Arrow Series Technical Reference Manual
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Two drivers will be installed for the Arrow, a “Serial Converter” and a “Serial Port” driver. In
later versions of Windows OS, the COM port number generated for the Arrow during the installation
will be listed on the second line with the Serial Port Driver.
To find the port number assigned to the Arrow, go to your Device Manager and right-click on the “Eos
GNSS Receiver” icon and select “Properties”. On the Properties window, select the “Hardware” tab to
view the COM port assignment (COM12) in the example below.
This COM port is the one your software should use to
communicate with the Arrow. Default baud rate of the
Arrow’s USB port is 19200 but can be changed freely
to higher values using the Eos Utility tool.