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Hi all, can anyone help me out I’m not sure what this black mark is on my coloured graph?
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3 Comments-
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![Profile picture of Juanito]()
Useful, thanks.
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![Profile picture of MReeves]()
Thank you! I must have managed to hit the button by mistake.
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Hi all, can anyone help me out I’m not sure what this black mark is on my coloured graph?
Useful, thanks.
Thank you! I must have managed to hit the button by mistake.
The vertical black line on your Heart Rate graph indicate that you have pressed the Frontier X/X2 button down while recording an activity. This helps you mark that time for anything significant such as lap times, symptoms or anything else you would like to come back to. You can better understand the markings on your graph by clicking on the info…Read More