Trimble CFX-750 - Roll; Antenna Compensation; Antenna Height; Antenna-to-Axle Offset

4 Vehicle guidance setup Autopilot steering system
Roll / Antenna Compensation
Antenna measurements help the system steer the vehicle more accurately.
Before taking measurements:
1. Park the vehicle on level, solid ground.
2. Make sure the vehicle is straight, with the center line of the body parallel to the wheels.
Follow directions carefully and provide measurements that are within 2.5 cm (1inch) for the best
results after calibration. (Text displays on the screen to help you understand each measurement
and process.
Tap after you have adjusted all three measurements correctly.
Antenna Height
1. Measure vertically from the ground to the top of the GNSS receiver. Enter the measurement in
the appropriate units of the display.
2.
Tap .
Antenna-to-Axle Offset
1. Measure horizontally from the center of the fixed axle to the center of the GNSS receiver. Enter
the measurement in the appropriate units of the display.
2. If the GNSSreceiver is located:
ll In front of the measurement axle, tap Forward.
l Behind the measurement axle, tap Behind.
Vehicle Type Measure from the center of...
MFWD vehicles the rear axle
4WD articulating vehicles the front axle
Tracked vehicles the track assembly
Combines the front axle
Swather vehicles the front axle
Sprayer vehicles the rear axle
78 CFX-750 Display User Guide Version 7.0, Revision A