National Instruments Data Acquisition Device NI USB-621x User Manual page 23

Chapter 1 Getting Started
NI USB-621x User Manual
3. Remove the USB cable from the connector on the USB-621x.
4. Screw a #8 or M4 screw into the bottom point on the panel.
5. Set the USB-621x on the screw by fitting it into the bottom screw notch
on the underside of the USB-621x.
6. Screw a #8 or M4 screw through the USB-621x top screw hole into the
panel.
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