PanelNinja allows you to save two key settings:
1. Your preferred default panel layout
2. The IP address of your preferred Infinite Flight device
You can access the settings screen by selecting Settings in the top right corner of the window. You will only be able to see this button and access the settings when PanelNinja is not connected to Infinite Flight, so disconnect from your flight first.
This is the settings screen:
Just select your preferred panel layout and enter you Infinite Flight device's IP address and click on Save. Once you do that, every time you launch PanelNinja, the main connection screen will be pre-populated with these values: