Dash M50/L50 - Stages Dash M50/L50 User Guide

FThr

Functional Threshold Heart Rate (FThr) is the maximum heart rate (bpm) you can sustain for a long duration, usually 1 hour. This number is the basis for setting your heart rate training zones and calculating heart rate based metrics. If you are training with a heart rate monitor, you should enter an FThr value here.

To update your FThr setting, go to: Main menu > Dash settings > User settings > FThr.

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