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
Á
.
4
Wait 30 seconds.
5
Insert the new battery with the positive side facing up.
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 >
System
>
Device Reset
>
Factory Reset
> .
Maximizing Battery Life
• Decrease the backlight or shorten the backlight timeout
).
• Select the
Smart
recording interval (
• Turn on the
Auto Sleep
• Turn off the Bluetooth wireless feature (
• Turn off wireless connectivity (
).
Using Auto Sleep
You can use auto sleep to automatically enter sleep mode after
5 minutes of inactivity. During sleep mode, the screen is turned
off and the ANT+ sensors, Bluetooth, and GPS are
disconnected. Wi
‑
Fi continues to run while the device is asleep.
1
From the home screen, select >
Activity Profiles
.
2
Select a profile.
3
Select
Auto Features
>
Auto Sleep
.
Improving GPS Satellite Reception
• Connect your device to a wireless network.
Satellite information is wirelessly downloaded to your device,
allowing it to quickly locate satellite signals.
• Pair your device with a Bluetooth enabled smartphone.
Satellite information is sent to your device, allowing it to
quickly locate satellite signals.
• Take your device outside to an open area away from tall
buildings and trees.
• Remain stationary for several minutes.
Getting More Information
• Go to
• Go to
• Go to
, or contact your Garmin dealer
for information about optional accessories and replacement
parts.
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.
Viewing Device Information
You can view the unit ID, software version, and license
agreement.
From the home screen, select >
System
>
About
.
Replacement O-rings
Replacement bands (O-rings) are available for the standard
mount in two sizes:
• 1.3 × 1.5 × 0.9 in. AS568-125
• 1.7 × 1.9 × 0.9 in. AS568-131
NOTE:
Use Ethylene Propylene Diene Monomer (EPDM)
replacement bands only. Go to
contact your Garmin dealer.
Updating the Software
Before you can update your device software, you must have a
Garmin Connect account, and you must download the Garmin
Express application.
1
Connect the device to your computer using the USB cable.
When new software is available, Garmin Express sends it to
your device.
2
Follow the on-screen instructions.
3
Do not disconnect your device from the computer during the
update process.
NOTE:
If you have already used Garmin Express to set up
your device with Wi
‑
Fi connectivity, Garmin Connect can
automatically download available software updates to your
device when it connects using Wi
‑
Fi.
Appendix
Registering Your Device
Help us better support you by completing our online registration
today.
• Go to
.
• Keep the original sales receipt, or a photocopy, in a safe
place.
Data Fields
Some data fields require ANT+ accessories to display data.
Balance
: The current left/right power balance.
Balance - 10s Avg.
: The 10-second moving average of the left/
right power balance.
Balance - 30s Avg.
: The 30-second moving average of the left/
right power balance.
Balance - 3s Avg.
: The three-second moving average of the
left/right power balance.
Troubleshooting
15
