Encore electronic ENNUS1 - Manual (Page 11)

C. When the installation program asks you to plug-in the USB device, run the
“Control Center”.
D. In the Control Center, click the ENNUS1 server that has the desired USB device
attached.
E. Click the desired USB device as in the following figure.
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F. Click the “Connect” button. Then the message “Manually Connect by
your_computer_name” will appear, as in the following figure.
G. Now, the installation program will detect the USB device and continue to install
the driver.
H. After the installation is complete, click the USB device in the Control Center and
then click the “Disconnect” button to disconnect the USB device.
Now the driver of your USB device is installed.