How to Create a Project & Set Coordinate System in CHCNAV TX73

Watch the video or follow the step by step guide below:

1. Open the Projects area.

The screen displays a guidance interface with an animated yellow excavator toy hanging from a cable in the center, surrounded by various controls, indicators, and guidance labels.
The screen displays a guidance interface with an animated yellow excavator toy hanging from a cable in the center, surrounded by various controls, indicators, and guidance labels.

  • From the main menu, go to Common > Projects. 

  • This is where you can view all existing projects and start a new one. 

2. Create a new project.

A computer screen displaying a project management interface. The top menu includes 'Back' and 'Projects' options, along with a 'More' button circled in red. The project listed is titled 'NEW ZEALAND NZG02000 Hawkes Bay 2000,' with a date and time stamp, and a description section below.
A computer screen displaying a project management interface. The top menu includes 'Back' and 'Projects' options, along with a 'More' button circled in red. The project listed is titled 'NEW ZEALAND NZG02000 Hawkes Bay 2000,' with a date and time stamp, and a description section below.

 

  • Click More > Create New Project. 

  • Enter a project name. 

  • The project will use the last-used coordinate system by default, so only change it if needed. 

Create project form with fields for name, coordinate system, units, date/time format, description, and a save button
Create project form with fields for name, coordinate system, units, date/time format, description, and a save button

3. Select the correct coordinate system.

  • If the current coordinate system is already correct, leave it as is. 

  • To change it, click inside the coordinate system selection box, go to More > From Library and choose the coordinate system from the list. 

  • If it is not available in the library, go to More > Preset.  

  • Set your country. 

  • Select the correct coordinate system from the available list. 

  • Click Apply. 

  • Once it appears in the library list, select it and click Accept. 

Create project screen with project name 'demo project', coordinate system 'NEW ZEALAND NZGD2000 Mt Eden 2000', units in meters, and date format HH:mm:ss dd/MM/yyyy.
Create project screen with project name 'demo project', coordinate system 'NEW ZEALAND NZGD2000 Mt Eden 2000', units in meters, and date format HH:mm:ss dd/MM/yyyy.
Video game menu screen showing New Zealand editions with options to preview or apply.
Video game menu screen showing New Zealand editions with options to preview or apply.

4. Confirm vertical adjustment settings.

Screenshot of coordinate system settings for a geographic information system, including options for ellipsoid projection, datum transformation, horizontal adjustment, and geoposition file.
Screenshot of coordinate system settings for a geographic information system, including options for ellipsoid projection, datum transformation, horizontal adjustment, and geoposition file.

  • Open the Vertical Adjustment tab. 

  • Make sure a geoid file is selected. 

  • The typical file used is NZ Geoid 2016 but always confirm the project datum requirements. 

  • Save the vertical adjustment settings. 

5. Review project settings and save

  • Confirm the units are set to meters. 

  • Check the date and time format and change it if needed. 

  • Add a description if desired. 

  • Click Save. 

  • A star next to the project indicates it is now the active project. 

Screenshot of a computer interface showing a project titled 'NEW ZEALAND NZGD2000 Hawkes Bay 2000' with creation date July 22, 2026, at 14:37:34, and a red heart icon next to it.
Screenshot of a computer interface showing a project titled 'NEW ZEALAND NZGD2000 Hawkes Bay 2000' with creation date July 22, 2026, at 14:37:34, and a red heart icon next to it.

6. Return to the main screen.

Screenshot of a drone control interface showing date as July 2026, with status indicators, guidance modes, and a small yellow drone icon with orange propeller lines in the center.
Screenshot of a drone control interface showing date as July 2026, with status indicators, guidance modes, and a small yellow drone icon with orange propeller lines in the center.

  • Go back to the main screen. 

  • The active project name should now appear at the top of the screen next to the folder symbol.