Setting Your Heart Rate Zones

The device uses your user profile information from the initial setup to determine your default heart rate zones. You can manually enter heart rate values and set the range for each zone.

Select > My Stats > User Profile > Heart Rate Zones.
Select Max. HR.

You can use the Auto Detect feature to automatically record your maximum heart rate during an activity, or you can manually enter your maximum heart rate.
Select LTHR, and enter your lactate threshold heart rate.

You can do a guided test to estimate your lactate threshold (Lactate Threshold).
Select Resting HR, and enter your resting heart rate.
Select Zones > Based On.
Select an option:
- Select BPM to view and edit the zones in beats per minute.
- Select %Max. HR to view and edit the zones as a percentage of your maximum heart rate.
- Select %HRR to view and edit the zones as a percentage of your heart rate reserve (maximum heart rate minus resting heart rate).
- Select %LTHR to view and edit the zones as a percentage of your lactate threshold heart rate.
Select a zone, and enter a value for each heart rate zone.

Forerunner® 630

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Setting Your Heart Rate Zones