Struggling with inaccurate heart rate data? Discover how to restore your sensor's precision today.
It is rarely hardware failure; your sensor is likely struggling with light interference or physiological data noise.
The Fenix 8 uses light emitters to measure blood volume pulses, not actual direct electrical heartbeats.
The watch sometimes confuses your arm movement frequency with your heart rate during high-intensity exercise sessions.
Clean your sensor glass and tighten your strap to eliminate motion noise and light leakage issues.
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