Omron HR-210 User Manual

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9
bATTERY REPLACEMENT
The watch uses a CR2032 3V battery, which has already been installed. If   or   
flashes, it means battery power is low and should be replaced. If battery power is low,
alarm beeping, backlight and heart rate measuring functions will be disabled. To assure
the water resistance take the watch to a local jewelry store for battery replacement.
Improper replacement will void the warranty.