I don’t know if it’s the same as the problem I had with my 920 reverting to turning on the Move alert, but you may have luck with checking the corresponding setting in your Garmin mobile app.

My Garmin mobile app had the Move alarm set to be on, so every time they connected to each other it would change the setting on my watch.

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George Dedopoulos | @geodee | geodee.com | Team Atomica | Toronto Triathlon Club

My 1000 has starting to do the same - no biggie just frustrating

Yeah this is a common issue after the last firmware update. I've just rolled back to the previous firmware and seems to have worked

How do you roll back the firmware?

ditto that!?

Old firmware versions available here: http://gawisp.com/perry/edge/

Download the version you want, then rename the file to GUPDATE.GCD, and copy it to the Garmin folder on the Edge. Then unplug it and switch it on, and it should install that firmware version.

This will wipe your settings etc so best to save anything you want to keep

cool thanks

same did my 910xt; the fix is:

go to https://connect.garmin.com/
select device settings
set distance = km
launch garmin express
launch synchronisation

no more stupid imperial units so far...

My forerunner 220 has been doing this lately as well and setting the units in Garmin connect didn't work for me. :( Everytime I plug it into my computer it gets reverted - very annoying!