X20 Sprayer Reference Manual

As the wheel sensor passes past the magnet a pulse is counted for every pulse from the radar.

5.Stop after approximately 20 meters (60 feet)

6.Put another mark on the ground alongside the same wheel as used in Step 2

7.Measure the distance of the two marks, using a tape measure

8.Press the calculator icon next to ‘Enter Distance’, in the Calibrate window

The Wheel Factor is automatically calculated

9.Press ENTER to save the Wheel Factor and close the window.

Distance Check

To check the Wheel Factor:

1.Press Reset, in the Distance Check window (Figure 8-17 on page 8-47)

2.Drive back between the two marks made in steps 2 and 6 during the Calibration

The distance travelled must be the same as the distance measured, if it is not you must re-calibrate the Wheel Factor.

3.Press ENTER to save changes and return to the Setup page (Figure 8-16 on page 8-46).

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Topcon A2677 manual Distance Check