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Setup Options -Setup
10.2 WHEEL CALIBRATION
Wheel
Factor
The current ‘Wheel Factor’ is displayed on the OPTIONS/SETUP page, in distance per pulse.
Select the ‘Calculator Icon’ in the ‘Wheel Factor’ window. The ‘Wheel Factor Entry’ window
will be displayed.
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Select the ‘Calculator Icon’ in the ‘Manual Entry’ window to enter the ‘Wheel Factor’ if the
factor is known, the current Wheel Factor is displayed.
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To calculate the Wheel Factor, place a mark on the ground alongside the sprayer wheel.
Press Reset if the pulses are not on zero.
Drive along steadily in a straight line and watch the pulses accumulate. As the wheel sensor
passes past the magnet a pulse is counted or every pulse from the radar.
After approx. 20 metres (60 feet), stop and put another mark on the ground alongside of the
same wheel.
Measure the distance using a tape measure.
Enter this distance, by pressing the ‘Calculator Icon’ next to the ‘Enter Distance’.
Wheel Factor is automatically calculated.
Press the ‘ENTER’ button to save the Wheel Factor and close the window.
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This can be performed to check the wheel factor entered.
Press the Reset button.
Drive back between the two marks and the distance travelled should be the same as the
distance measured.
The Distance Check can be performed over any known distance.
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V1.98 21/06/06
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