Changing the cDAQ9138/9 "USER1" LED status using C#/DAQmx

I need to be able to change the status of the USER1 LED on a cDAQ9139 chassis from my VS2010 C# application code. Can anyone point me in the direction of the DAQmx class/property/method I need to use?
Thanks,
Malcolm Sharp
Solved!
Go to Solution.

Hi Malcolm,
Taking a look into this it looks like unfortunately the USER1 led is only available for access from the Real-time operating systems. There is no access to it available from the DAQmx driver, when running windows on the cdaq.
Best Regards,
Applications Engineer

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