same calculation press the OK button or to reset the interval training exercise, see “Resetting stopwatch to zero” section.

Interrupting an interval or recovery calculation

Press and hold the OK button during your interval training exercise session to interrupt the calculation. The following section automatically starts. E.g. if you interrupt an interval your recovery calculation (if set on) automatically starts.

Interrupting a phase of an interval training exercise

Press the stop button to pause your phase. Press and hold the OK button. The following phase automatically starts.

Heart touch function

The heart touch function is activated as you bring the wrist unit near the transmitter’s Polar logo.

You have three alternatives for the heart touch function. To select heart touch display, use your Polar Precision Performance software:

Checking the current heart rate limits

Swapping the display options

Storing lap time

During the heart touch, the backlight is on for a couple of seconds, if you have already used the backlight during the exercise.

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Polar S725 Interrupting an interval or recovery calculation, Interrupting a phase of an interval training exercise