Troubleshooting DL7400 Digital Oscilloscope USB Communication Error Using LabVIEW
Resources:
When communicating or controlling the DL7400 Digital Oscilloscope via USB in LabVIEW, you must use the USB driver files provided by NI-VISA (Version 3.0 or later). The Yokogawa USB driver files labeled YKUSB or YKMUSB can be used when LabVIEW is not used to communicate with the instrument.
In case both driver files are installed, you will need to update to driver file in Windows Device Manager. Please refer to the attached document file for the procedures for updating the USB driver file.
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