Calibrating the GO 620 Speed

Jloupjloup
Registered Users Posts: 5 
Apprentice Traveler

Apprentice Traveler
Hi everybody,
I'm trying to find out if we can calibrate the real speed displayed on my GO 620. I've noticed that there is a difference of 5 km / h (Metric System) below that displayed by my car ?
Thank you
I'm trying to find out if we can calibrate the real speed displayed on my GO 620. I've noticed that there is a difference of 5 km / h (Metric System) below that displayed by my car ?
Thank you
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Best Answer
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Hi
@Jloupjloup
See... Wikipedia Speedometer....
Here... https://en.wikipedia.org/wiki/Speedometer
ATB YFM6
Answers
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All car speedos will read high. One reason is to ensure that manufacturing tolerances don't lead to a unit reading low and leaving the driver inadvertently breaking the speed limit.2
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tonygr is right.
You can also check it with a smartphone app1 -
Hi
@Jloupjloup
See... Wikipedia Speedometer....
Here... https://en.wikipedia.org/wiki/Speedometer
ATB YFM6 -
So should I consider the speed indicated by my GPS as the right and accurate one, because it is calculated via satellite information vs map position, exact ?
Thanks,
jloup0 -
Yes, the speed calculated by the GPS will be much more accurate than the speedometer in your vehicle.2
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Didn't know about it or think about it until I saw the op question. Now I know I have some leeway...haha!
Thx YFM0