Polar s720i/s710i manual Heart symbol flashes irregularly?, Display is blank or fading?

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3.Check that you are not near other people that have heart rate monitors, high voltage power lines, televisions, mobile phones or other sources of electromagnetic disturbance.

4.Have you had a cardiac event which may have altered your ECG waveform? In this case consult your physician.

...heart symbol flashes irregularly?

1.Check that the wrist receiver is not further than 1 metre/ 3 feet from the transmitter.

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 1 metre/ 3 feet.

5.Cardiac arrhythmia may cause irregular readings. In this case consult your physician.

...other person with heart rate monitor is causing interference?

Your training partner may have exactly the same code as you. In this case proceed as follows: Keep a distance from your training partner and continue your training session normally.

Or

1.Take the transmitter off your chest for 30 seconds. Keep a distance from your training partner.

2.Put the transmitter back and bring the receiver up to your chest near the transmitter’s Polar logo. The receiver starts looking for a heart rate signal again. Continue your training session normally.

...heart rate reading becomes erratic or extremely high?

You may have come within range of strong electromagnetic signals which

cause erratic readings. Check your surroundings and move further away from the source of disturbance.

...the display is blank or fading?

If the display is blank, activate the wrist receiver by pressing the OK button twice, after which the Time of day display appears. The first sign of a discharged battery is the battery symbol on the display. Also the digits fade when the backlight is used. Have the batteries checked.

...there are no reactions to any buttons?

Reset the Polar heart rate monitor. Resetting clears watch settings which will return to the default settings. User information and measuring units settings will be saved.

1.Press the RESET button with a pen tip. Display becomes full of digits. If you don’t press any button after reset within one minute the wrist receiver returns to the Time of day display.

2.Press any of the buttons once. Time of day is displayed.

...the battery of the wrist receiver must be replaced?

We recommend having all service done by an authorised Polar Service Centre. This is especially necessary to ensure the warranty remains valid and is not affected by incorrect repair procedures done by an unauthorised agent. Polar Service will test your wrist receiver for water resistance after battery replacement and make a full periodic check of the complete Polar Heart rate monitor.

...there are irregular speed, distance or heart rate readings?

You may have come within range of strong electromagnetic-signals, which cause erratic readings. Check your surroundings and move away from the source of disturbance.

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Contents Signal/Light Stop DownDear Customer Page Contents Getting Going Connection to computerPolar Fitness Test Heart rate monitor Parts and their FunctionsButtons and their functions Useful tipsEasy start How to put the transmitter on You only need to install one of themHow to start measuring your heart rate Modes and their functions How to stop measuring your heart rateAfter exercising File Options User information settings HOW to Enter SettingsUnits Date of birth Birthday SexActivity level Activity Maximum heart rate value HRmaxExercise settings Setting heart rate limits Setting timersTurning heart rate limits on/off Setting interval type Setting recovery calculation Naming exercise setsSetting recording rate Rec. Rate 60sTurning functions on/off OwnCal calorie counter on/offFitness test on/off Predicted maximum heart rate on/off HRmax-pBicycle feature settings Adjusting the wheel size WheelCadence* on/off Power* on/offAutostart on/off AutoStrt Monitor settings Naming bike 1 and bikeTurning activity/button sound on/off Selecting measuring unitsSetting alarm Watch settingsTurning Help on/off Setting date Setting time of dayTurning reminders on/off Measure mode Setting tipsExercise Page Exercise recording mode Autostart for recording a cycling exerciseTurning the heart rate zone alarm on/off Pausing the exercise Swapping the heart rate limitsIlluminating the display Storing lap and split timeSelect the middle row information Swapping the displayed exercise informationSelect the upper row information Starting an exercise set Exercising with Interval Training Set Int On, E1-E5Warm-up phase Interval sessionRecovery duration Recovery distance Recovery calculationCool-down phase Stopping the exercise Exercising with BasicSet Int OFF, E1-E5Tips during the exercise Swap the bike setting b0, b1 or b2 Resetting the trip distanceRestarting the interval or recovery calculation Interrupting an interval or recovery calculationHOW to Recall Training Information Exercise fileRecovery information of BasicSet exercise Reco Exercise time Exe. TimeExercise distance Exe. Dist Speed information Spd. Avg/ MaxCalorie expenditure KCal Cumulative calorie count Tot. KCalCumulative exercise time count Tot. Time Cumulative riding time Rid. TimeInterval information Recovery informationLap information Laps Laps Best LapRecorded samples Resetting your cumulative counts to zero Records fileDeleting a file Deleting all filesDownloading training data to a computer Connection to ComputerReturning to your previous maximum value Uploading settings from computer Polar Fitness Test OwnIndexPredicted maximum heart rate HRmax-p Fitness test settingsCarrying out the test Update OwnIndex and HRmax-p Turn the Fitness test sound signal on/offStart the test Interrupt the testFitness classes AgeCare Maintenance Battery Replacement for Speed SensorTaking care of your Polar heart rate monitor Batteries TransmitterService PrecautionsUsing the Polar heart rate monitor in a water environment Electromagnetic interference Polar heart rate monitor and interferenceExercise equipment Frequently Asked Questions Cannot find the previous exercise’s file?Cannot find the expended calories from my exercise file? Cannot turn my HRmax-p on?Heart symbol flashes irregularly? Battery of the wrist receiver must be replaced?Heart rate reading becomes erratic or extremely high? Display is blank or fading?Technical Specifications Inaccurate altitude readings?Data transfer from receiver to computer was unsuccessful? Elastic strapSpeed sensor Default SettingsLimit Values Limited Polar Warranty Polar DisclaimerDisplay symbols Polar GlossaryDisplay texts RecoDist, distance-based RecoTime, time-based recoveryRecoHr, heart-rate-based Index 46, 52