Polar Heart Rate Monitor FS1 User Manual

Manufactured by  
Polar Electro Oy  
Professorintie 5  
FIN-90440 KEMPELE  
Tel +358 8 5202 100  
Fax +358 8 5202 300  
User Manual  
Manuel d’Utilisation  
Manual del Usuario  
Manual do Utilizador  
www.polar.fi  
Polar FS1/FS2/FS3™  
17927466.00 USA/FRA/ESP/PRT B  
 
Dear Customer,  
Congratulations on your purchase of a new Polar FS1/FS2/FS3™ Fitness Heart Rate Monitor!  
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This manual contains the information you need to use and maintain your product. Please read  
this through to understand how to use the functions and get the most out of your Polar heart rate  
monitor.  
Please check our web sites for your personalized exercise program and online diary, as well as for  
versatile tips and background information for your exercise:  
www.Polar.fi  
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QUICK GUIDE  
Time of Day  
Display  
In the Exercise  
mode you can  
measure your  
heart rate.  
In the File mode  
you can see your  
latest exercise  
information.  
In the Zone mode In the Time mode In the Date  
In the User  
mode you can  
set your age.  
(FS3)  
you can set the  
heart rate limits  
manually.  
you can set the  
time of day.  
mode you can  
set the date.  
(FS2/FS3)  
Wait for 3 secs.  
Heart Rate  
Wait for 3 secs.  
Wait for 3 secs.  
Wait for 3 secs.  
Wait for 3 secs.  
Wait for 3 secs.  
Set age  
Total Exercise  
duration  
Target heart  
rate zone alarm  
ON/OFF  
Select 12h/24h  
time mode  
Set month/day  
or  
Set day/month  
Heart Touch*  
Exercise duration  
Time of day  
Average  
heart rate  
Select AM/PM  
(in 12h time  
mode)  
Set upper limit  
Set lower limit  
Set weekday  
Maximum  
heart rate  
Set hours  
Current  
Heart rate  
Exercise date  
Set minutes  
You can return to the Time of Day display from any mode except Exercise mode by pressing and holding the front button.  
*Heart Touch changes display in Exercise mode.  
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CONTENTS  
Information specific only to the FS2/FS3 products is marked in blue.  
Information specific only to the FS3 product is marked in gray background.  
All other information applies to all three products: FS1, FS2 and FS3.  
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1. INTRODUCTION TO THE FS1, FS2 AND FS3  
HEART RATE MONITORS ............................................. 6  
1.1 HEART RATE MONITOR ELEMENTS ...............................6  
1.2 WRIST UNIT FRONT BUTTON AND  
5. CARE AND MAINTENANCE..........................................20  
6. PRECAUTIONS...........................................................21  
6.1 INTERFERENCE DURING EXERCISE............................21  
6.2 MINIMIZING POSSIBLE RISKS WHEN  
DISPLAY SYMBOLS.......................................................7  
EXERCISING...............................................................22  
2. EXERCISING................................................................9  
2.1 MEASURING YOUR HEART RATE...................................9  
2.2 FUNCTIONS DURING EXERCISE..................................11  
2.3 STOPPING THE EXERICSE ..........................................12  
7. FREQUENTLY ASKED QUESTIONS...............................23  
8. TECHNICAL SPECIFICATIONS....................................24  
9. LIMITED POLAR INTERNATIONAL GUARANTEE ...........25  
10. DISCLAIMER..............................................................26  
3. CHECKING SAVED EXERCISE INFORMATION..............13  
4. SETTINGS ..................................................................14  
4.1 TIME SETTING............................................................14  
4.2 DATE SETTING (FS2/FS3) ...........................................15  
4.3 USER SETTINGS (FS3)................................................17  
4.4 HEART RATE LIMITS...................................................18  
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1. INTRODUCTION TO THE FS1, FS2 AND FS3 HEART RATE MONITORS  
The following chapter contains information on the elements of the FS1/FS2/FS3 heart rate monitors and how to get started.  
