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Weight and Body Fat

How does it work?

While body fat can be measured in many ways, the method used in your scale

is bioelectrical impedance. This indirect method of determining body fat starts when

a safe and very low electrical current is sent through the lower half of the body.

The electrical current flows more quickly through water and muscle than it will

t h r ough bone and fat. The scale measures the speed of the current. Based on this

n u m b e r, the scale estimates body fat using a multi-step, mathematical formula.

Is it accurate?

M e a s u r ements of body fat tend to fluctuate a lot more than simple weighing,

and diff e rent methods of estimating body fat yield very diff e rent results. Just as

d i f f e r ent scales give diff e r ent results, diff e r ent body fat analyzers can provide very

d i f f e r ent body fat estimates. Even with the same scale the numbers will vary because:

• Weight loss tends to produce substantial, continuous, and unpredictable changes

in body water content. Because body fat analysis is determined by water content

in the body, results can vary considerably from day to day.

• Hydration status affects body fat results. If you’ve just worked out, there is less

water for the electrical current to flow through. This may result in a higher body

fat result. In the same way, if you measure your body fat after drinking a lot of

fluid, it may appear that body fat is lower than it really is.

• Skin temperature can have an influence also. Measuring body fat in warm humid

weather when skin is moist will yield a diff e r ent result than if skin is cold and dry.

• As with weight, when your goal is to change body composition it is better to track

t r ends over time than to use individual daily re s u l t s .

• Results may not be accurate for persons under the age of 16, or persons with

an elevated body temperature, diabetes or other health conditions.

What you need to know!

• P e r cent body fat refers to the number of pounds of fat divided by your total body

weight and multiplied by 100.

• During weight loss, percent body fat doesn’t appear to be reduced as quickly

as expected because total weight loss and total body fat are decreasing at the

same time (for a more detailed explanation, see next section).

• Weight loss in the form of body fat and lean tissue (muscle) is common, and is norm a l .

• To minimize the loss of lean tissue, include regular physical activity, especially

s t r ength training, in your weight-loss plan.

Why do I lose weight but my body fat percentage doesn’t change much?

Most body fat monitors show body fat as a percentage only. This body fat

monitor shows you not only a percentage but the actual number of body fat

pounds (in fact, this is the measurement you see after your weight is displayed).

Why is that important? When you lose weight, both the numerator (pounds of body

fat) and denominator (total body weight) go down, so when it’s calculated as a body

fat percentage, the number can be small. For example, a person may weigh 200

pounds and have 40% body fat (= 80 pounds of body fat). He/She loses 20 pounds,

but the body fat has only dropped 4% to 36%. That 4% of body fat was 16 pounds

of fat – a very significant amount! So do not be overly concerned if you do not see

the percentage change quickly as you are losing weight: monitor the absolute

number of body fat pounds lost. Remember, to minimize the loss of lean tissue,

include regular physical activity, especially strength training, in your weight-loss plan.

About BMI

BMI stands for Body Mass Index, a statistical term derived from height and weight.

WW71C_IB-6200A 3/21/07 7:49 AM Page 1

Summary of content (16 pages)

