Does the Onix SI units have the donut issues below .5 MPH and if so do you have to purchase the upgraded GPS puck to fix this issue like on the 800,900,1100 series units?
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Does the Onix SI units have the donut issues below .5 MPH and if so do you have to purchase the upgraded GPS puck to fix this issue like on the 800,900,1100 series units?