... Chinese,English,French,German,Italian,Spanish,Portuguese,Japanese,KoreanKEY FUNCTIONPOWER, MENU, +/-, AUTO/EXITAUDIO OUTPUTPOWER2x1W(8Ω)Interface function description: NO.DescriptionNO. ... Description1Inverter interface 6Debugging interface 2Power input7Key board and LED IndicatorConnector3jumper for panel voltage8Earphone input4VGA signal input 9Speaker ...