To activate the sensor manually, follow these instructions:
- Open the Fit Heart Rate app
- Click on the settings menu
- Select the Background Heart Rate option and turn it off
- Swipe to the left twice to return to the settings menu
- Select the Measure option
Note: To confirm if the sensor has been activated, a green light should be visible.
If the watch does not activate the sensor manually, please send the serial number contained in the back of the watch to our support team.