Replacing The Battery - Sportline SP4420/710 W Instruction Manual

REPLACING THE BATTERY

The watch uses one (1) standard lithium replacement battery: CR2032, 3 volts.
Battery replacement will be required from time to time. Battery life will vary depending on
usage of the Heart Rate feature which requires high power consumption. To replace the
battery of your LED Heart Rate Watch, we recommend this be done by a watch repair service
center. This ensures the water resistance will be retained after battery replacement.
The battery should be changed when:
1. The display fades in part or dims completely.
2. The heart rate function will not activate,
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