4. 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 maximum of 15 seconds.

5.Press OK again. The stopwatch starts running and you can start exercising. The exercise data will only be stored in a file if you have turned the stopwatch on.

How to stop measuring your heart rate

1.Press the stop button. The stopwatch and other calculations stop.

The heart rate measuring continues, although exercise data is no longer recorded.

2.Press the stop button again. The heart rate measuring stops. The wrist unit shows the Time of day display again.

After exercising

1. To detach the connector from the strap, apply pressure with your thumb and forefinger and turn your hand as indicated in the picture.

2. Carefully wash the strap with a mild soap and water solution. Rinse it with pure water.

3.Dry the transmitter carefully with a soft towel.

4.Store the transmitter in a clean and dry place. Dirt impairs the elasticity and functioning of the transmitter. Sweat and moisture can keep the electrodes wet and the transmitter activated, which shortens battery life.

All that you can do with your running/cycling computer

Here is a short overview of the modes of the wrist unit and the different functions they offer you.

1. TIME OF DAY

In this mode you can use your wrist unit as a watch since it can display the time, date, weekday, alarm and two different time zones. In addition, you can download a personal logo, user number or user name from Polar Precision Performance software and www.polar.fi. You can also download 7 reminders with alarms.

2.MEASURING MODE (SEE SECTION C. EXERCISE)

In this mode your heart rate is displayed, but exercise information is not recorded or stored in the File mode. In Measuring mode you can choose the information that is displayed on the wrist unit during exercise.

3.RECORDING MODE (SEE SECTION C. EXERCISE)

In Recording mode your exercise is recorded and stopwatch and other calculations are started. You can use the BasicUse function when you just want to exercise without setting target limits, timers or other exercise settings. If you use the settings mentioned above, you can program up to five exercise sets for different kind of exercises.

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Polar S725X user manual All that you can do with your running/cycling computer, How to stop measuring your heart rate