You can use your Garmin Connect™ account to make certain device and user setting changes, such as updating display settings, editing your user profile information, or adjusting your heart rate zones.
Open the Garmin Connect app.
Select More (bottom right).
Select Garmin Devices.
If you have more than one device, select the device you would like to make changes to.
Select an option to edit (such as User Settings).
Make the desired changes.
Save the changes by selecting the back arrow in the top left corner.
Sync the device.
The device will now be updated with the changes made.
NOTICE: Device settings cannot be adjusted through Garmin Connect web if the watch supports Real Time Settings. For more details, see: Real Time Settings in the Garmin Connect App
From a web browser, sign into your Garmin Connect account.
Select 
(Devices & Sync Status) from the top right.
Select the name of the device you would like to make changes to.
Select an option to edit (such as the User Settings tab).
Make the desired changes.
Select Save Settings.
Sync the device.
The device will now be updated with the changes made.