If you restart the software and the last used sensor is
connected to the computer and the Auto Start option is
activated ► Preferences/ Options the connection will be
made automatically (without sensor selection window).
If this option is deactivated, you must select the
corresponding device in [Menu: Device\ Scan Devices]
and press the Select button.
The button Disconnect in [Menu: Device] breaks the
connection to the sensor and closes the COM port.