Modified item: 1. Add the support of RIGOL-MSO/DS4000 series to DSO Connection function. Before modified: The DSO Connection function don't support RIGOL-MSO/DS4000 series. After modified: Add the support of RIGOL-MSO/DS4000 series to DSO Connection function. LAP-F1-40 【DOWNLOAD】 LAP-F1-64 【DOWNLOAD】