Replacing The Cadence Sensor Battery - Garmin EDGE 540 Owner's Manual

Replacing the Cadence Sensor Battery

The device uses one CR2032 battery. The LED flashes red to indicate a low battery level after two revolutions.
1 Locate the circular battery cover
2 Twist the cover counter-clockwise until the marker points to unlocked and the cover is loose enough to
remove.
3 Remove the cover and the battery
4 Wait 30 seconds.
5 Insert the new battery into the cover, observing polarity.
NOTE: Do not damage or lose the O-ring gasket.
6 Twist the cover clockwise until the marker points to locked.
NOTE: The LED flashes red and green for a few seconds after battery replacement. When the LED flashes
green and then stops flashing, the device is active and ready to send data.
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on the back of the sensor.
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Device Information