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Getting Started | 2 |
The following program example shows a typical setup:
myScope.WriteString ":ACQUIRE:TYPE AVERAGE" myScope.WriteString ":ACQUIRE:COMPLETE 100" myScope.WriteString ":ACQUIRE:COUNT 8" myScope.WriteString ":DIGITIZE CHANNEL1" myScope.WriteString ":WAVEFORM:SOURCE CHANNEL1" myScope.WriteString ":WAVEFORM:FORMAT BYTE" myScope.WriteString ":WAVEFORM:POINTS 500" myScope.WriteString ":WAVEFORM:DATA?"
This setup places the instrument into the averaged mode with eight averages. This means that when the :DIGitize command is received, the command will execute until the signal has been averaged at least eight times.
After receiving the :WAVeform:DATA? query, the instrument will start passing the waveform information.
Digitized waveforms are passed from the instrument to the controller by sending a numerical representation of each digitized point. The format of the numerical representation is controlled with the :WAVeform:FORMat command and may be selected as BYTE, WORD, or ASCii.
The easiest method of transferring a digitized waveform depends on data structures, formatting available and I/O capabilities. You must scale the integers to determine the voltage value of each point. These integers are passed starting with the left most point on the instrument’s display.
For more information, see the waveform subsystem commands and corresponding program code examples in the online Programmer’s Reference.
Aborting a Digitize Operation Over GPIB
When using GPIB, you can abort a digitize operation by sending a Device Clear over the bus (for example, myScope.IO.Clear).
Agilent 6000 Series Oscilloscopes Programmer’s Quick Start Guide | 23 |