Figure 2.1:Unplug Or Eject Hardware Dialog; Figure 2.2:Stop A Hardware Device Dialog Box - Advantech 48/24-Channel Digital Input/Output USB Module USB-4751/4751L User Manual

Figure 2.1: Unplug or Eject Hardware Dialog
Step3: Select "Advantech USB-4751/L Device" and press "Stop" Button.
Figure 2.2: Stop a Hardware device dialog box
Step4: Unplug your USB device from the USB port.
Note: Please make sure that you have closed the application
before unplugging the USB device, otherwise unex-
pected system error or damage may occur.
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