1.1 HEART RATE MONITOR ELEMENTS  
Wrist Unit  
The wrist unit displays your heart rate, exercise time, and  
the time of day. You can also wear it as a watch.  
Polar Transmitter  
Wear the transmitter while exercising. The electrode areas  
are on the back of the transmitter. The electrodes detect your  
heart rate continuously and it is transmitted to the wrist unit.  
Elastic Strap  
The elastic strap holds the transmitter around your chest.  
Polar Web Services  
tailored to support your exercise. Free registration gives  
you access to the exercise diary, tests and calculators,  
reports and useful articles. Moreover, you can get the latest  
product tips and support online at www.polar.fi.  
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1.2 WRIST UNIT FRONT BUTTON AND DISPLAY SYMBOLS  
This section contains information on how to operate the wrist unit and a symbols guide for reading the data on the display.  
Polar FS1, FS2 and FS3 heart rate monitors have one operating front button.  
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Front button functions:  
• Start and stop heart rate measurement and stopwatch.  
• Move forward to the next mode.  
• Lock your selection/desired value.  
• Return to the Time of Day display from any mode except Exercise mode (EXE) by pressing and holding the button.  
• Activate the target heart rate zone alarm in Exercise mode by pressing and holding the button.  
• Activate the backlight FS2/FS3  
- You can activate the night mode in the Time of Day display by pressing and holding the front button. A button press  
activates the backlight in any mode if the night mode is active. The night mode is turned off automatically after five  
minutes timeout if you do not press the front button. If you press the front button again before the timeout occurs,  
the backlight is activated again, and the timeout is reset. If you start to exercise when the night mode is on,  
the mode stays on until the end of the exercise. During the exercise you can activate the backlight with Heart Touch.  
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Display symbols  
Clock symbol indicates the time of day in Exercise and Time Settings mode.  
The target heart rate zone alarm symbol indicates when the target heart rate zone alarm is  
on in the Exercise mode.  
Heart symbol indicates that your heart rate is being measured and that heart rate is inside  
the target heart rate zone.  
MON TUE WED THU FRI SAT SUN  
Weekday indicator indicates the weekday in the Time of Day display. Weekdays are printed  
on the display frame (FS2/FS3).  
The battery symbol in the Time of Day display indicates that the wrist unit battery is low.  
For further information see the Care and Maintenance chapter on page 20.  
The menu level indicator shows you the number of menu items. When browsing the menu,  
the  
symbol indicates where you are in the current menu level.  
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2. EXERCISING  
This chapter contains information on how to start to use  
your heart rate monitor for the first time, and how to wear  
the transmitter.  
2. Adjust the transmitter’s strap  
length to fit snugly and  
comfortably. Secure the strap  
around your chest, just below  
the chest muscles, and buckle  
the strap to the transmitter.  
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Before you start exercising it is recommended that you set  
your target heart rate limits and alarm. For further  
information, see Heart Rate Limits chapter on page 18.  
3. Lift the transmitter off your  
chest and moisten the two  
grooved electrode areas  
on the back. Check that the  
wet electrode areas are firmly  
against your skin and that  
the Polar logo is in a central,  
upright position.  
2.1 MEASURING YOUR HEART RATE  
To measure your heart rate you need to wear the transmitter.  
Check that you are not near other people with heart rate  
monitors or any source of electromagnetic disturbances  
(for further information on interference, see the Precautions  
chapter on page 21).  
4. Wear the wrist unit as a watch.  
1. Attach one end of the  
transmitter to the elastic  
strap.  
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5. In the Time of Day display,  
press the front button to  
enter the menu. EXE (Exercise)  
is displayed. If you will need  
the backlight during the  
7. Your heart rate and the heart  
symbol will appear within  
15 seconds.  
exercise, activate the night  
mode by pressing and holding  
the front button in the Time of  
Day display (FS2/FS3).  
