AutoTrac Universal (ATU) - StellarSupport - John Deere

Line Sensitivity – Tracking
Determines how aggressively ATU responds to tracking
errors while the vehicle is on the track. Tracking error
is the distance between the location of the vehicle and
the desired track. Setting this number higher causes the
ATU to respond more aggressively to match the vehicle
location to the desired track. Higher numbers result in
more aggressive wheel motion. Lower gains can result in
reduced accuracy. This setting affects performance while
on track only.
Curve Sensitivity
Determines how aggressively ATU responds to a curve
in the track. If the tractor is turning inside of the curve,
Steer Play
Some vehicles have excess play in their steering system
which allows the steering wheel to be turned without
change in the vehicle direction. This setting controls the
distance that the steering wheel turns to take up this
excess play. When ATU is placed on a machine that
Direction of Travel
For ATU 200 (2.01G or newer software) and ATU (1.10G
or newer software), an operator has the ability to change
the direction of travel on the ATU.
GS2 1800 Display
35-5
B—Tracking Error
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set this number lower. If the tractor is turning outside of
the curve, set this number higher. This setting affects
performance in curve track only.
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has excess play this setting is used. This number is set
higher on vehicles which require greater steering wheel
movement before the steering system responds. This
setting is only used on vehicles with excess play in their
steering system. This number is set to 0 on most vehicles
except windrowers.
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NOTE: This option is not available for Articulated and
Windrowers. This option is also not available
if the ATU direction is unknown or if AutoTrac
is active and tracking.
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