Polar Electro S725 User Manual

See the glossary for display text interpretation.USER MANUALENGDisplay symbolsRUNNING COMPUTERS625XCYCLING COMPUTERS725X17927681.00 ENG BIndicates an

8How to prepare the wrist unit1. Since the display is blank when the wrist unit leaves the factory, you haveto activate the wrist unit by pressing the

98OverReach / Overreaching (7)Your OwnOptimizer Test indicates that you have had a very intensivetraining period for several days or weeks. Your test

99To recover from a state of parasympathetic overtraining, you have torecover your body balance completely. Recovering may take several weeks.You sho

100F. CARE AND MAINTENANCEYour Polar running/cycling computer is a high-tech instrumentof superior design and workmanship and should be treatedwith ca

101• You can wash the strap in a washing machine at +40 °C / 104 °F.We recommend that you use a washing pouch.• We recommend that you wash the strap a

1021. Open the connector's battery cover by turning itcounterclockwise with the coin from the CLOSEposition to the OPEN position. The cover popso

103S1 foot podThe battery of the foot pod needs to be replaced if the green light onthe foot pod turns red or there is no light at all when you press

1046. Put the PCBA back into place.7. Check that the sealing ring stays in its groove. Replace the cover back.8. Insert the two screws in their holes

105G. PRECAUTIONSUsing the Polar running/cycling computer in a water environmentYour Polar running/cycling computer can be worn when swimming.To maint

106Electromagnetic interferenceDisturbances may occur near high voltage power lines, traffic lights,overhead lines of electric railways, electric bus

107Exercise may include some risk, especially for those who have been sedentary.Before starting a regular exercise program you are recommended toanswe

9Installing the Polar S1 foot podFirst, make sure that there is a battery in the foot pod. You can check this bypressing and holding the red button on

108Notice to persons with pacemakers, defibrillator or otherimplanted electronic device. Persons who have a pacemaker use thePolar running/cycling com

109H. FREQUENTLY ASKED QUESTIONSWhat should I do if...I don’t know where I am in the Options or File cycle?Press and hold the stop button until tim

1105. Cardiac arrhythmia may cause irregular readings. In this case consultyour physician...other person with heart rate monitor is causing interfere

1112. Press any of the buttons once. Time of day is displayed...the battery of the wrist unit must be replaced?We recommend having all service done b

112...Check Sensor message appears on the display?1. Check that you have the right speed settings turned on from the wrist unit.2. Make sure that the

113I. TECHNICAL SPECIFICATIONSPolar S625X/S725X is designed to indicate the level of physiological strain andintensity in sports and exercise. It also

114TransmitterConnectorBattery type: CR 2025Battery sealing ring: O-ring 20.0 x 1.0Material FPMBattery life: Average 2 years (1h/ day, 7 days/ week)Op

115S1 foot podOperating temperature: -10 °C to +50 °C/ 14 °F to 122 °FBattery: one AAA sized batteryBattery life: average 20 hours of useWeight: 62 g

116Default SettingsTime of day 10:00/ 24hAlarm OFFDate of Birth 0(adjustable range foryear is 1921 – 2020)Sex maleWeight 0 (kg)Height 0 (cm)Activity L

117J. LIMITED POLAR INTERNATIONAL GUARANTEE• This limited Polar international guarantee is issued by Polar Electro Inc.for the consumers who have purc

107. Do not throw the replaced battery awaywith normal waste; take it to a placewhere batteries are recycled.Attaching the S1 foot pod on your shoe1.

118K. POLAR DISCLAIMER• The material in this manual is for informational purposes only. Theproducts it describes are subject to change without prior n

119L. POLAR GLOSSARYActivity level:Your long-term physical activity levelyou need to assess in order to do thePolar Fitness Test.Altitude and temperat

120--: Indicates that you have no speedsettings on.ALARM: Indicates the alarm inwatch settings.Alt.: Indicates altitude.AM or PM: Are used in 12h Time

121HRmax-p: Predicted maximum heartrate value.Interval, Int: Options mode:indicates Interval Training SetRecording mode: Indicates intervalexercise se

122e.g. in nutrition planning. OwnCalcalorie calculation starts when yourheart rate reaches 90 bpm or is above60% of your maximum heart rate,whichever

123RecoTime, time-based recovery:You set the recovery time in theOptions mode. In the File mode youwill see the drop in your heart rateand the recover

124Index12h/ 24h time mode ... 48Activity/ button sound on/off ... 45Alarm settings ...

125Recall training information ... 71Recording rate settings ... 33Records file ...

