AMX USB LAN Driver AMXUSBLAN Operation/Reference Manual page 16

Connecting a Touch Panel via USB
FIG. 13 Digital Signature Not Found dialog
The association between driver and device is now complete.
The previous version of the AMX USBLAN driver (used for the MVP and CV7 panels)
showed a USB connection icon in the system tray when a panel was connected. The
new version of the driver does not do this.
10
Each time the same touch panel is connected to the computer the driver is automatically
loaded.
Each time a different touch panel is connected to the computer, the previous procedures will
need to be repeated.
AMXUSBLAN