DSO751SV 1.8432MHZ DSO751SV 10.000MHZ DSO751SV 100.000MHZ DSO751SV 12.288MHz DSO751SV 13.500MHz DSO751SV 16.000MHZ DSO751SV 20.048MHz DSO751SV 27.000MHZ DSO751SV 3.2768MHz DSO751SV 3.6864MHZ