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During surveying and surfacing, there are various different ways to edit/remove drain and survey points. 'Select by Z’ allows you select elevation points by their height. After you click on it, you’ll see a graph of all your elevation data. Choose the data ...

Important: Please read this before using any of our software products. T3RRA Operators Manual © 2026 T3RRA Notice of Rights No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language o...

Both Mark Twain and Will Rogers shared a wise sentiment: “Buy land, they’re not making it anymore”. We can’t help you buy land, and we definitely can’t help you make more of it. What we can do is help you make your current land better.  This manual describes t...

T3RRA in-cab software is compatible with any 64-bit Windows 11 PC, including desktop computers, laptops and tablet PCs. While the software can be operated using a keyboard and mouse, it has been designed primarily for use with a touchscreen interface. For most...

Accurate machine control depends on the performance of the entire landforming system, not just the T3RRA software. T3RRA software works in conjunction with John Deere iGrade™, combining terrain design, guidance and implementation with iGrade's machine-control ...

John Deere iGrade™ is an integral part of the T3RRA machine-control solution. While T3RRA software provides terrain design, guidance and implementation functionality, John Deere iGrade™ performs the hydraulic machine control required to operate the implement. ...

Starting T3RRA Software On most installations, T3RRA software is configured to start automatically when the tablet PC boots. If the software does not start automatically and you would like this functionality enabled, refer to the accompanying troubleshooting g...

T3RRA software is typically installed and configured by your authorised T3RRA dealer as part of system commissioning. Before installing the software, ensure the tablet PC has a reliable internet connection and is fully updated through Windows Update. Keeping W...

T3RRA regularly releases software updates to improve reliability, introduce new features and enhance compatibility with supported hardware. Keeping your software up to date ensures you have access to the latest improvements and bug fixes. Checking for Updates ...

Transitioning from T3RRA Cutta V1 to T3RRA Cutta V2 has been designed to be as straightforward as possible. The familiar wizard-based workflow has been retained, along with the core operating principles used throughout V1. While the user interface has been ref...

As-Applied: Represents the current state of the field as work progresses. The As-Applied surface typically transitions from matching the original surface to matching the design surface as earthworks are completed. Also referred to as As-Built. Backslope (Batte...

When T3RRA software is opened, the Main Page is the first screen displayed. This same screen is also shown when New Project is selected from within the Wizard. The Main Page provides access to the primary application controls, including display settings, softw...

T3RRA software uses the T3RRA Project File (.tci) as its native project format. Data from supported external file formats can be imported and converted for use within a T3RRA project. To import external data, select Import from the Main Page and choose the app...

T3RRA software uses the T3RRA Project File (.tci) as its native project format. Data from supported external sources must be imported using the Import function before it can be used within a T3RRA project. T3RRA Design provides additional import and conversion...

Select Load proj. to open an existing T3RRA project (.tci). Projects can be loaded from the standard T3RRA project structure, from another location on the tablet PC, or from external storage such as a USB drive. To begin, select Load proj. from the Main Page....

Saving a project allows you to close T3RRA software and return to your work later while retaining the project's survey, design and other associated data. Although T3RRA software includes an automatic backup system, regularly saving your project is strongly rec...

Units: ‘Language’ - Changes the language ‘Length’ - Changes unit of distance measurement. ‘Area’ - Changes unit of area measurement. ‘Volume’ - Changes unit of volume measurement. ‘Estimated Cost’ - Set an estimated cost per volume of dirt moved. ...

Look ahead delay time - In order to control blade height the software must receive an elevation from iGrade™, process that elevation, and then return a control signal to iGrade™. This control loop is quick but the time delay can cause inaccurate implementa...