In order to configure the A2A C172 to use the Mindstar GNS, you have to follow the steps below.
1. You much first ensure that you have the latest update to A2A that includes providing their Airplane Configuration tool. Download and run the following executable.
2. Next, locate and run the A2A C172 Aircraft Configurator
Note: You most likely will need to go directly to the application file within Windows Explorer and right click and select "Run As Administrator" otherwise the program will not have the necessary permission to write out it's configuration files.
3. Next, click on the GPS button
4. Next, select the Mindstar GPS unit