1 | Introduction Read this before installing or using COMMAND 1.1 | Title Installation & Operators Manual 2026 1.2 | About This Manual This manual provides instructions for the installation, configuration, and operation of T3RRA's COMMAND system. COMMAND is an automated land levelling control system that uses GNSS receivers, hydraulic interfaces, and onboard sensors to control implement movement. This manual is intended for trained dealers and technicians responsible for installing and commissioning COMMAND systems on supported machines. All users must read and understand this manual before installing or operating the system. 1.3 | Important Notices COMMAND Installation & Operators Manual © 2026 T3RRA Pty Ltd Notice of Rights No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior written permission of T3RRA Pty Ltd. Trademark Notice T3RRA, T3RRA Cutta™, T3RRA Plane™, T3RRA Ditch™, T3RRA Survey™, T3RRA Apply™, T3RRA Design Plus™, iDitch™, COMMAND™ and Level COMMAND™ software images and their logos are the exclusive trademarks of T3RRA. All other trademarks, service marks, software images and logos used in this documentation belong to their respective owners. Notice of Liability The information in this document is distributed on an ‘as is’ basis, without warranty. While every precaution has been taken in the preparation of this manual, neither the authors nor T3RRA shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the instructions contained in this book or by the computer software and hardware products described in it.  Disclaimer We make a sincere effort to ensure the accuracy of the material described herein; however, T3RRA makes no warranty, expressed or implied, with respect to the quality, correctness, reliability, accuracy, or freedom from error of this document or the products it describes. Data used in examples and sample data files are intended to be fictional. Any resemblance to real persons or companies is entirely coincidental. All information in this manual was correct at the time of writing. T3RRA reserves the right to make corrections to the manual at any time and without notification. 1.4 | Important User Information The COMMAND system must only be installed and operated by individuals trained in its functional and safety requirements. Use of the system outside the scope of this manual may result in machine damage or personal injury. If any information within this manual is unclear, contact T3RRA before installing, operating or servicing the system. Technical Support For technical support of the COMMAND system, please contact T3RRA. Support is available via phone, email and the internet during business hours, Monday to Friday. Address Shed 4, 18 Rocla Court, Glenvale QLD 4350 Website www.t3rra.com Email info@t3rra.com 1.5 | Important Safety Information WARNING: The COMMAND system can automatically control hydraulic movement without operator input. Ensure all personnel remain clear of the implement during operation. General Safety Guidelines Read and Understand Instructions Operators must read this manual in full before using the system. Do not operate the system without a complete understanding of its controls and functions. Authorized Personnel Only Only trained and qualified individuals should operate, maintain, or service the COMMAND system. Operator Responsibility COMMAND is designed to assist with land levelling but does not replace operator supervision. The operator must remain alert and in control at all times. Operational Safety Supervise All Automated Movements The landforming implement may move automatically based on GNSS and IMU sensor inputs. Maintain Safe Distance Never stand or allow others to stand near the implement, blade, or hydraulic components while the system is engaged. Manual Override Ensure all operators are familiar with how to disengage or manually override the system in an emergency. System Activation Warnings Automatic Movement Hazards The blade or land levelling implement may move without manual input during automatic operation. Clear the area of personnel before activating the system. Hydraulic Pressure Hazards This system operates using high-pressure hydraulic components. Do not inspect, service, or disconnect hydraulic lines while the system is active or pressurized. Use caution when working near hoses and actuators. Sensor and Signal Dependency GNSS Dependency The system relies on accurate GNSS input. A degraded or lost signal may lead to incorrect implement height or tilt adjustments. IMU Sensor Calibration Incorrect sensor calibration may cause unintended implement movement.  Terrain and Environmental Awareness Survey Field Conditions COMMAND cannot detect soft ground, underground obstacles, ditches, or debris. Make sure to manually inspect and clear the field before using the system. Slope Limits Avoid operating the system on steep or uneven terrain beyond rated slope specifications. Excessive tilt may cause machine tipping or unsafe implement engagement. Maintenance Safety Pre-Start Inspection Before each operation, inspect all components, including hydraulic lines, sensor mounts, and electrical connections. Lockout/Tagout for Servicing Fully power down the tractor and disable the land levelling system before performing any maintenance. Emergency Protocols Emergency Stop Ensure the operator is aware of the tractor emergency stop mechanism location and function. Test according to machine or implement manufacturer's conditions and recommendations.   Error Handling If the system displays a fault code, sensor error, or warning alert, cease operation immediately and refer to Section 10: Troubleshooting. Bystander & Site Safety No Passengers Never allow anyone to ride on the implement or tractor while the system is operating. Establish Exclusion Zone Mark the working area clearly. Unauthorized personnel should remain clear of the worksite during automated operations. Safety Labelling and Hazard Indicators Ensure all safety labels on the implement and control interface are clean, visible, and intact. Replace damaged or unreadable labels immediately.  Before Proceeding Before installing or operating the COMMAND system: - Read and understand all safety information in this section - Ensure all operators are familiar with machine safety and system disengagement procedures - Contact T3RRA if any information within this manual is unclear Proceed to Section 2 | System Overview