How to set and test a USB keypad device in VISA Raw mode

I can setup a simplified USB keypad device using NI-VISA Raw mode but I can't seem to read interupt data from the device. Basically, I want to be able to push a button on the USB keypad device and then read the output hex code using LabVIEW. Do I have to further configure my device through NI-VISA in order to read the device output?

This example shows how to get the interrupt from your USB device.
InterruptUSB.vi
Let me know if this helps!
Shawn B.
National Instruments
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How to set and test a USB keypad device in VISA Raw mode

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