A flashing heart symbol indicates an ongoing heart rate  
measurement. The heart symbol flashes at the pace of your  
heart.  
6. After three seconds the wrist  
unit goes into Exercise mode  
and the stopwatch starts.  
The stopwatch is displayed  
and the outline of the heart  
symbol will flash until your  
heart rate is detected.  
Note:  
• Please allow sufficient time for signal pick up.  
• If the wrist unit does not receive your heart rate, the stopwatch  
keeps running and the flashing heart frame symbol disappears.  
Check that the transmitter electrodes are wet and that the  
strap is snug enough.  
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The heart rate value also flashes and the target heart rate  
zone alarm beeps (if you have set the alarm on) outside the  
target zone.  
2.2 FUNCTIONS DURING EXERCISE  
Checking Exercise Information  
Heart Touch  
2. Exercise Duration (Displayed  
as minutes and seconds up  
until one hour of exercise,  
then displayed as hours and  
minutes.)  
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By bringing the wrist unit  
close to the Polar logo on the  
transmitter you can change the  
display information (Heart Rate /  
Exercise Duration / Time of Day) during the exercise.  
Keep the wrist unit close to the logo, until the desired  
information is displayed.  
3. Time of Day  
1. Current Heart Rate  
symbol indicates that your  
heart rate is inside the target  
heart rate zone.  
Illuminating the Display (FS2/FS3)  
If you have activated the night mode in the Time of Day  
display before starting the exercise by pressing and holding  
the front button, Heart Touch activates the backlight.  
symbol indicates that you are below your target  
heart rate zone.  
Note: If you have activated the night mode, first Heart Touch  
activates the backlight. In order to change the display information,  
you need to keep the wrist unit close to the Polar logo on the  
transmitter until the desired information is displayed.  
symbol indicates that you are above your target  
heart rate zone.  
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Exercise Time Indicator  
Switching Target Heart Rate Zone Alarm ON or OFF  
In the Exercise mode you can turn the audible target heart  
rate zone alarm ON or OFF by pressing and holding the  
front button. The target heart rate zone alarm symbol  
beside the heart symbol will appear/disappear.  
Each of the six exercise time indicators represents  
10 minutes of exercising. When you start the exercise,  
minutes and seconds are displayed, and the first exercise  
time indicator starts to flash. You can see exercise duration  
graphically all the time, in every exercise mode.  
Note: It is recommended to switch the target heart rate zone alarm  
ON or OFF before you start exercising in order to avoid accidental  
ending of the exercise.  
2.3 STOPPING THE EXERCISE  
Press the front button to stop  
the exercise recording. STOP  
is displayed and the wrist unit  
returns to the Time of Day  
display.  
After one hour of  
exercising, the indicators  
start to fill in again.  
After 10 minutes of  
exercising the second  
indicator starts to  
flash.  
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3. CHECKING SAVED EXERCISE INFORMATION  
Your exercise information is in the memory of the wrist  
unit until the next time you start the stopwatch. Then your  
previous training information will be replaced by the new  
one. FILE is protected for accidental start and information  
is saved only if the exercise recording has been on for more  
than one minute.  
3. Press the front button. Your  
average heart rate of the  
exercise session is displayed.  
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4. Press the front button. Your  
maximum heart rate of the  
exercise session is displayed  
(FS2/FS3).  
1. In the Time of Day display,  
press the front button until  
FILE is displayed.  
5. Press the front button. The  
date of your latest exercise  
session is displayed  
(FS2/FS3).  
2. Wait for three seconds to  
enter the File. Your total  
exercise duration is  
displayed.  
6. Press the front button to return to the Time of Day  
display.  
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4. SETTINGS  
4.1 TIME SETTING  
3. If you selected 12h time mode, AM or PM is flashing.  
Press the front button to select  
AM or PM.  
1. In the Time of Day display, press the front button until  
TIME is displayed. Wait for three seconds to enter the  
time settings.  
Wait until OK? is displayed.  
