To view the tracks
Conect unit to PC via USB
Menu-Menu-Setup-Entr-Interface-Entr-USB Mass Storage-Enter
Then look for the new drive on the PC for your SD card
Each individual daily track is kept until you delete or moved!
Each track is viewed in MapSource.
Thanks for the tip. Getting the GPX files off my handheld since returning from Alaska has been a perplexing problem. The manual led me to believe I had a driver problem. Thanks for the great information.