Setting a Garmin Outdoor Watch to UltraTrac Mode for Longer Battery Life | Garmin Customer Support
Review: Garmin Edge 820 | road.cc
Why is my garmin doing this? I tried on normal GPS. Then GPS with glonass. And this was on ultratrac. The radius always shrinks and the error rate is as high as
Foretrex 601 | Garmin
Garmin Forerunner 935 UltraTrac mode: an incredibly fun battery test | TechRadar