126AccessoriesPolar Cadence Sensor:A wireless sensor that measures the frequency at which youturn the pedals of your bicycle.Power Output Sensor:The P

11Installing the Polar Bike MountUse cable ties to secure the bike mountsnugly on the rubber pad.Installing the Polar Speed SensorThe Polar Speed Sens

124. There are two spoke magnet options.You only need to install one of them.Check which of the magnets fits the spokeof your bike best. One (A) is in

13How to put the transmitter on1. Moisten the electrode areas of the strapunder running water and make sure that theyare well moistened.2. Attach the

144. Press the OK button to start measuring your heart rate.A heart symbol will start flashing and your heart rate(beats per minute) will appear in a

15All that you can do with your running/cycling computerHere is a short overview of the modes of the wrist unit and the differentfunctions they offer

16A. BasicUse is the easiest way to start exercising because you do nothave to set different target limits or timers. You just start in Measuringmode

174. FILE (SEE SECTION D. HOW TO RECALL TRAINING INFORMATION)In this mode you can recall your training information. Your wrist unitsaves up to 99 file

Quick GuideRoad MapKeep the Road Map and Quick Guide on the back cover open while reading the manual.MonitorSetSoundOn/OFFHelpOn/OFFUnits 1/2WatchSetA

18Polar OwnOptimizer helps you to optimize training load during trainingprogram so that training will develop performance and will not lead tolong-ter

19ExerciseSetMemorySetFunctionSetSpeedSetUserSetWatchSetMonitorSetTime OfDayFileOptionsTestsConnectThis section describes how to manually entersetting

20User information settingsUser Setkg/lbscm/feet inchBirthdaySexActivityHRmaxVO2maxOptionsIn the User Set loop you can move forward only by pressing O

21Weight (kg or lbs)5. Scroll up or down to adjust your weight. Press OK.Height (cm or ft/ inch)6. Scroll up or down to adjust your height. Press OK

22High You participate regularly, at least 3 times a week, in heavy physicalexercise. E.g. you run 10-20 km/ 6-12 miles per week or spend2-3 hours per

23When you start setting your exercise preferences your first choice is to selectwhether you want to set your personal exercise set or to exercise wit

24Setting exercise setsPreset exercise sets ready for five exercise sets; when you start exercising,just select one of the sets.Interval Training SetI

25OptionsExercise SetE0 E1 E2 E3E5E4ExerciseSet 1-5Timer1Limits1Limits2Timer3RecoveryLimits3Timer/Hr/Dist.IntervalRepeatIntervalTimer/Hr/Dist./ManualS

26Setting timersIf you start from the Time of day display, repeat steps 1-5.6. Scroll up or down until desired timer is displayed. Press OK to startse

2701020304050160140120100806040limits 1HeartrateTimelimits 2 limits 3Summarylimits• Time within, above and below limits 1, 2 and 3 is recorded only wh

The features of this running/cycling computer provide you with the variousways to customize your exercise sessions so they meet your personal needs.Fo

28Setting recovery calculationYou can select 2 optional types of recoveries in a BasicSet:A. Time-based recovery Ends your recovery as you reach the p

29Setting interval typeYou can select four optional types of intervals:A. Time-based interval Ends your interval when you have usedthe preset time.B.

30Units 2: Adjustable unitsare miles and feet.A. Time-based interval8. Scroll up or down to adjust minutes. Press OK.9. Scroll up or down to adjust se

31Setting interval recovery calculationYou can select 3 optional types of recoveries:A. Time-based recovery Ends your recovery as you reach the preset

32C. Rec. Dist is displayed.10. Scroll up or down to adjust kilometers.Press OK.11. Scroll up or down to adjust hundredsof meters. Press OK. Recovery

33Setting recording rate1. In the Time of day display scrollup or down until OPTIONSis displayed.2. Press OK to enter the Options mode.EXERCISE SET is

34The use of exercise sets and lap recording reduces the maximum exercisetimes.To continue your settings, press the stop button or to return to the Ti

35OptionsFunction SetOwnCalOn/OFFTests On/OFFHRmax-pOn/OFFAltitudeOn/OFFAutoLapOn/OFF1. In the Time of day display scroll up or down until OPTIONSis d

36Tests on/offIf you start from the Time of day display, repeat steps 1-4.5. Scroll up or down until Tests is displayed.6. Press OK to start setting t

37It is recommended that you calibrate the altitude whenever a reliablereference is available. For most accurate altitude readings, calibrate thealtim