To approve you choice, press the  
front button.  
2. 12h or 24h is flashing.  
Press the front button to  
select 12h or 24h.  
4. Hours flash on the display.  
When  
is on the display,  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
Wait until OK? is displayed.  
To approve your choice, press  
the front button.  
mode  
after two seconds.  
If you do not approve your choice  
within three seconds, the wrist  
unit will return to the time mode  
selection.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
mode  
after two seconds.  
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When the desired value is on the display, wait until the  
wrist unit goes to minutes setting.  
4.2 DATE SETTING FS2/FS3  
The date is displayed differently depending on which time  
mode (12h or 24h) has been chosen.  
5. Minutes flash on the display.  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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12h time mode:  
MONTH - DAY  
24h time mode:  
DAY - MONTH  
When  
is on the display,  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
1. In the Time of Day display, press the front button until  
DATE is displayed. Wait for three seconds to enter the  
date settings.  
2. The value for the month (in 12h time mode) or the day  
(in 24h time mode) is flashing.  
mode  
after two seconds.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
When  
is on the display,  
increase the value by pressing  
the front button.  
mode  
after two seconds.  
If you increase the value, the  
wrist unit goes into decrease  
When the desired value is on the display, wait until OK? is  
displayed. To approve your choice, press the front button.  
The wrist unit will return to the Time of Day display.  
mode  
after two seconds.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
mode  
after two seconds.  
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When the desired value is on the display, wait until the  
wrist unit goes to the day (in 12h time mode) or the month  
(in 24h time mode) setting.  
4. DAY is displayed. The weekday indicator is flashing.  
The weekdays are printed on the display frame.  
When  
is on the display, press the front button to select  
3. The value for the day (in 12h time mode) or the month  
(in 24h time mode) is flashing.  
the weekday.  
Weekday Indicator  
MON TUE WED THU FRI SAT SUN  
MON = Monday  
TUE = Tuesday  
WED = Wednesday  
THU = Thursday  
FRI = Friday  
When  
is on the display,  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
SAT = Saturday  
SUN = Sunday  
mode  
after two seconds.  
If you need to move the weekday indicator to the previous  
When  
is on the display, you can decrease the value by  
weekday, wait until  
front button.  
is on the display and then press the  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
mode  
after two seconds.  
Wait until OK? is displayed, and press the front button to  
approve your choice.  
The wrist unit returns to the Time of Day display.  
When the desired value is on the display, wait until OK? is  
displayed. To approve your choice press the front button.  
Note: In a leap year, the wrist unit will skip the 29th of February.  
Correct the date in the date settings.  
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3. When the desired value is on the display, wait until OK?  
is displayed. To approve your choice, press the front  
button.  
4.3 USER SETTINGS (FS3)  
Setting Age  
1. In the Time of Day display, press the front button until  
USER is displayed. Wait for three seconds to enter the  
user settings.  
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ZONE SET is displayed to inform that the age-based heart  
rate limits are set.  
2. AGE is displayed for two seconds.  
The digits for years are flashing.  
The wrist unit returns to the Time of Day display.  
Note: When setting your age, current heart rate limits will be  
overwritten by age-based heart rate limits (if you have earlier  
set heart rate limits manually). If you want, you can change the  
age-based heart rate limits in ZONE mode afterwards.  
When  
is on the display,  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
Note: If you do not change the value within three seconds, OK?  
is displayed. To approve your choice, press the front button.  
If you do not approve your choice within three seconds, the wrist  
unit returns to selection mode.  
mode  
after two seconds.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
mode  
after two seconds.  
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The wrist unit goes to the manual setting of heart rate  
limits.  
4.4 HEART RATE LIMITS  
Before exercising, it is recommended that you set your  
target heart rate limits and alarm. In this way you can  
make sure that you are exercising at the right intensity  
level. For further information on your personal target heart  
rate, see the Easy Guide to Fitness that was included in the  
product package.  
