Through this website as well as others I was able to update the basemap of the Sportrak Pro to the M330 14mb using the img file. Well I was wanting to go back to the Default one 8MB. The only one I found on the Internet was a mr_105.dat. I tried to load it the same way I loaded the NA_G103.img file, but was unsuccessful. Where do I find detailed instructions on how to do this? It seems that there aren't any detailed instructions with the Magup program expaining how it can/should be used. I think this would be very valuabe. I also have the Mapsend Streets. It has a program for uploading basemap, but that map is the one for the M330 not Sportrak Pro.
thanks,
Rog