A. Getting going ... 5Running/cycling computer parts ... 5Buttons and their functions ... 6Easy start ...

38Speed settings1. In the Time of day display scroll up or down until OPTIONS is displayed.2. Press OK to enter the Options mode. EXERCISE SET is disp

39You can calibrate the S1 foot pod by running a preset distance; forexample, three laps on a 400-meter track, at a steady pace or by manuallyadjustin

40Calibration manuallyAdjust the SET factor to the value 1000 before manual calibration.The calibration factor is calculated as a ratio of the actual

41ERTRO Wheel size diameter (inches) Wheel size setting (mm)25-559 26 x 1.0 188423-571 650 x 23C 190935-559 26 x 1.50 194737-622 700 x 35C 195847-559

42METHOD 2.Mark the tread of the front tire with a line and roll the tireperpendicular to the ground. You can also use the valve asa mark. Mark a line

43Power* on/offIf you start from the Time of day display, repeat steps 1-5 (page 38).6. Scroll up or down until Power is displayed.7. Press OK to star

44Naming bike 1 and bike 2You can name the bikes with four letters, numbers or marks.The number in the right corner indicates, which bike settings are

45OptionsMonitor SetSound On/OFF Units 1/2 Help On/OFFMonitor settings1. In the Time of day displayscroll up or down untilOPTIONS is displayed.2. Pres

46The units settings affect the following features:Units 1: Units 2:User information kg, cm lbs, feetDate of birth day-month-year month-day-yearSpeed

47OptionsWatch SetAlarm Time 1/2 Date Remind On/OFF1. In the Time of daydisplay scroll up ordown until OPTIONSis displayed.2. Press OK to enterthe Opt

Speed settings ... 38Running settings... 38Calibration by running ... 39Calibra

4812h time mode:month - day - yearSetting time of dayIf you start from the Time of day display, repeat steps 1-4.5. Scroll up or down until TIME1/ TIM

49Turning reminders on/offIf you start from the Time of day display, repeat steps 1-4.5. Scroll up or down until REMIND is displayed.6. Press OK to st

50Setting tipsSwap time 1 or time 2In the Time of day display press and hold the down button. Time 1 orTime 2 is displayed in the uppermost row for a

51Time of DayMeasuringModeRecordingModeC. EXERCISEYou can use two modes in your exercise:Measuring or Recording mode. In the Measuringmode you can see

52The following displays start to alternate, if you have no speed or altitudesettings in use, as you enter the Measuring mode:Exercise name Memory le

53If you are not running, turn the speed settings off by pressing and holdingthe down button. Repeat until -- appears. This will give you more memoryc

54If you are not cycling, turn the cycling settings off by pressing and holdingthe down button. Repeat until -- appears. This will give you more memor

55Recording modeBefore starting recording, check that you have enough memory left.This information is displayed in the upper row, in the Measuring mod

56If there is no or irregular running speed readings on the display,check the following:• Keep distance to other runners with foot pods.• If you keep

57Swapping the heart rate/pace limitsPress and hold the up button. Repeat until the desired limits are displayed.In the Interval Training mode the lim

Recovery information ofBasicSet exercise ... 73Exercise distance ... 73Pace information ...

58Storing lap and split timePress OK to store lap and split time.First ThenLap time Split timeAverage heartrate of the lapNumber ofthe lapThe wrist un

59For most accurate altitude readings, calibrate the altimeter every timebefore an exercise.Swapping the displayed exercise informationYou can swap th

60*Optional Polar Cadence Sensor or Polar Power Output Sensor required.You can configure the middle and upper rows either in the Measuringand Recordin

611. Start from the Time of day display. Press OK to enter the Measuring mode.2. If you want to swap the preset exercise set, press and hold the up bu

6201020304050160140120100806040WarmUp phaseCountdown timer 1Limits 1Interval PhaseRepeats 03CoolDown phaseCountdown timer 3Limits 3IntervalRecoveryInt

63Warm-up phase1. FirstHeart rate or pace limits 1 (if set on).2. ThenCountdown timer 1.Heart rate information.Countdown timer starts running if you h

64Interval session1. FirstPreset heart rate or pace limits 2 (if set on).2. ThenOne of the following is displayed depending on your settings:A. manual

653. At the end of IntervalInterval duration.Average heart rate of the interval.When your interval ends the wrist unit automaticallycontinues with fol

66At the end of recoveryA. and B. Or C.Recovery duration. Recovery distance.Drop in your heart rate.Cool-down phase1. FirstPreset heart rate or pace l

67Exercising with BasicSet (Int OFF, E1-E5)In this mode you can also use the functions in “Recording mode” section.Starting the timersIf timers are se

