The heart rate, indicated in heartbeats per minute, is measured by calculating the heart-
*
beat intervals across a 60-second period.
4. Preparing the measurement
4.1 Charging the device
Proceed as follows to charge the ME 80:
Note: you can also charge the device using a standard 5V usB charger.
1. Remove the lower cover from the device.
2. Connect it to the USB port on your computer.
3. The charging symbol
4. The charging symbol
indicates that charging is in progress.
indicates that charging is complete.
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