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Garmin Etrex 30 Trip computer

Started by Blkbrd, April 08, 2012, 12:58:28 PM

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Blkbrd

Why is the trip odometer changing even though I am sitting still inside?

Boyd

Errors in your position fix make the unit appear to be moving. Since you're inside, these errors could be substantial and can add up to a lot of distance.

Seldom

Zoom in as close as you can to the track and you'll see a "spiderweb".  Add up the legs of the spider web, 5 feet here, 5 feet there, and you'll get large error Boyd describes.