Radio 27If you wish the time and date settingsto be updated automatically, activatethe RDS Auto Time Adjust menu item.If you wish to set time and datemanually, deactivate the RDS AutoTime Adjust menu item.Digital audio broadcastingDigital audio broadcasting (DAB) isan innovative and universalbroadcast system.General information■ DAB stations are indicated by theprogramme name instead of thebroadcasting frequency.■ With DAB, several radioprogrammes (services) can bebroadcasted on a single frequency(ensemble).■ Besides high-quality digital audioservices, DAB is also able totransmit programme-associateddata and a multitude of other dataservices including travel and trafficinformation.■ As long as a given DAB receivercan pick up the signal sent out by abroadcasting station (even if thesignal is very weak), soundreproduction is ensured.■ There is no fading (weakening ofthe sound) that is typical of AM orFM reception. The DAB signal isreproduced at a constant volume.■ Interference caused by stationsthat are on nearby frequencies (aphenomenon that is typical of AMand FM reception) does not occurwith DAB.If the DAB signal is too weak to bepicked up by the receiver, thesystem switches over to the sameprogramme on another DAB or FMstation.■ If the DAB signal is reflected bynatural obstacles or buildings, thereception quality of DAB isimproved, whereas AM or FMreception is considerably impairedin such cases.■ When DAB reception is enabled,the FM tuner of the Infotainmentsystem remains active in thebackground and continuallysearches for the best receivable FMstations. If TP 3 25 is activated,traffic announcements of the FMstation which is currently bestreceived are issued. Deactivate TP,if DAB reception should not beinterrupted by FM trafficannouncements.DAB announcementsBesides their music programmes, lotsof DAB stations also broadcastannouncements of variouscategories.When in the DAB main menu, pressthe multifunction knob to open theDAB menu and then selectAnnouncements.If you activate some or all categories,the currently received DAB service isinterrupted when an announcementof these categories is made.Activate the desired categories.