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3 - SETUP
"Forward
Offset,"
"Right
Offset,"
and
"Height Offset"
When a model-specific location is selected in the "GPS
Location" window, default values populate the "Forward
Offset" and "Right Offset" windows. The windows are
dimmed and not editable. These values are accurate for
the factory-installed or field-installed location of the GPS
receiver with the standard mounting bracket. The "Height
Offset" window displays a default value that is based on
a vehicle equipped with standard tires This window is ed-
itable. When the "Autoguidance" application is present,
measure the height offset and adjust the value for accu-
racy. The value is used for roll correction to keep the ve-
hicle aligned to the swath.
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RAIL14DSP1511BA
When "Custom" is selected in the "GPS Location" win-
dow, no default values populate the "Forward Offset,"
"Right Offset," or "Height Offset" windows.
Use this
selection when the GPS receiver is not mounted at the
recommended factory-installed or field-installed location,
or when a custom bracket is in use. You must measure
the forward offset and right offset and enter each value
into the appropriate window.
Offset values, which describe the distance between the
GPS receiver and the GPS reference point, are required
to achieve more accurate swath alignment, product appli-
cation, and data mapping. The distances are described
in a three dimensional plane.
The GPS receiver location is its physical location on the
vehicle. Measure from the bottom center of the receiver.
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RCIL11DSP302BBG
The GPS reference point varies by vehicle:
• Front steer tractors: the ground below the center of the
rear axle
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RAIL12DSP1510BA
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