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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.
Replacing the Speed Sensor or Cadence Sensor
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
TIP: You can use a piece of tape
the battery from the cover.
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.
Troubleshooting
Resetting the Device
If the device stops responding, you may need to reset it. This
does not erase any of your data or settings.
Hold
for 10 seconds.
The device resets and turns on.
Clearing User Data
You can restore all of the device settings to the factory default
values.
NOTE: This deletes all user-entered information, but it does not
delete your history.
Select
> Settings > System > Device Reset > Factory
Reset >
.
Maximizing Battery Life
• Turn on Battery Save Mode
Mode, page
20).
• Decrease the backlight brightness
page
2) or shorten the backlight timeout
page
18).
• Select the Smart recording interval
page
18).
• Turn on the Auto Sleep feature
• Turn off the Phone wireless feature
page
18).
20
on the back of the sensor.
.
or a magnet to remove
(Turning On Battery Save
(Using the Backlight,
(Display Settings,
(Data Recording Settings,
(Using Auto Sleep, page
(Bluetooth Settings,
• Select the GPS setting
page
17).
• Remove wireless sensors that you no longer use.
Turning On Battery Save Mode
Battery save mode adjusts the settings automatically to extend
the battery life for longer rides. During an activity, the screen
turns off. You can enable automatic alerts and tap the screen to
wake it up. Battery save mode records GPS track points and
sensor data less frequently. Speed, distance, and track data
accuracy are reduced.
NOTE: History is recorded in battery save mode when the timer
is running.
1
Select
> Settings > Battery Save Mode > Enable.
2
Select the alerts that wake up the screen during an activity.
Improving GPS Satellite Reception
• Frequently sync the device to your Garmin Connect account:
◦ Connect your device to a computer using the USB cable
and the Garmin Express application.
◦ Sync your device to the Garmin Connect Mobile app using
your Bluetooth enabled smartphone.
◦ Connect your device to your Garmin Connect account
using a Wi‑Fi wireless network.
While connected to your Garmin Connect account, the device
downloads several days of satellite data, allowing it to quickly
locate satellite signals.
• Take your device outside to an open area away from tall
buildings and trees.
• Remain stationary for a few minutes.
My device is in the wrong language
1
Select
.
2
Scroll down to the last item in the list, and select it.
3
Scroll down to the last item in the list, and select it.
4
Scroll down to the sixth item in the list, and select it.
5
Scroll down to your language, and select it.
Setting Your Elevation
If you have accurate elevation data for your present location,
you can manually calibrate the altimeter on your device.
1
Select Navigation >
2
Enter the elevation, and select
Temperature Readings
The device may display temperature readings that are higher
than the actual air temperature if the device is placed in direct
sunlight, held in your hand, or is charging with an external
battery pack. Also, the device will take some time to adjust to
significant changes in temperature.
Replacement O-rings
Replacement bands (O-rings) are available for the mounts.
NOTE: Use Ethylene Propylene Diene Monomer (EPDM)
replacement bands only. Go to http://buy.garmin.com, or contact
your Garmin dealer.
Viewing Device Information
1
Select
> Settings > System > About.
2
Select an option.
• Select Regulatory Info to view the regulatory information
18).
and model number.
(Changing the Satellite Setting,
> Set Elevation.
.
Troubleshooting
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