https://support.garmin.com/en-GB/?faq=9Ubb6JlQAT3PSKziegpQa7
Initial Setup For the Forerunner 310XT or 910XT | Garmin Support
Garmin Support Center United Kingdom is where you will find answers to frequently asked questions and resources to help with all of your Garmin products.
initial setupfor theforerunnergarminsupport