Detecting Performance Measurements Automatically

The Auto Detection feature is turned on by default. The watch can automatically detect your maximum heart rate and lactate threshold during an activity. When paired with a compatible power meter, the watch can automatically detect your functional threshold power (FTP) during an activity.
  1. Hold MENU.
  2. Select Settings > User Profile > Heart Rate & Power Zones > Auto Detection.
  3. Select an option.
GUID-B613EA0B-EFB7-451C-BA10-DB9EE5A990BF v1
September 2025