To change through maps or BirdsEye on the Astro 430 follow these steps
- Start at the main menu
- Scroll to "Setup" and select it
- Scroll to "Map" and select it
- Scroll to " Map info, Select Map" and select it
- You can now scroll through the different maps and Birdseye that have either been loaded on your device or sd card and select which you would like to use.