Topcon AGA5495, Operator'S Manual

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10.3. Calibrating the mounting bias
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4. Turn the steering wheel full lock to the left and select next
.
5. Turn the steering wheel full lock to the right and select next.
6. Ensure the vehicle is still moving at 2 kph (1.2 mph). Turn the
steering wheel as close to the center position as possible.
Note : Finding the center position and driving in a straight line,
before selecting Next, is crucial for system performance.
WARNING: Ensure there is sufficient space for the
tractor to drive forward in the center position before
proceeding.
7. Select next.
8. The system will begin to save calibration data. Wait until the
screen states that the calibration is completed successfully and
then confirm .
Note
: Some steering controllers may cause the console to offer
hydraulics calibration. If this is displayed, select hydraulics and
follow the screen prompts.
10.3. Calibrating the mounting bias
Mounting bias refers to the initial offset from horizontal at which the
GPS receiver is mounted on the roof of the vehicle. The following
things can affect and change the mounting bias:
l
Tire pressure
l
Track tension
l
Duals
l
Tire sizing
l
Cabin suspension
l
Cabin repairs (suspension and mounts)
l
Removing and refitting the receiver
l
Mounting location has moved