TASCAM US-2x2/US-4x4 93 – Installation• Changing the Gatekeeper settingThe Gatekeeper setting can be changed using the “Allowapplications downloaded from:” item on the “General” pageof the “Security & Privacy” pane of the System Preferences.To change this, you must click the lock icon ( ) at the bottomleft and enter a password to unlock the settings.This setting will lock again when you click the “Show All”button at the top left of the window to close the open paneor when you quit the System Preferences by, for example,clicking the round button at the top left corner of thewindow ( ) or typing command-Q.CAUTIONChanging the Gatekeeper settings could result in securityrisks.If you changed the Gatekeeper setting to decrease security(use one of the lower settings), set it back to the originalsetting after updating the software and/or firmware. (Wheninstalling a firmware update immediately after software, dothis after installing the firmware update.)Uninstalling the dedicated softwareNOTENormally, there is no need to uninstall the dedicatedsoftware. Follow these procedures if a problem occurs oryou no longer intend to use the unit with the computer.Uninstalling the dedicated driver forWindows1. Double-click the “US-2x2_US-4x4_Installer.exe” file usedfor installation. When a “Security Warning” or “User AccountControl” screen appears, click the “Run” or “Yes” button.2. Click the “Next” button when the screen below appears.3. When the “Program Maintenance” screen opens, select“Remove” and click the “Next” button.4. When the “Remove that Program” screen opens, click the“Remove” button.5. The following screen appears when uninstallation hascompleted.Click the “Finish” button.Uninstalling the Mac Settings PanelDelete “US-2x2_US-4x4_Settings Panel” from the Applicationsfolder to complete uninstallation.