Agilent Technologies Infiniium 8000A, Programmer'S Reference Manual

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30-49
Waveform Commands
PREamble
Table 30-1 Waveform Preamble Elements
Element Description
Format The format value describes the data transmission mode for waveform data
output. This command controls how the data is formatted when it is sent
from the oscilloscope. (See :WAVeform:FORMat.)
Type This value describes how the waveform was acquired.
(See also the :WAVeform:TYPE? query.)
Points The number of data points or data pairs contained in the waveform data.
(See :ACQuire:POINts.)
Count or Segments For the AVERAGE waveform type, the count value is the minimum count or
fewest number of hits for all time buckets. This value may be less than or
equal to the value requested with the :ACQuire:AVERage:COUNt command.
For NORMAL, RAW, INTERPOLATE, and VERSUS waveform types, this value
is 0 or 1. The count value is ignored when it is sent to the oscilloscope in the
preamble. (See :WAVeform:TYPE and :ACQuire:COUNt.)
Segments is used instead of Count when the data is acquired using the
Segmented memory acquisition mode. This number is the total number of
segments that were acquired.
X Increment The X increment is the duration between data points on the X axis.
For time domain waveforms, this is the time between points.
(See the :WAVeform:XINCrement? query.)
X Origin The X origin is the X-axis value of the first data point in the data record.
For time domain waveforms, it is the time of the first point. This value is
treated as a double precision 64-bit floating point number.
(See the :WAVeform:XORigin? query.)
X Reference The X reference is the data point associated with the X origin. It is at this
data point that the X origin is defined. In this oscilloscope, the value is
always zero. (See the :WAVeform:XREFerence? query.)
Y Increment The Y increment is the duration between Y-axis levels. For voltage
waveforms, it is the voltage corresponding to one level.
(See the :WAVeform:YINCrement? query.)
Y Origin The Y origin is the Y-axis value at level zero. For voltage waveforms, it is the
voltage at level zero. (See the :WAVeform:YORigin? query.)
Y Reference The Y reference is the level associated with the Y origin. It is at this level
that the Y origin is defined. In this oscilloscope, this value is always zero.
(See the :WAVeform:YREFerence? query.)
Coupling The input coupling of the waveform. The coupling value is ignored when
sent to the oscilloscope in the preamble. (See the :WAVeform:COUPling?
query.)
X Display Range The X display range is the X-axis duration of the waveform that is displayed.
For time domain waveforms, it is the duration of time across the display.
(See the :WAVeform:XRANge? query.)