5The electrode areas of the strapdetect your heart rate.The connector transmits yourheart rate signal to the wrist unit.The wrist unit displays and re

68Swapping the exercise type (E0 or E1-E5)In the Measuring mode press and hold the up button. Release. Repeat untildesired exercise set or BasicUse is

69Tips during the exerciseSwapping the speed settings (--, ru, b1 or b2)In the Measuring mode press and hold the down button. Release. Repeatuntil Run

70Interrupting an interval or recovery calculationPress and hold the OK button during your interval training exercise sessionto interrupt the calculat

71D. HOW TO RECALL TRAINING INFORMATIONThe wrist unit starts saving exercise informationto a file as you start the stopwatch. You can recallthe inform

72Some information alternates on the display automatically.You can make the alternation faster by pressing the OK buttone.g. the target heart rate zon

73Exercise time (Exe. Time)The exercise time is the amount of time that you have exercisedwith the stopwatch running. Average and maximum heartrates o

74Altitude (Alt. Avg/ Max/ Min)Average, maximum and minimum altitude of the exercise alternate.Temperature (°C or °F Avg/ Max/ Min)Average, maximum an

75Exercise time within, above and below the target zonesIndicates the exercise time, which you have spent within (InZone), above andbelow each limits.

76Total distance (Tot. Dist./Odometer)Measures cumulative total distance of several exercise sessions startingfrom the previous resetting of the value

77Cool-down phaseDuration of the cool-down.The heart rate at the end of the cool-down,average andmaximum heart rates of the cool-down phase.3. Press t

6StopSignal/LightOKSignal/ Light Turns the beep on or off.Turns the backlight on.Stop Return - Stops measuring the heart rate.Exits the displayed mode

78FILEF1-F99LAPSBest LapLap 1...Lap 99Lap information (LAPS)Start with the display showing LAPS andthe number of recorded laps.1. Press OK to start re

79In the upper row, the split time alternates with the help texts if the Helpfunction is turned on. You can check the following detailed lapinformatio

80Recorded samplesCheck the detailed information of the exercise in thesample file.Start with the display showing SAMPLES and the numberof recorded sa

81Deleting a file1. In the Time of day display scroll up or down until FILE is displayed.2. Press OK to enter the File mode.3. Scroll up or down until

82This file is updated each time your exercise is recorded to file.1. In the Time of day display scroll up or down until FILE is displayed.2. Press OK

83Resetting your cumulative counts to zeroOnce your have reset the cumulative count you cannot retrieve it.Start with the display showing Tot. KCal, T

84Returning to your previous maximum valueStart with the display showing Max Spd, Max Cad*, Max Alt or Max Pwr* inthe records file.1. Press and hold t

85E. TESTSThe Polar Fitness Test is an easy, safe and quickway to estimate individual maximal aerobic powerand to get predicted maximum heart rate val

86If you want to improve your cardiovascular fitness, it takes a minimum of6 weeks on an average to see a noticeable change in OwnIndex. Less fitindiv

87Predicted maximum heart rate (HRmax-p)The HRmax-p definition is carried out simultaneously with the Polar FitnessTest.The HRmax-p score predicts you

7Useful tips• Briefly pressing a button (approximately 1 second) will do differentthings than pressing and holding the button for a longer period ofti

88Carrying out the testTo get reliable test results, the following basic requirements apply:• You should be relaxed and calm.• The test can take place

89Time of Day File Options Tests ConnectOp.Test Fit. Test Op. Test reset1. In the Time of day display

90Interrupt the test• You can stop the test any time during the test by pressing the stop button.Failed TEST is displayed for a few seconds.The latest

91The classification is based on literature review of 62 studies where VO2max was measured directly inhealthy adult subjects in the USA, Canada and 7

92For various fitness classes we recommend the following:12346751-3 Increase exercisefor healthbenefits andfitnessimprovement.4 To ensure good health,

93Successful training requires temporary overloading: longer exerciseduration, higher intensity, or higher total volume. In order to avoid severeovert

94Baseline testsWhen you start using OwnOptimizer for the first time, six baseline testsshould be conducted over a period of two weeks to determine yo

95To get reliable test results, the following basic requirements apply:- You should be relaxed and calm.- Avoid eating, drinking and smoking 2-3 hours

966. After 3 minutes, the wrist unit gives a signal and Stand up is displayed.Stand up and remain standing still for 3 minutes.7. After 3 minutes the

97TrEffect / Training Effect (3)Your test heart rates are higher than average. You may have exercisedintensively in the previous days. You have two ch