29UI & Sound SettingThe user can change the background display, language, time, andsound .Display SettingTo change the display, date, ortime, select “UI&Sound” ->“Display”LanguagePress the “Language” button to sel-ect the language displayed on thescreen. The NAC-5000 supportsKorean, English, Portuguese,Brazilian, Spanish, French,Indonesian.LCD Brightness(will be available)LCD brightness can be setbetween 0 and 100. The defaultvalue is 50. By moving his fingerright or left on the slider, the usercan select the brightness.