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7. INSTRUCTIONS FOR CHARGING THE CELL
The rechargeable coin cell is used to supply power for the oximeter.
When it is run out, you need to use the provided charger to charge it,
details is as follows:
1. Insert the cell into charger; pay attention to its polarity (as shown in
the following figure).
2. Connect the charger and power adapter by charger cable in the fol-
lowing way.
Charger
Charging indicator
Polarity
Charger
Charging indicator
Charger cable
Power adapter
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