PAGE 1
WW71C_IB-6200A 3/21/07 7:49 AM Page 1 Weight and Body Fat How does it work? While body fat can be measured in many ways, the method used in your scale is bioelectrical impedance. This indirect method of determining body fat starts when a safe and very low electrical current is sent through the lower half of the body. The electrical current flows more quickly through water and muscle than it will through bone and fat. The scale measures the speed of the current.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 2 It is closely linked to body fat and health outcomes. Over 50 organizations, including the US Government and the World Health Organization, have adopted BMI guidelines. BMI is inversely related to fitness, meaning that the higher your BMI, the less likely you are to be fit. Every time your body fat monitor reads your weight and calculates your body fat, it also calculates your BMI.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 3 fat composition. Always keep in mind that you know your body best.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 4 Important Information Concerning Weight Management Your scale is the best tool for monitoring weight. While not the only measure of weight loss, scales are the most popular method used to gauge weight-loss success. A scale measures the sum of your total body weight, which includes bone, muscle, fat, and water. Body weight fluctuates during the day, and from day to day, depending on a variety of factors.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 5 Facts You Should Know Your Weight Watchers scale is a precise measuring instrument that is most accurate when weighing a stationary object. To ensure accurate readings, always try to stand on the same area of the scale platform and DO NOT MOVE. Should the weight on the scale exceed the scale’s capacity, you may see an error message ”ERR”. Electronic sensors are sensitive. Be careful not to drop or jar the scale.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 6 LIMITED TEN YEAR WARRANTY Conair will repair or replace, at our option, your appliance free of charge for 120 months from the date of purchase if the appliance is defective in workmanship or materials. To obtain service under this warranty, return the defective product to the service centre nearest you, together with your sales slip and $7.00 for postage and handling. In the absence of a receipt, the warranty period shall be 120 months from the date of manufacture.
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WW71C_IB-6200A 3/21/07 7:49 AM Service Centre: Conair Consumer Products Inc. 100 Conair Parkway, Woodbridge, Ontario L4H 0L2 Page 7 1-800-472-7606 www.conaircanada.ca ©2007 Conair Consumer Products Inc. 100 Conair Parkway, Woodbridge, Ontario L4H 0L2. ©2007 Weight Watchers International Inc. All rights reserved. Weight Watchers is the registered trademark of Weight Watchers International Inc. and used under license.
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WW71C_IB-6200A 3/21/07 Scales by 7:49 AM Page 8 ™ Instructions for use of Weight Watchers bathroom scale Congratulations! By purchasing this Weight Watchers Scale, you’ve made the first step toward taking control of your weight. To get the greatest benefit from your purchase, please read this entire brochure before using your scale.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 9 Before Using Scale 1. Set switch on the base of scale to measure in kg (kilograms) or lb (pounds). 2. Set scale on floor. Surface must be level for accurate operation and safety. Using the Weight Only Mode • Instructions for customizing your Weight Watchers Body Fat Monitor and Weight Tracker are below. However, the scale does not need to be programmed to operate as a simple weigh scale. • Tap the scale to turn it on. The display will light up.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 10 4. Note: If you attempt to set up a user number that is already in use, the display will flash the word “dAtA”. If you press the SET button, you will overwrite the existing user data. All existing data will be lost. If you press another user button, you will proceed to that profile to enter your data. If you do nothing, the scale display will time out in 30 seconds and no data is overwritten or lost. SETTING A PASS CODE 1.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 11 SETTING BMI LEVEL The scale automatically calculates your Body Mass Index (BMI) and based on that calculation and other data, assigns a BMI level (L1, L2, L3, L4, L5) which is closely related to fitness (see section “About BMI Levels”). For many people, the initial level will be L2 or L3. The BMI level is assigned automatically and you do not need to program it. To leave the automatically assigned level in place, you do not need to do anything.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 12 GOAL WEIGHT 1. Following established health guidelines, the scale will now automatically calculate your goal as 10% off your start weight. 2. The Goal weight blinks. • Press the SET button within 30 seconds to accept your automatically calculated goal weight. Goal weight becomes stable. • Or press the up or down arrows to change the goal weight manually and then press the SET button once the desired goal weight has been reached. Goal weight becomes stable. 3.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 13 SELECT USER NUMBER In power off mode, press the correct user button. Your user number appears on the screen (i.e. P-2) and blinks 3 times. ENTER PASS CODE 1. If you have set a pass code, “C” appears and blinks until the correct 4-digit code is entered. 2. Enter your 4-digit code by pressing the numbered user buttons. 3. The correctly entered code becomes stable. 4. If no code has previously been set or after the correct code is entered, the display goes to “0.0”.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 14 BODY WATER PERCENTAGE The letters “BW” for body water (also called hydration) light up and your body water percentage displays. The 7-day chart to the right of the digit display will display your body water percentages for the last 7 days (with today’s measurement on the far right). BMI The letters “BMI” for Body Mass Index light up and your body mass index displays.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 15 DELTA GOAL After a few seconds display of Delta Start, DELTA GOAL illuminates on the display. Delta Goal is the difference between your current weight and your goal weight. Delta Goal = Current Weight – Goal Weight. After the Delta Goal display, the scale will time out unless another button is pressed. See below for options of scrolling through different displays.
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WW71C_IB-6200A 3/21/07 7:49 AM Page 16 Display Times out Delta Last/Last Weight Delta Start-/Start Weight Delta Goal/Goal Weight User can press and hold SET button without releasing it to scroll through only absolute weight readings. Last Weight Start Weight Goal Weight REVIEWING BODY FAT DATA 1. In power off mode, press the correct user number. User number appears on the screen (i.e. P-2) and blinks 3 times. While user number is blinking, press up arrow twice. 2.