Current app state For registered users, the current app state can be saved to the Silverglance server. The data can be restored/synced to any device registered by the user. On the main-page slideout menu, click Settings; on the Settings page click Save state or Restore state The state includes current settings and selected pipe types and all current input data. Registration data is not saved to the server and will not be overwritten when the state is restored. All data is stored uniquely to the registered user and is not available to other users. Custom ducts Custom ducts can be added to the inbuilt ducts used on the Duct List page. For registered users, the current custom ducts can be saved to the Silverglance server. The data can be restored/synced to any device registered by the user. Click Ducts on the main-page slideout menu; on the Custom Ducts page, click Apply ducts, Save ducts or Restore ducts All data is stored uniquely to the registered user and is not available to other users.