Think this is the contact page I used - I had registered my Garmin online though and they asked me for the serial number on the back. Should be fine though as they were v helpful. I sent mine back and got a brand new one within a few days. Really great service.
http://www.garmin.com/uk/support/contact-support
Have just "updated" to Windows 8 as I was told it would be quicker - have had to redo the three downloads from Garmin for my 610 and it still isn't working ..... I did read somewhere that Windows 8 is only an advance if you have a touch screen - wish I had listened.
Has anyone else had any trouble with the soft strap ("premium" or whatever they call it) HRM? When I use it for indoor turbo sessions it just gets saturated and then goes to pot completely. Quite frustrating when I'm on a hrm-based session. I'm going to revert back to one of the harder plastic straps again which I've had no trouble with for a couple of years.
Yes, mine goes completely spazzo when I am racing downhill. Apparently a frequently discussed problem on Garmin Fora but I ain't checked it out myself...who cares what your heart rate is going downhill???!
Just setting up my Forerunner 410..
Any tips, tricks useful info that I might not find on a simple online search?!
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I found this on battery replacement for a 305 with a longer life battery. http://reedercommons.blogspot.co.uk/...5-battery.html