Calibrating Tire Size-With Radar

NOTE: Calibrating tire size is necessary to obtain accurate wheel slip percentage. Calibration needs to be taken on a hard surface with no load.

Drive tractor straight while pressing and holding wheel slip switch (A) for five seconds. Display will read "CAL" if calibrated correctly. Display will read "Err" if not calibrated correctly.

NOTE: Tractor must be moving and radar installed correctly to ensure correct wheel slip calibration. If an "Err" message continues to be displayed, see your John Deere Dealer.

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