3716.9 BacklightThe backlight can be confi gured for each operatingmode (Operation Mode, Standby Mode, Slumber Mode)separately.• Proceed as follows:[ ]System settingsBacklight• For the operation modes Operation Modeand Slumber mode, select between variousbrightness levels.• For Standby Mode, you may also choose abrightness level for the backlight when the radiois in standby (Standby Level). Alternatively, youcan set the backlight to turn off completely instandby (Standby Level Off).• Choose a time interval for Timeout. When theradio is in standby, press to illuminate thedisplay at the brightness level set for thatoperating mode for the selected interval of time.• Alternatively, you can disable this feature(Timeout Off).Alternatively, press [ ] on the remote control to directlyadjust the backlight setting for the current operating mode.16.10 AUX: Auto-StandbyIn Aux in (Auxiliary Input) operating mode, theradio switches to standby mode after 15 minutes,by default. To disable (NO) or activate (YES) thisfeature, proceed as follows:[ ]System settingsAUX: Auto-Standby17. UNDOK – everything in the palm of your handThe UNDOK app, developed by Frontier Silicon, gives youfull control of radios and speakers from your smartphone.Whether you are setting up the device for the first time,specifying settings for the equaliser and multi-room, ormanaging your favourite stations – the UNDOK app letsyou access all the features from your smartphone or tablet,thereby offering you greater convenience.