A GPS 17N installed in combination with a GMAP 2006 or 2010 (software version 2.15 and above) or a GSD 20 installed in combination with a GMAP 2006 or 2010 (software version 4.0 and above) can be programmed in-situ using a data card.
Instructions for uploading new software using a USB Card Programmer:
Download the appropriate self-extracting archive file onto your hard drive.
Unzip the files in the archive by running the downloaded executable file.
Make sure a USB Card Programmer is connected to your computer, and that a data card is inserted into the programmer.
Change to the directory in which you unzipped the files, (i.e., C:\GarminŽ), and run the update program, program _card.exe. Select "Card Programmer" and