Sports mobile app
To update the time zone using your phone, do the following:
1. Make sure you have Bluetooth switched on on your phone.
2. Open the TomTom Sports mobile app.
3. Pull down the Activities screen to sync your tracker with the app.
This will automatically update the time zone to match that of your phone.
Sports website
To update the time zone using a computer, do the following:
1. Connect your tracker to your computer.
2. Open Sports Connect.
3. Click on the cogwheel icon to go to the Settings menu.
4. Tick the box for Clock sync, then disconnect and reconnect your tracker to update the time.
This will automatically update the time.
Heart rate zones
You can change the range for your heart rate zones on the Sports website.
Click on Your name (top right hand corner) > Settings > Heart Rate Zones tab.