HR sensor mode
In heart rate sensor mode you can turn your watch into a heart rate sensor and share your heart rate with other Bluetooth devices like training apps, gym equipment or cycling computers. To use your watch as a heart rate sensor, you first need to pair it with the receiving external device. Refer to receiving device's user guide for detailed pairing instructions.
Turn on HR sensor mode
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Press and hold OK in time view or press BACK to enter the main menu and choose Start training. Browse to your preferred sport.
- In pre-training mode, open the quick menu with the LIGHT button.

Choose Share HR with other devices.

Choose Use watch as heart rate sensor
- Activate the external device's pairing mode.
- Choose your watch from the external device.
- Accept pairing your watch with the external device.
- You should be able to see your heart rate in both your watch and the external device. When you’re ready, just start your session from the external device. To record your training session with your watch, return to pre-training mode and start training recording by tapping the display.
Stop sharing HR
Choose Stop sharing. HR sharing stops also when you exit pre-training mode or stop the training recording.