Digital Multimeters (DMMs) and Precision DC Sources

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Problem with Instrument I/O Assistant

I am trying to interface with my HP34401a multimeter using the Instrument I/O Assistant. I am able to select the instrument, query and parse it for a voltage via the GPIB bus (MEAS:VOLT:DC?), autoparse it to get the voltage and rename the output to "Voltage" (instead of the default "Token"). However, the output does not show up in the block diagram. (The Assistant doesn't build itself.)
I performed a similar operation using the DAQ assistant, and there it worked, so I don't think that I am doing anything wrong.
I downloaded the example code Instrument_IO_Assistant.llb from this website, and as soon as I double-clicked on the assistant and closed it again, the outputs became invalid inputs.
Could it be a problem with the
installation? Is it a known bug? Am I skipping something?
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Hello,
If the regional settings for your computer are not in English, French, German, or Japanese; try changing the regional settings to English. If the I/O assistant works after the change, that means you need to install the August Driver CD. Contact your NI sales rep for a copy.
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