How to conduct a Master Reset on your Garmin Astro 430
To perform a Master Reset on your Garmin Astro 430 please follow these steps
- Start with your Astro 430 switch OFF
- Press and hold down the Map and Enter buttons simultaneously and press and release the Power Button
- Continue to hold down Map and Enter until you see a screen come up that asks: "Do You Really Want To Erase All User Data?"
- Select YES and your device will reboot, you can now remove your fingers from Map and Enter.