Quote:
Originally Posted by Squint
My SG2 shutoff at the first stoplight which reminded me to set the fuel type.
I set the speed correction to 3% and now my GPS and the SG2 match as far as current speed is concerned. Trip distance is still slightly off but not as much as before the correction.
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Driving in this morning (playing with this thing in the rain at 70
MPH), I tried 1, 2, and 3% comparing it to my hand-held Garmin GPS that I deem very reliable. At 70
MPH it seemed to match pretty good at 3%. The GPS shows in tenths and rounding the number was matching pretty good.
At 40 - 60
MPH, I found that it was a little high and that 2% was a better choice. At 20 - 40
MPH the 2% seemed ideal as well.
It may be the air in my tires or other factors, but 2% seems to be my choice.