It turns itself off and on constantly. Entirely useless now. Ofcourse, it takes a total crap on a holiday weekend so there is no way to get an RMA# from tech support to start shipping it back now. So, I have to wait until Tuesday just to have them tell me to ship it back. Great.
It looks like it would be really great to run with, and I was looking forward to using it in the race, but its junk. Thanks, Garmin, for having a pathetic quality control department.