Setting Target Heart Rate Limits Manually  
3. HIGH is displayed for two seconds.  
A default setting of 160 for the upper limit is flashing.  
Alternatively, an age-based limit is displayed if you have  
set your user information (FS3).  
The Polar heart rate monitor automatically calculates your  
heart rate limits based on age, if you have set your user  
information (FS3).  
When  
is on the display,  
Setting Audible Target Heart Rate Zone Alarm  
ON/OFF  
1. In the Time of Day display, press the front button until  
ZONE is displayed. Wait for three seconds to enter the  
target zone alarm settings.  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
mode  
after two seconds.  
2. BEEP is displayed for two seconds. ON or OFF is flashing.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
Press the front button to select  
ON or OFF.  
mode  
after two seconds.  
Wait until OK? is displayed.  
To approve you choice, press the  
front button.  
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4. When the desired value is on the display, wait until OK?  
is displayed. Press the front button to approve your  
choice.  
6. When the desired value is on the display, wait until OK?  
is displayed. Press the front button to approve your  
choice.  
5. LOW is displayed for two seconds.  
The wrist unit returns to the Time of Day display.  
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A default setting of 80 for the lower limit is flashing.  
Alternatively, an age-based limit is displayed if you have  
set your user information (FS3).  
When  
is on the display,  
increase the value by pressing  
the front button.  
If you increase the value, the  
wrist unit goes into decrease  
mode  
after two seconds.  
When  
is on the display, you can decrease the value by  
pressing the front button.  
If you decrease the value, the wrist unit returns to increase  
mode  
after two seconds.  
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5. CARE AND MAINTENANCE  
Your Polar heart rate monitor is a high-tech instrument and should  
be treated with care. The suggestions below will help you fulfill the  
guarantee obligations.  
Transmitter Battery  
The estimated average battery lifespan of the transmitter is  
2500 hours of use. If you suspect that the transmitter battery has  
discharged, contact your authorized Polar Service Center for a  
replacement transmitter. Polar recycles used transmitters.  
Store your heart rate monitor in a cool, dry place. Do not store it  
in any kind of non-breathing material, such as a plastic bag or a  
sports bag if it is wet.  
Wrist Unit Battery  
The estimated average battery lifespan of the wrist unit is two years  
Service  
with normal use (1h/day, 7 days a week). The  
indicates a low  
During the two-year guarantee/warranty period, we recommend  
that your product is serviced by an authorized Polar Service Center  
only. The warranty does not cover damage or consequential damage  
caused by any service not authorized by Polar Electro.  
battery and that the battery should be replaced. Please note that  
excessive use of the alarm signal and the backlight (FS2/FS3) will  
drain the battery more rapidly. Do not open the wrist unit yourself.  
To ensure the water resistance properties and the use of qualified  
components, the wrist unit battery should be replaced by an authorized  
Polar Service Center only. At the same time, a full periodic check of  
the Polar heart rate monitor will be done.  
Taking Care of Your Polar Heart Rate Monitor  
• Keep your unit clean. Clean it with a mild soap and water  
solution. Dry it carefully with a soft towel. Never use alcohol or  
any abrasive material such as steel wool or cleaning chemicals.  
• Never store the transmitter when it is wet. Sweat and moisture  
can keep its electrodes wet and the transmitter activated,  
which shorten the lifespan of the battery.  
Note:  
• In cold conditions, the low battery indicator may appear,  
but the indicator is deactivated when you return to a normal  
temperature.  
• Keep your heart rate monitor out of extreme cold and heat.  
The operating temperature is 14°F to 122°F / -10°C to +50°C.  
• Do not expose the heart rate monitor to direct sunlight for  
extended periods, eg. by leaving it in a car.  
• Water resistance cannot be guaranteed after unauthorized  
service.  
• The sounds and the backlight FS2/FS3 are disabled when  
the battery is low, in order to optimize the battery lifespan.  
• Do not bend or stretch the transmitter. This may damage the  
electrodes.  
