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Hardware Introduction
The ActiTrainer provides a wealth of information. The diagram below outlines the hardware functionality.
Figure 1 – ActiTrainer Device Features
Physical specifications available in
Appendix A
Theory of Operation
The ActiTrainer utilizes a +/- 5g, two-axis solid state accelerometer to interpret movement of the body to which it
is attached. Special algorithms are applied which accurately determine the amount of energy (calories) expended,
steps taken, distance traveled and walk or run speed of the user. Because the ActiTrainer is dependent on
movement for its measurements, it is vital that the device fit snugly against the waist or arm while in use.
The data collected while the ActiTrainer is worn is logged in the device's internal memory which can store
approximately 64 days of consecutive data before being cleared. In addition, the activity parameters can be
reviewed at any time on the ActiTrainer's built-in display.
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