How the sensor works
Your heartbeat is measured by using light to measure changes in your blood flow. This is done on
the top of your wrist by shining light through the skin onto the capillaries just below the skin and
detecting the changing light reflections.
The performance of the heart rate sensor is not affected by your body fat percentage or body hair.
It IS however affected by the position of the TomTom Touch on your wrist, your skin colour, skin
type and by whether you have warmed up or not.
Using the heart rate sensor
To get the best performance from the heart rate sensor, see Wearing your Fitness Tracker.
Continuous heart rate tracking is switched ON by default.
Removing the module from the strap
You need to remove your TomTom Touch from the wrist strap in order to charge it or to connect it
to MySports using your computer.
To remove your TomTom Touch from the wrist strap, do the following:
1. Firmly press the top part of the module until pops out of the strap.
2. To put the TomTom Touch module back into the wrist strap, reverse step 1 by inserting the
module with the button end first into the strap.
Charging your Fitness Tracker
Important: You can charge your TomTom Touch using your computer or using any USB wall charger.
To charge your TomTom Touch, do the following:
1. Remove your TomTom Touch from the strap. For more information, see Removing your watch
from the strap.
2. Connect the module to the small connector of the micro-USB cable that was supplied in the box.
3. Connect the larger USB connector to either your computer or to a wall charger.
4. Your TomTom Touch begins to charge showing the following animated icons:
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General
Weight and Dimensions
