Skip to content Increase the accuracy of the average speed calculated by GPSport 260. Remove the track, which is upload from ezTour planner, from GPSport 260 device. GPSport 260 does not point to the nearest point of the track ezTour can’t detect GPSport 260 / 260 Pro. Use GPS to calculate Altitude? The altitude seems not accurate. GPSport 260 can’t detect steps after start pedometer. How do I solve it? How can I write the GPS data in my photo pictures? How to use ezTour? I try to search about BT-747 utility information for my MacOS. I still don’t know how to use it? What is “POI” ?