http://www8.garmin.com/support/download_details.jsp?id=4528
Changes made from version 3.50 to 3.60:
- Removed setup options for chirp
from Dakota 10, which does not support wireless communication.
 
Changes made from version 3.40 to 3.50:
- Added support for Chirp
.
 - Fixed problem with certain custom maps.
 - Fixed issue with Sight 'N Go and user north reference.