Create your PQ
Schedule your PQ to run (on the same day, if you want it ASAP)
Wait until you get the "PQ ready" email
Either download from your email if it is less than 500 caches, or go to the PQ page and download from there if it is between 501 and 1000.
Connect your Dakota 10
Copy the file to X:\Garmin\GPX where X is the drive letter of your Dakota 10. For Macs, adjust accordingly.
Thank you that worked.. I had not selected a day.