How to Enable or Disable the 3D ICU Environment

Disable 3D ICU (Turn OFF)

1. Close the CALS / simulation software completely.
2. Open File Explorer.
3. Click the address bar at the top, type %localappdata%\cals, and press Enter.
4. Locate the file named: ComputerName - OpeningScreen.ini (ComputerName is the Windows computer name).
5. Right-click the file and select Open with → Notepad.
6. In Notepad, find the section labeled [Misc]. (Tip: Press Ctrl + F and search for 'Misc').
7. Under the [Misc] section, find the line for 3D ICU.
8. Set the value to: 3D ICU = FALSE
9. Click File → Save.
10. Restart the software.

Enable 3D ICU (Turn ON)

Follow the same steps above, but under the [Misc] section set:

3D ICU = TRUE

Save the file and restart the software.

Troubleshooting Tips

• If the 3D ICU line does not exist, add it manually under the [Misc] section.
• If the file will not save, right-click the file → Properties → uncheck Read-only → Apply.
• Alternatively, open Notepad as Administrator and then edit the file.