Command Groups
TDS200, TDS1000/2000, TDS1000B/2000B, TPS2000 Programmer
2-43
NOTE. The oscilloscope stores waveforms that are ≤2500 data points
long. The oscilloscope truncates waveforms longer than 2500 data
points.
Waveform Preamble
Each waveform that is transferred has an associated waveform
preamble that contains information such as the horizontal scale,
vertical scale, and other settings in place when the waveform was
created. Refer to the WFMPre commands on page 2--244 for more
information about the waveform preamble .
Scaling Waveform Data
Once you transfer the waveform data to the controller, you can
convert the data points into voltage values for analysis using
information from the waveform preamble.
Transferring Waveform Data
Data transfer times depend on data format, data width, and the speed
of the controller. Refer to Programming Examples on page 4--1.
From the Oscilloscope. To transfer waveforms from the oscilloscope to
an external controller, follow these steps:
1. Use the DATa:SOUrce command to select the waveform source.
2. Use the DATa:ENCdg command to specify the waveform data
format.
3. Use the DATa:WIDth command to specify the number of bytes
per data point.
4. Use the DATa:STARt and DATa:STOP commands to specify the
portion of the waveform that you want to transfer.
5. Use the WFMPRe? command to transfer waveform preamble
information.
6. Use the CURVe? command to transfer waveform data.
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