• Do not dry the transmitter in any other way than with a towel.  
Mishandling may damage the electrodes.  
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6. PRECAUTIONS  
Crosstalk  
6.1 INTERFERENCE DURING EXERCISE  
The Polar wrist unit picks up transmitter signals within 3 feet/  
1 meter. Simultaneous signals from more than one transmitter can  
cause incorrect readings.  
Electromagnetic Interference  
Interference may occur near high voltage power lines, traffic lights,  
overhead lines of electric railways, electric bus lines or trams,  
televisions, car motors, bike computers, some motor-driven exercise  
equipment, cell phones or when you walk through electric security  
gates.  
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Using Your Polar Heart Rate Monitor in Water  
Your Polar heart rate monitor is water resistant and can be used  
when swimming. To maintain the water resistance, do not press the  
button of the wrist unit under water.  
Exercise Equipment  
Users measuring their heart rate in water may experience  
interference for the following reasons:  
• Pool water with a high chlorine content and seawater are very  
conductive. The electrodes of a transmitter may short-circuit,  
which prevents ECG signals from being detected by the  
transmitter.  
• Jumping into water or strenuous muscle movement during  
competitive swimming may cause water resistance that shifts  
the transmitter on the body to a location where it is not  
possible to pick up an ECG signal.  
• ECG signal strength is individual and also varies depending  
on an individual’s tissue composition. The percentage of  
people who have difficulties with heart rate measurement is  
considerably higher in water than in other use.  
Several pieces of exercise equipment with electronic or electrical  
components such as LED displays, motors, and electric brakes may  
cause interference with stray signals. To try to solve the problem,  
relocate your wrist unit as follows:  
1. Remove the transmitter from your chest and use the exercise  
equipment as you would normally.  
2. Move the wrist unit around until you find an area where it  
displays no stray reading or the heart symbol does not flash.  
Interference is often worst right in front of the display panel of  
the equipment, while the left or right side of the display is  
relatively free from interference.  
3. Put the transmitter back on your chest and keep your wrist unit  
in this interference-free zone as much as possible.  
4. If the Polar heart rate monitor still does not work with the  
exercise equipment, this piece of equipment may be electrically  
too noisy for wireless heart rate measurement.  
21  
 
It is important to be sensitive to your body’s reactions during  
exercise. If you feel unexpected pain or excessive fatigue when  
exercising, it is recommended to stop the exercise or continue at a  
lighter intensity.  
6.2 MINIMIZING POSSIBLE RISKS  
WHEN EXERCISING  
Exercise may include some risk, especially for those who have been  
sedentary.  
Notice to persons with a pacemaker, defibrillator or other  
implanted electronic device. Persons who have a pacemaker use  
the Polar heart rate monitor at their own risk. Before starting use,  
we always recommend an exercise test under doctor’s supervision.  
The test is to ensure the safety and reliability of the simultaneous  
use of the pacemaker and the heart rate monitor.  
Before starting a regular exercise program, you are recommended  
to answer the following questions for health status checking. If  
the answer is yes to any of the questions, we recommend that you  
consult a doctor before starting an exercise program.  
• Have you been physically inactive for the past 5 years?  
• Do you have high blood pressure?  
• Do you have high blood cholesterol?  
• Do you have symptoms of any disease?  
• Are you taking any blood pressure or heart medication?  
• Do you have a history of breathing problems?  
• Are you recovering from a serious illness or medical  
treatment?  
If you are allergic to any substance that comes into contact with  
the skin or if you suspect an allergic reaction due to using the  
product, check the listed materials in the Technical Specifications  
chapter, page 24. To avoid any skin reaction risk with the transmitter,  
wear it over a shirt. However, moisten the shirt well under the  
electrodes to ensure flawless operation.  
Note: The combined impact of moisture and intense abrasion may  
cause a black color to come off the transmitter’s surface, which  
may stain light-colored clothes.  
