The GPS fix rate determines the accuracy of your track - the shorter the interval is between fixes, the better the track accuracy is. Each GPS fix is recorded in your log when recording an exercise.
The GPS fix rate also directly affects battery life. By reducing GPS accuracy, you can extend the battery life of your watch.
The GPS accuracy options are:
You can change GPS accuracy from the sport options in your watch.
Whenever you navigate a route or a POI, the GPS accuracy is automatically set to Best.
The first time you exercise or navigate with GPS, wait for the watch to acquire a GPS fix before starting. This may take 30 seconds or more depending on conditions.