Hi, here is a link to a lot of useful info for your 650, and yes you can download that program to your device;-)
Please visit: http://gpsinformation.info/penrod/oregon650/garminoregon650.html
and this site: http://support.groundspeak.com/index.php?pg=kb.page&id=532
And here is their downolad page geocaches;-)
In any case, I will stick with you until this is complete.
Please rate my service kindly.
Also it is the only way I am credited for my time and expertise with you.
Once you rate, I will be notified and will add your question to my priority list so you can reach me anytime until this problem is solved.
Then you can reach me by simply replying to this message anytime.
Thank you and have a great day!
And here is a video to help you ;-)
Have a great night And please rate kindly at this time.