Garmin Edge® 520 Bundle Owner's Manual

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Insert the new battery with the positive side facing up.
NOTE: Do not damage or lose the O-ring gasket.
5
Replace the back cover and the four screws.
NOTE: Do not overtighten.
After you replace the heart rate monitor battery, you may need 
to pair it with the device again.
Heart Rate Monitor Specifications
Battery type
User-replaceable CR2032, 3 volts
Battery life
Up to 4.5 years (1 hour per day)
Water resistance
3 ATM*
NOTE: This product does not transmit heart 
rate data while swimming.
Operating temperature 
range
From -5° to 50°C (from 23° to 122°F)
Radio frequency/
protocol
2.4 GHz ANT+ wireless communications 
protocol
*The device withstands pressure equivalent to a depth of 30 m. 
.
Limited Warranty
The Garmin standard limited warranty applies to this accessory. 
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