To start a round, firstly, power the watch on by pressing the top-left button, this will bring you to the watch's home screen. Secondly, press the the top-right button to go into the game mode screen.
Once in the game mode screen, you have three options:
*GPS + Track mode
Once you have selected a game mode the watch will start searching for a GPS signal. After the GPS signal has been found, the watch will present you with a list of courses that are within 1km of your location. Scroll through the list and once you have found the correct course, press the top-left button to confirm your choice. The round will then be started.