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Appendix D: Programming Example
The following series of commands and q ueries illustrate many of the most
common commands and techniques. In this example, data sent from the controller
computer to the oscilloscope is prefaced with the > symbol. Replies from the
oscilloscope have no preface.
> rem “Check for any messages, and clear them from the queue.”
>*esr?
128
> allev?
:ALLEV 401,”Power on; “
> rem “Set the scope to the default stat e.”
> factory
> rem “Set the scope parameters that differ from the defaults.”
> ch1:scale 2.0
> hor:m:scale 100e-6
> trig:a:level 2.4
> rem “Start a single sequence acquisition.”
> acquire:stopafter sequence
> acquire:state on
> rem “Wait for the acquisition to complete.”
> rem “Note: your controller program time-out must be set long enough to handle
the wait.”
> *opc?
1
> rem “Use the oscilloscope built-in measurements to measure the waveform
you acquired.”
> measu:immed:type mean
> measu:immed:value?
:MEASUREMENT:IMMED:VALUE 1.2767
MSO4000 and DPO4000 Series Programmer Manual D-1