vielleicht steht es schon wo - egal:
Copy \Garmin\Garmindevice.xml to \Garmin on your SD Card, and you won't have to power up the GPS to download BirdsEye. Just put the card in and Basecamp will recognize your GPS / Serial number.
Quelle: http://forums.groundspeak.com/…291591&st=0&#entry4291591