Agilent Technologies InfiniiVision 3000 X-Series - Page 1150

1150 Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide
40 Programming Examples
On Error GoTo VisaComError
' Use auto-scale to automatically configure oscilloscope.
' -----------------------------------------------------------------
DoCommand ":AUToscale"
' Set trigger mode (EDGE, PULSe, PATTern, etc., and input source.
DoCommand ":TRIGger:MODE EDGE"
Debug.Print "Trigger mode: " + _
DoQueryString(":TRIGger:MODE?")
' Set EDGE trigger parameters.
DoCommand ":TRIGger:EDGE:SOURCe CHANnel1"
Debug.Print "Trigger edge source: " + _
DoQueryString(":TRIGger:EDGE:SOURce?")
DoCommand ":TRIGger:EDGE:LEVel 1.5"
Debug.Print "Trigger edge level: " + _
DoQueryString(":TRIGger:EDGE:LEVel?")
DoCommand ":TRIGger:EDGE:SLOPe POSitive"
Debug.Print "Trigger edge slope: " + _
DoQueryString(":TRIGger:EDGE:SLOPe?")
' Save oscilloscope configuration.
' -----------------------------------------------------------------
varQueryResult = DoQueryIEEEBlock_UI1(":SYSTem:SETup?")
' Output setup string to a file:
Dim strPath As String
strPath = "c:\scope\config\setup.dat"
Dim hFile As Long
hFile = FreeFile
Open strPath For Binary Access Write Lock Write As hFile
Put hFile, , varQueryResult ' Write data.
Close hFile ' Close file.
Debug.Print "Setup bytes saved: " + CStr(LenB(varQueryResult))
' Change settings with individual commands:
' -----------------------------------------------------------------
' Set vertical scale and offset.
DoCommand ":CHANnel1:SCALe 0.05"
Debug.Print "Channel 1 vertical scale: " + _
DoQueryString(":CHANnel1:SCALe?")
DoCommand ":CHANnel1:OFFSet -1.5"
Debug.Print "Channel 1 vertical offset: " + _
DoQueryString(":CHANnel1:OFFSet?")
' Set horizontal scale and offset.
DoCommand ":TIMebase:SCALe 0.0002"
Debug.Print "Timebase scale:"+_
DoQueryString(":TIMebase:SCALe?")
DoCommand ":TIMebase:POSition 0.0"
Debug.Print "Timebase position: " + _