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I am trying to use LabVIEW to communicate with My Spectrum Analyzer - E4440a. 
Is there some site where I can learn how to call the instrument, capture data, etc?
I downloaded the driver for E4440a - LabVIEW 8.2 -
I already have states that I have saved on the Spectrum Analyzer. How can I call these files? Is there a SubVI that does that?
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Hi Inky01,
Here is a link to an instrument drivers for your device. This can be found by searching See this link for several tutorials that discuss instrument drivers. Here is a link to the E4440A manual. See chapter 4 for commands that can be sent to the device. Since there is instrument drivers for this device, you won't necessarily need to know these commands to program your device with LabVIEW. The instrument drivers use these commands underneath and have put these commands within subVIs to create VIs to perform each action. I hope this helps!
Missy S.
Project Engineer
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