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 on the back of the sensor.

   

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.