Device Information; User Replaceable Batteries; Speed Sensor And Cadence Sensor Specifications; Troubleshooting - Garmin SPEED SENSOR 2 Owner's Manual

Pairing the Speed Sensor With Your Smartphone
The speed sensor must be paired directly through the Garmin
Connect app, instead of from the Bluetooth settings on your
smartphone.
1
From the app store on your smartphone, install and open the
Garmin Connect app.
2
Bring your smartphone within 3 m (10 ft.) of the sensor.
NOTE: Stay 10 m (33 ft.) away from other wireless sensors
while pairing.
3
Rotate the wheel two revolutions to wake up the sensor.
The LED flashes green for five seconds to indicate activity.
The LED flashes red to indicate a low battery level.
4 Select an option to add your device to your Garmin Connect
account:
• If this is the first device you have paired with the Garmin
Connect app, follow the on-screen instructions.
• If you have already paired another device with the Garmin
Connect app, from the
Devices > Add Device, and follow the on-screen
instructions.

Device Information

User Replaceable Batteries

See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
Replacing the Speed 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 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 so that the marker on the cover
aligns with the marker on the case.
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.
2
or menu, select Garmin
WARNING
on the front of the sensor.
.
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
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.
Speed Sensor and Cadence Sensor
Specifications
Battery type
Battery life
Speed sensor storage
Operating temperature range
Wireless frequency/protocol
Water rating
*The device withstands incidental exposure to water of up to 1 m
for up to 30 min. For more information, go to
/waterrating.

Troubleshooting

My device will not connect to the sensors

If your device will not connect to the speed and cadence
sensors, you can try these tips.
• Rotate the crank arm or wheel two revolutions to wake up the
sensor.
The LED flashes green for five seconds to indicate activity.
The LED flashes red to indicate a low battery level.
• Replace the battery if the LED does not flash after two
revolutions.
• Enable Bluetooth technology on your smartphone or Garmin
device.
• Pair the sensor with your device using ANT+ technology.
on the back of the
.
User-replaceable CR2032, 3 V
Approximately 12 mo. at 1 hr./day
Up to 300 hr. of activity data
From -20º to 60ºC (from -4º to 140ºF)
2.4 GHz @ 4 dBm nominal
IEC 60529 IPX7*
www.garmin.com
Device Information