• Do you use a pacemaker or another implanted electronic  
device?  
• Do you smoke?  
• Are you pregnant?  
Note that in addition to exercise intensity, medications for heart,  
blood pressure, psychical conditions, asthma, breathing etc. as  
well as some energy drinks, alcohol and nicotine can affect your  
heart rate.  
22  
 
7. FREQUENTLY ASKED QUESTIONS  
What should I do if...  
...the heart rate reading becomes erratic or extremely high?  
Strong electromagnetic signals can cause erratic readings. So move  
away from possible sources of disturbance such as high-voltage  
power lines, traffic lights, overhead lines of electric railways or  
trams, car motors, bike computers, some motor-driven exercise  
equipment (like fitness testers) or cell phones.  
...there is no heart rate reading (--)?  
1. Check that the electrodes of the transmitter are moistened and  
that you are wearing it as instructed.  
2. Check that you have kept the transmitter clean.  
3. Check that there are no sources of electromagnetic radiation in  
close vicinity to the Polar wrist unit, such as TV sets, cell  
phones, CRT monitors, etc.  
4. Cardiac arrhythmia may cause irregular readings or a cardiac  
event may have altered your ECG waveform. In these cases,  
consult your physician  
E
If moving away does not help and the heart rate reading remains  
erratic, slow down your speed and check your pulse manually. If you  
feel it corresponds to the high reading on the display, you may be  
experiencing cardiac arrhythmia. Most cases of arrhythmia are not  
serious, but consult your doctor nevertheless.  
...heart symbol flashes irregularly?  
...the display is fading?  
Usually the first sign of a discharged battery is the low battery  
1. Check that your wrist unit is inside the transmission range and  
not further than 3 feet/1 meter from the Polar transmitter you  
are wearing.  
indicator  
or the fading of the digits when using the  
backlight (FS2/FS3). Have the batteries checked.  
2. Check that the elastic strap has not become loose during  
exercise.  
3. Make sure that the electrodes of the transmitter are moistened.  
4. Make sure that there is no other heart rate transmitter within the  
reception range (3 feet/1 meter).  
5. Cardiac arrhythmia may cause irregular readings. In this case,  
consult your physician.  
...the wrist unit battery needs changing?  
We recommend that all services should be done by an authorized  
Polar Service Center. The 2-year International Guarantee/Warranty  
does not cover damage or consequential damage caused by services  
not authorized by Polar Electro. A Polar Service Center will test your  
wrist unit for water resistance after battery replacement and makes  
a full periodic check of your complete Polar heart rate monitor.  
23  
 
8. TECHNICAL SPECIFICATIONS  
The FS1/FS2/FS3 heart rate monitor is designed  
to help the users to achieve their personal fitness goals.  
to indicate the level of physiological strain and intensity during an exercise session.  
No other use is intended or implied. Heart rate is displayed as the number of heartbeats per minute (bpm).  
Water resistance of Polar products is tested according to International Standard ISO 2281. Products are divided into three different categories  
according to their water resistance. Check the back of your Polar product for the water resistance category and compare it to the chart below.  
Please note that these definitions do not necessarily apply to products of other manufacturers.  
Marking on the  
case back  
Wash splashes, sweat, Bathing and  
SCUBA diving  
Water resistant  
Skin diving with  
snorkel (no air tanks)  
raindrops etc.  
swimming  
(with air tanks) characteristics  
Splashes,  
raindrops etc.  
