Polar s720i/s710i manual Polar heart rate monitor and interference, Electromagnetic interference

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Polar heart rate monitor and interference

Electromagnetic interference

Disturbances 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, cellular phones or when you walk through electric security gates.

Exercise equipment

Several pieces of exercise equipment with electronic or electrical components such as LED displays, motors and electrical brakes may cause interfering stray signals. To try to tackle these problems, relocate the Polar wrist receiver as follows:

1.Remove the transmitter from your chest and use the exercise equipment as you would normally.

2.Move the wrist receiver around until you find an area in which it displays no stray reading or flashing of the heart symbol. 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 of disturbance.

3.Put the transmitter back on the chest and keep the wrist receiver in this interference-free area as far as it is 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.

Minimising possible risks in exercising with a heart rate monitor

Exercise may include some risk, especially for those who have been sedentary.

Before starting a regular exercise program an individual is recommended to answer to the following questions for health status checking. If the answer is yes to any of the questions, we recommend to consult a doctor before starting an exercise program.

Have you not exercised 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?

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, psyche, asthma, breathing etc. as well as some energy drinks, alcohol and nicotine, can affect heart rate.

It is important to be sensitive to your body’s reactions during

the exercise. If you feel unexpected pain or tiredness regarding your exercise intensity level, it is recommended to stop the exercise or continue at a lighter intensity.

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Contents Signal/Light Stop DownDear Customer Page Contents Polar Fitness Test Getting GoingConnection to computer Heart rate monitor Parts and their FunctionsButtons and their functions Useful tipsEasy start How to start measuring your heart rate You only need to install one of themHow to put the transmitter on After exercising How to stop measuring your heart rateModes and their functions File Options Units HOW to Enter SettingsUser information settings Activity level Activity Date of birth BirthdaySex Maximum heart rate value HRmaxExercise settings Turning heart rate limits on/off Setting timersSetting heart rate limits Setting interval type Setting recovery calculation Naming exercise setsSetting recording rate Rec. Rate 60sFitness test on/off Turning functions on/offOwnCal calorie counter on/off Predicted maximum heart rate on/off HRmax-pBicycle feature settings Adjusting the wheel size WheelAutostart on/off AutoStrt Power* on/offCadence* on/off Turning activity/button sound on/off Monitor settingsNaming bike 1 and bike Selecting measuring unitsTurning Help on/off Watch settingsSetting alarm Turning reminders on/off Setting time of daySetting date Exercise Setting tipsMeasure mode Page Exercise recording mode Autostart for recording a cycling exerciseTurning the heart rate zone alarm on/off Illuminating the display Pausing the exerciseSwapping the heart rate limits Storing lap and split timeSelect the upper row information Swapping the displayed exercise informationSelect the middle row information Starting an exercise set Exercising with Interval Training Set Int On, E1-E5Warm-up phase Interval sessionCool-down phase Recovery calculationRecovery duration Recovery distance Tips during the exercise Exercising with BasicSet Int OFF, E1-E5Stopping the exercise Restarting the interval or recovery calculation Swap the bike setting b0, b1 or b2Resetting the trip distance Interrupting an interval or recovery calculationHOW to Recall Training Information Exercise fileExercise distance Exe. Dist Recovery information of BasicSet exercise RecoExercise time Exe. Time Speed information Spd. Avg/ MaxCumulative exercise time count Tot. Time Calorie expenditure KCalCumulative calorie count Tot. KCal Cumulative riding time Rid. TimeLap information Laps Recovery informationInterval information Recorded samples Best LapLaps Deleting a file Resetting your cumulative counts to zeroRecords file Deleting all filesReturning to your previous maximum value Connection to ComputerDownloading training data to a computer Uploading settings from computer Polar Fitness Test OwnIndexCarrying out the test Fitness test settingsPredicted maximum heart rate HRmax-p Start the test Update OwnIndex and HRmax-pTurn the Fitness test sound signal on/off Interrupt the testFitness classes AgeTaking care of your Polar heart rate monitor Care MaintenanceBattery Replacement for Speed Sensor Batteries TransmitterUsing the Polar heart rate monitor in a water environment PrecautionsService Exercise equipment Polar heart rate monitor and interferenceElectromagnetic interference Cannot find the expended calories from my exercise file? Frequently Asked QuestionsCannot find the previous exercise’s file? Cannot turn my HRmax-p on?Heart rate reading becomes erratic or extremely high? Heart symbol flashes irregularly?Battery of the wrist receiver must be replaced? Display is blank or fading?Data transfer from receiver to computer was unsuccessful? Technical SpecificationsInaccurate altitude readings? Elastic strapLimit Values Default SettingsSpeed sensor Limited Polar Warranty Polar DisclaimerDisplay symbols Polar GlossaryDisplay texts RecoHr, heart-rate-based RecoTime, time-based recoveryRecoDist, distance-based Index 46, 52