7 STEPS
1. The first step is to open Magos MASS URL and click on Menu
2. Click on Configuration
3. Click on Map
4. Scroll to the Custom Map Section and click Select File...
5. Once the selected zip file is chosen ({filename}.overlay.zip), click Upload
6. Once the upload in finished, Click OK
7. That's it. You're done.
Here's an interactive tutorial
https://www.iorad.com/player/2622049/How-to-upload-an-overlay-to-MASS
Next step
