ENGLISH25SYSTEM AND UPGRADEBluOS is a music management software developed by NAD’s sister brand,Bluesound. BluOS adds BluOS network and internet music streaming withadvanced music management to the T 778.Download the BluOS Controller App from the respective App stores ofApple iOS devices (iPad, iPhone and iPod), Android devices, Kindle Fire andWindows or Mac desktops.Launch the BluOS Controller App and explore everything from yourstreaming music services, internet radio stations, networked musiccollections and favorites with quick and easy single-search discovery.The following options are available at System and Upgrade menu• BluOS Upgrade• BluOS Factory Reset• System Factory ResetBluOS UPGRADESelect “BluOS Upgrade” to initiate BluOS upgrade mode. At BluOS Upgrademenu, select “Start Upgrade” to start BluOS upgrade process. Follow thedisplay screen prompt to complete the upgrade procedure.BluOS FACTORY RESETSelect “BluOS Factory Reset” to initiate restoring BluOS to its factory defaultsettings. At BluOS Factory Reset menu, select “Factory Reset” to start factoryreset process.SYSTEM FACTORY RESETSelect “System Factory Reset” to initiate restoring T 778 (except BluOS) toits factory default settings. At System Factory Reset menu, select “FactoryReset” to start factory reset process.IMPORTANTRestoring BluOS or System to factory default settings will delete allapplicable configured or saved settings.SELECT LANGUAGE“Select Language” allows the selection of language the OSD is presented.There are two language choices – English and Chinese.MASTER QUALITY AUTHENTICATEDMaster Quality Authenticated(MQA) is a revolutionary end-to-endtechnology built into T 778 thatcaptures and delivers master qualityaudio. T 778 includes a powerfuldecoder and audio renderer for the MQA system. This ensures that MQA-encoded audio files sound exactly like the source.In the BluOS app, the MQA indicator displays green or blue to indicate thatthe unit is decoding and playing an MQA file. It displays green to indicatedecoding and playback of a MQA file and denotes provenance to ensurethat the sound is identical to that of the source material. It displays blue toindicate playback of MQA Studio file that has either been approved in thestudio by the artist/ producer or has been verified by the copyright owner.IMPORTANTWhen listening to MQA audio files, set the following options for optimalperformance• Setup Menu $ Listening Mode Setup $ Listening Modes $ PCM $Stereo/Surround $ None• Main Menu $ Tone Controls $ Tone Defeat $ OnMQA® is a trademark of MQA Limited.OPERATIONCONFIGURING T 778 - SETUP MENU VIA ON-SCREEEN DISPLAYGreen Indicator - Original MQA file Blue Indicator - MQA Studio file