Which Comm. Port should be selected in the software Guard Tour Utility (USB type)

The driver has to be installed in your computer first. Once GS1100 is connected with your computer, go to [Control Panel]\ [System]\ [Hardware]\ [Device Manager]\ [Ports (COM & LPT)], you will see “Prolific USB-to-Serial Comm Port (COM number)” showing as the picture below. If it shows “Prolific USB-to-Serial Comm Port (COM 3)”, for example, set “Comm. Port” to COM 3 in the software.


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