Agilent Technologies InfiniiVision 3000 X-Series Programmer's Manual page 977

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Example Code
Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide
":DIGitize" on page 199
":WAVeform:COUNt" on page 968
":WAVeform:DATA" on page 969
":WAVeform:FORMat"
":WAVeform:POINts" on page 972
":WAVeform:TYPE" on page 986
":WAVeform:XINCrement"
":WAVeform:XORigin"
":WAVeform:XREFerence"
":WAVeform:YINCrement"
":WAVeform:YORigin"
":WAVeform:YREFerence"
' GET_PREAMBLE - The preamble block contains all of the current
' WAVEFORM settings.
' where <preamble_block> is:
' FORMAT : int16 - 0 = BYTE, 1 = WORD, 4 = ASCII.
' TYPE : int16 - 0 = NORMAL, 1 = PEAK DETECT, 2 = AVERAGE
' POINTS : int32 - number of data points transferred.
' COUNT : int32 - 1 and is always 1.
' XINCREMENT : float64 - time difference between data points.
' XORIGIN : float64 - always the first data point in memory.
' XREFERENCE : int32 - specifies the data point associated with
'
' YINCREMENT : float32 - voltage diff between data points.
' YORIGIN : float32 - value is the voltage at center screen.
' YREFERENCE : int32 - specifies the data point where y-origin
'
Dim Preamble()
Dim intFormat As Integer
Dim intType As Integer
Dim lngPoints As Long
Dim lngCount As Long
Dim dblXIncrement As Double
Dim dblXOrigin As Double
Dim lngXReference As Long
Dim sngYIncrement As Single
Dim sngYOrigin As Single
Dim lngYReference As Long
Dim strOutput As String
myScope.WriteString ":WAVEFORM:PREAMBLE?"
Preamble() = myScope.ReadList
intFormat = Preamble(0)
intType = Preamble(1)
lngPoints = Preamble(2)
lngCount = Preamble(3)
dblXIncrement = Preamble(4)
dblXOrigin = Preamble(5)
lngXReference = Preamble(6)
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It is returned in the form <preamble_block><NL>
x-origin.
occurs.
' Read preamble information.
:WAVeform Commands
' Query for the preamble.
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