Hello, my  loco sys gt-31, at the end of the day ther are several  files. in stead of 1 file. I know that i can merge these files. But also auto SBN file,,,,,,,,,,,,

The aut SBN files are not possible to open??

Do i have to reset or updat my GPS





Not sure what exaclty is the question, you could check this page to check if the settings are ok ->

Also you could check this discussion at the dutch forum ->

To merge files best is to use GPSResults or GPSarPro for this. Both applications have detailed instructions on their website.