9 DURING EXERCISE
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Suunto M1/M2 gives you additional information to help guide you during your exercise. This information can be both helpful and rewarding.
Here are some ideas on how to use the device during exercise:
●Press 
to see in real time the duration, your HR and additionally your average HR, kcal consumption, the heart rate zone you are in and the time. Adjust the intensity of the exercise to reach the desired heart rate zone.
●Keep 
pressed to lock the 
button to avoid accidentally stopping your stopwatch.
●Press 
to stop the exercise.
TIP: Switch the sounds on or off (
) during exercise by keeping 
pressed. You cannot switch the sounds on, if you have set sounds to all off in general settings, see Chapter 13 Adjusting settings on page 24.
9.1 Heart rate zones
For information on maximum HR, see Chapter 5 Getting started on page 9. Heart rate zones are percentages of your maximum heart rate. The intensity of your exercise is determined by the time you spend in each of the three zones.
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