56 | KDC-BT73DAB/ KDC-BT53U/ KDC-5057SDDisplay settings11-6. Display & Illumination settingYou can set the display and illumination.1 Press [Control] knob.Enters the Function setting mode.2 Select "DISP&ILLUMI" using [Control] knob.For how to use [Control] knob, refer to <3-3. Howto select the item> (page 13).3 Select a Display & Illumination setting itemusing [Control] knob.Display Description"Display Dimmer" Dims the display part in conjunction with theLight switch of the vehicle."Auto": Dims the display in conjunction withthe Light switch of the vehicle."Manual1": Dims the display constantly."Manual2": Dims the display darker than thatin the Manual1 mode."OFF": Does not dim the display."Contrast" Sets the display contrast."1" – "10" – "30""DISP NEGA/POSI" Switches the panel display between positiveand negative modes."NEGA1": Displays the text in the negativemode."NEGA2": When the interior light is off, thetext is displayed in the negative mode; whenthe interior light is on, the text is displayed inthe positive mode."POSI1": Displays the text in the positivemode."POSI2": When the interior light is off, the textis displayed in the positive mode; when theinterior light is on, the text is displayed in thenegative mode."Text Scroll" Sets the method of scrolling to view hiddentexts."Auto" : Scrolls."Once" : Scrolls once."OFF" : Does not scroll."BT DVC Status"[1] You can display the connection status, signalstrength, and battery level.: Battery level of cell phone.: Signal strength of cell phone."ILLUMI Dimmer" Reduces the key Illumination brightness."Auto": Dims the illumination in conjunctionwith the Light switch of the vehicle."Manual1": Dims the illumination constantly."Manual2": Dims the illumination darker thanthat in the Manual1 mode."OFF": Does not dim the illumination."ILLUMI Effect" Sets whether the key illumination is changedin conjunction with the key operation."ON" / "OFF""ILLUMI MSC SYNC"[1]Sets whether the key illumination color ischanged in conjunction with the soundvolume."ON" / "OFF"(Colored text: Factory setting)[1] Function of KDC-BT73DAB/ KDC-BT53U.4 Select a setting using [Control] knob.Returns to the previous item.Exiting from the Function setting modePress and hold [1/6].