User manual

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When you select STOPWATCH, you can use your watch to show elapsed time, mark laps and see
times for your current and previous laps.
About calorie estimation
Calories are estimated based on the type of sport, your gender, your weight and the intensity and
duration of the exercise.
24x7 calorie estimation is based on your BMI and then adjusted for steps, active time, sports activities,
etc., to generate a theoretical total for the day. Heart rate is not used during 24x7 calorie counting
because it would drain the watch battery too quickly.
Note: Not all activities are available on all watches.
Running, cycling, swimming, trail running, hiking, treadmill or indoor cycling
For running, cycling, swimming, trail running, hiking, treadmill or indoor cycling, the calorie calculations
are based on metabolic equivalent of task tables (MET or simply metabolic equivalent).
We use the MET tables of Ainsworth BE, Haskell WL, Herrmann SD, Meckes N, Bassett Jr DR,
Tudor-Locke C, Greer JL, Vezina J, Whitt-Glover MC, Leon AS. 2011 Compendium of Physical
Activities: a second update of codes and MET values. Medicine and Science in Sports and Exercise,
2011;43(8):1575-1581.
Freestyle, gym, ski and snowboard
Calories for freestyle, gym, ski and snowboard activities are based on heart rate. For other activities
calories are linked to that specific sport but for freestyle, gym, ski and snowboard the watch doesn’t
know which sport you are doing. Hence when no heart rate measurement is available, calories are not
shown for these four activities.
Tracker
The calorie metric measures how many calories you burn during the day including your basal
metabolic rate (BMR). Your BMR represents the minimum amount of energy that you need to keep
your body functioning, including breathing and keeping your heart beating. Because BMR is included,
your calorie metric in the tracker will be higher than your calorie metric in an activity.
About 24/7 heart rate monitoring
Your TomTom GPS Watch allows you to monitor your heart rate during the day. It takes a reading
every 10 minutes for 24/7 tracking versus every second for sports tracking.
Note: Continuous heart rate monitoring is only available on watch models with an optical sensor.
Switching on 24/7 heart rate monitoring on your watch
Continuous heart rate monitoring is OFF by default. To switch on 24/7 heart rate monitoring on your
watch, follow these steps:
1. From the Clock screen, press down to open the SETTINGS menu.
2. Select TRACKER.
3. Select HEART.
4. Select ON.
5. Synchronise your watch by connecting it to Sports Connect on your computer or to the Sports
mobile app.
Your watch is now measuring your heart rate when you wear it.
Note: 24x7 heart rate monitoring requires software version 1.2.0 or higher.