is
approximately between 1.7 and 4.85lb. (Faulkner et al. 1993)
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SPECIFICATIONS
Capacity: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330lb or 150kg
Graduation: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2lb or 100g
Body fat graduation: . . . . . . . . . . . . . . . . . . . . . . . . . 0.1%
Body water graduation: . . . . . . . . . . . . . . . . . . . . . . . 0.1%
Bone mass graduation: . . . . . . . . . . . . . . . . . . . . . . . 0.25lb
Muscle mass graduation: . . . . . . . . . . . . . . . . . . . . . 0.25lb
Age range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 to 99 years
Height range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3'3.4" to 7'2.6" (100 to 220cm)
Body fat range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 50% ('E' version); 5 to
50% ('A' version)
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9V alkaline battery (6LR61
or equivalent) (not included)
Product dimension: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5"l x 12.5"w x 1.8"h (Approx.)
Product weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.30lb (Approx.)
Accuracy of weight measurement: . . . . . . . . . . . . . ±1.5lb (16~176lbs);
±3lbs (176~330)
Output power for Body Fat Analyzer: . . . . . . . . . . <300uA
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Users
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CARE AND MAINTENANCE
Do not disassemble the scale other than replacing the battery;
it contains no user serviceable parts. Damage to the scale may
occur as a result of improper handling.
Clean the scale with a soft, damp cloth after use. Do not use solvents
of any kind or immerse the unit in water.
Avoid excessive impact or vibration to the scale, such as shaking
or dropping it onto the floor.
•
•
•
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No weight displays.
The screen
displays “LO”.
The message
“ERR 0” displays.
The message
“ERR 3” displays.
The message
“ERR 2” displays.
The message
“ERR 1” displays.
TROUBLESHOOTING
ISSUE SOLUTION
Check if the scale has a battery inserted
and is activated.
Battery is running low. Replace the battery.
Initialization error. Step off the scale and try again.
Start the scale again by pressing lightly on the scale
platform to re-initialize the scale.
Instability error. Step off the scale and wait until the
scale automatically switches off. Step on the scale
again, and stand still while computation is in progress.
Overload warning. Remove the weight immediately;
otherwise, permanent damage to the scale will occur.
Contact error. Impedance cannot be measured.
Please make sure that you are standing still on the
scale and are maintaining maximum contact between
your feet and the metal contacts. You may need to
moisten your feet to improve the electrical contact.
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The message
“ERR 5” displays.
The message
“ERR 4” displays.
After I tried to correct
the errors, the scale
did not respond.
TROUBLESHOOTING (CONTINUED)
ISSUE SOLUTION
Estimated Body Fat percentage is beyond
the technical limit. Moistening your feet may
help to improve the electrical contact.
Percentage Total Body Water is out of range.
Moistening your feet may help to improve the
electrical contact.
If Err 1 to Err 5 persist after following the prior
corrective actions, remove and reinsert the battery
after 1 minute to reset the scale.
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