9 Yield Monitoring setup Yield Monitoring calibration
Roll Calibration
Note – You need a GNSS location to perform this calibration.
The Yield Monitoring Module has inertial measuring devices to adjust for the terrain you encounter
while harvesting.
1. At the Connector Orientation, tap the appropriate choice to indicate how the connector is
positioned in relation to the vehicle and how Label Orientation relates to the vehicle. Tap .
2. At the Label Orientation screen, tap the appropriate choice to indicate how the label is
positioned in relation to the vehicle. Tap .
3. Park the vehicle on flat ground and mark the inside position of the front and rear wheels.
4.
At the Roll Calibration:Step 1 screen, tap .
5. Wait while the roll is determined.
6.
When prompted, turn the vehicle around so that the front wheels are in the position where the
rear wheels were and the rear wheels line up with the marks from the front wheels.
Tap and then wait for the roll offset to be determined.
Calibrations in the field
For accurate performance of the Trimble Yield Monitor, you must calibrate the optical yield sensors
and moisture sensor in the field in reference to a known good scale and moisture sensor.
Yield flow and moisture sensor calibration
As part of calibrating yield flow, you collect loads to use for calibration. There are two methods for
collecting calibration loads:
l Speed method: Consistent header width, varied speed
l Cut width method:Consistent speed, varied header width
Speed method
This method uses:
l A consistent header width
l Varied speed to calibrate for Low, Medium, and High grain flows, to provide a calibration curve
for Low, Medium, and High flow variations throughout the course of harvest
160 CFX-750 Display User Guide Version 7.0, Revision A
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