physical activity increases, the device will automatically increase your activity class based on your
recorded heart rate information. Your activity class will not be automatically decreased if, for
example, you engage in less strenuous activity, but you should manually decrease your activity
class if you think that it has decreased over time. See the table below for information on determining
your activity class.
Activity classActivity description
0Always avoid exertion, whenever possible.No regular participation in
recreational sportsor heavy physical
activity.
1Walk for pleasure, routinely use stairs, occasionally
exercise sufficiently to cause heavy breathing or
perspiration.
210 - 60 minutes per weekRegular participationin recreationor
work requiring modest physical
activity, such as yard work, nordic
walking ormoderate-intensity cycling.
3Over 1 hour per week
4Less than 30 minutes per weekRegular participation in heavy
physical exercise, such as running,
aerobic classes or high-intensity
cycling.
530 - 60 minutes per week
61 - 3 hours per week
7Over 3 hours per week
7.55 - 7 hours per weekEndurance athlete (Regional level)
87 - 9 hours per week
8.59 - 11 hours per weekEndurance athlete (National level)
911 - 13 hours per week
6
