63INSTALLATION AND OPERATION MANUAL 25-16327-B November 2020 www.eaton.comSection 3: Panel controls & indicatorsProgramming I/O and sounders T1/T2To activate the touch screen, touch the top left corner of the screen until the screenilluminates To enter the supervisor mode touch the supervisor button and enter theservice passcodeEnter the Service Mode and Select ConfigureSelect “ProgrammingI/O and Sounders”from the ConfigureMenu ScreenThen press T1/T2ServiceFRE offCommissionTestConfigureResetExit MuteBuzzerServiceFRE off ResetExitExitChange Date/TimeChange TextConfigure ZonesChange PasscodeItalian ModeServiceFRE off ResetMuteBuzzerProgramming I/Oand Sounders Add/DeleteConfigure Heat DetectorsNetworkLanguageDay/NightNetwork ProtocolAuxillary BoardFRE impedance bandHMOSounder toneSound Settings T1/T2Alarm Verification FeatureFRE double-knock OverrideSelect “ProgrammingI/O and Sounders”from the configuremenu screen.