Registration: Click this options to subscribe and unlock all functions. If you choose to unsubscribe you can do that from your Google App Store account settings.
Detector Models: Click this to setup any detector models that you want available in the edit find screen. You can update this list as needed.
Detector Coils: Click on this setting to setup any coils that you want available in the edit find screen. You can update this as needed.
Depth Units: Change the depth units from metric to imperial.
Weight Units: Change the weight units from metric to imperial.
Device Info: Account ID - This is the account that the subscription and finds are linked to. Internet Status - Use this to see if you have internet access as its is required for some functions. (Subscriptions, Maps) Relic Hunter Info - Here you will find the installed version info.