Water resistant  
X
Minimum for bathing  
and swimming  
Water resistant 50m  
Water resistant 100m  
X
X
X
X
For frequent use in water  
but no SCUBA diving  
X
Wrist Unit  
Battery type:  
Battery life:  
Accuracy of heart rate  
measurement:  
CR 2025  
1% or 1 bpm, whichever larger,  
definition applies to steady state conditions  
average 2 years (1h/day, 7 days/week)  
Operating temperature: 14 °F to 122 °F/-10 °C to +50 °C  
Wrist strap material: Thermoplastic Polyurethane (TPU)  
Heart rate measuring  
range:  
15 - 240 bpm  
Back cover material:  
Stainless steel complying with the nickel  
release regulations of the EU  
(EU Directive 94/27/EU and its  
amendment 1999/C 205/05).  
better than 2.0 seconds/day  
Watch:  
Exercise duration:  
Heart rate limits:  
Exercise time display < 1 h: mm:ss  
Exercise time display > 1 h: hh:mm  
12 h or 24 h  
0 - 23:59  
30 - 199 bpm  
Watch accuracy:  
24  
 
9. LIMITED POLAR INTERNATIONAL  
GUARANTEE  
Transmitter  
Battery type:  
Battery life:  
This limited Polar international guarantee is issued by Polar  
Electro Inc. for the consumers who have purchased this product  
in the USA or Canada. This limited Polar international guarantee  
is issued by Polar Electro Oy for the consumers who have  
purchased this product in other countries.  
Built-in Lithium Cell  
Average 2500 hours of use  
Operating temperature: 14 °F to 122 °F/-10 °C to +50 °C  
Material:  
E
Polyurethane  
Water resistant 100m  
Polar Electro Inc. / Polar Electro Oy guarantees the original  
consumer/ purchaser of this product that the product will be free  
from defects in material or workmanship for two years from the  
date of purchase.  
Please keep the receipt or International Guarantee Card,  
which is your proof of purchase!  
Elastic Strap  
Buckle material:  
Fabric material:  
Polyurethane  
Nylon, polyester, and natural rubber  
including a small amount of latex  
The guarantee does not cover the battery, damage due to  
misuse, abuse, accidents or non-compliance with the  
precautions; improper maintenance, commercial use, cracked or  
broken cases and elastic strap.  
The guarantee does not cover any damages, losses, costs or  
expenses, direct, indirect or incidential, consequential or  
special, arising out of, or related to the product. During the  
guarantee period the product will be either repaired or replaced  
at an authorized service center free of charge.  
This guarantee does not affect the consumer’s statutory rights  
under applicable national or state laws in force, or the  
consumer’s rights against the dealer arising from their sales/  
purchase contract.  
25  
 
10. DISCLAIMER  
This CE marking shows compliance of this  
product with Directive 93/42/EEC.  
The material in this manual is for informational purposes only.  
The products it describes are subject to change without prior  
notice, due to the manufacturer’s continuous development  
program.  
0537  
Polar Electro Oy is an ISO 9001:2000 certified company.  
Polar Electro Inc. / Polar Electro Oy makes no representations or  
warranties with respect to this manual or with respect to the  
products described herein. Polar Electro Inc. / Polar Electro Oy  
shall not be liable for any damages, losses, costs or expenses,  
direct, indirect or incidental, consequential or special, arising  
out of, or related to the use of this material or the products  
described herein.  
Copyright © 2005 Polar Electro Oy, 90440 Kempele, Finland.  
All rights reserved. No part of this manual may be used or  
reproduced in any form or by any means without prior written  
permission of Polar Electro Oy.  
The names and logos marked with a ™ symbol in this user manual  
or in the package of this product are trademarks of Polar Electro Oy.  
The names and logos marked with a ® symbol in this user manual  
or in the package of this product are registered trademarks of Polar  
Electro Oy.  
This product is protected by one or several of the following patents:  
FI 68734, DE 3439238, GB 2149514, HK 812/1989, US 4625733,  
FI 88223, DE 4215549, FR 92.06120, GB 2257523, HK 113/1996,  
SG 9591671-4, US 5491474, FI 88972, FR 92.09150, GB 2258587,  
HK 306/1996, SG 9592117-7, US 5486818, FI 4150, DE 20008882.3,  
FR 0006504, US 6477397, F1 4069, DE 29910633, GB 2339833,  
US 6272365, US 6361502. Other patents pending.  
26  
 

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