4 Vehicle guidance setup Autopilot steering system
3.
Run the calibration wizard, reading and following all on-screen instructions.
Note – If the steering wheel is not turned completely to either left or right positions when
required, or if the steering sensor requires adjustment or replacement, you must adjust the
sensor and then repeat the calibration.
CAUTION – Failure to be in motion and in a straight path will cause performance problems after calibration.
4. With the wheels steering:
a.
Straight, move the vehicle slowly forward and then tap .
b.
Full left, continue to move slowly forward and then tap .
c.
Full right, continue to move slowly forward and then tap .
d.
Straight, continue to move slowly forward and then tap .
5. After the calibration is complete the Sensor Voltage and Steering Angle results display. Watch
the steering angle to ensure:
a. A systematic angle reading at the steering extremes when you manually steer the wheels
full right and full left.
b. That the angle reading is near zero when you manually steer the wheels straight ahead.
If required, repeat the calibration procedure.
6.
Verify that the voltage and angle are both acceptable, then tap .
Autopilot Automated Deadzone Calibration
WARNING – Many large and sudden changes in satellite geometry caused by blocked satellites can cause
significant position shifts. If operating under these conditions, auto-guidance systems can react abruptly. To avoid
possible injury or damage to property under these conditions, disable the auto-guidance system and take manual
control of the vehicle until the conditions have cleared.
WARNING – Obstacles in the field can cause collisions, which may injure you and damage your vehicle. If an
obstacle in the field makes it unsafe to continue a particular phase of the automated dead-zone calibration, stop
the vehicle to abort the phase and turn the steering wheel to disengage the system. Reposition the vehicle and
continue from the current test phase.
Note – The Steering Sensor Setup and calibration must be performed before you run this
procedure, and the vehicle's hydraulic fluid must be at operation temperature.
By turning the vehicle to the right and to the left, the Autopilot Automated Deadzone Calibration
runs a series of tests on the valve and steering hydraulics to determine:
74 CFX-750 Display User Guide Version 7.0, Revision A
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