In order to activate the heart rate monitor, please select the heart rate interface on your device. Then, tap once the screen to start monitoring your heart rate.
You can also enable automatic monitoring by going to the Settings tab of your mobile App, then click Heart Rate section and enable automatic tracking.
Once activated, the device emits a green light via two LEDs installed at the back of the unit. The pulse sensor displays your pulse by observing your bloodstream.
Please note that you can also set your monitoring frequency and set alerts if you reach a heart rate level too low or too high directly through the ZeFit³ App.
To stop tracking your heart rate, simply double tap on the the heart rate interface of your ZeFit³ HR.