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 
greetings 
willy 
  
 |