... C to +45°COperating Humidity20%-80%Display4 LED Indicator TECHNICAL SPECIFICATIONTYPENEC SeriesTerrestrial High Definition Digital ReceiverHDT6510PICTURE FUNCTION* Fully ETS 300 744 & ... HI-FI Stereo Sound System, MPEG-1 Layer Ⅰ&Ⅱ,MPEG-2 Layer Ⅰ&Ⅱ,MPEG-2 AAC,MPEG-4 AAC,DOBLY DIGITAL,* Software Upgrade ... down, Vol up and Vol down,Menu and OK* 4 Digital LED IndicatorREAR PANELYHGD-8D-91-5* 1 ANT INOUT ,1 ...