While powered on, connect the EX-1 to the PC using the USB cable.

Download and open "GnssToolKit3", Change the language to English, then restart the software.

Click "Serialport" - "Port Name" - and select the port where the EX-1 is connected.

Select "View" - "NMEA" to view the received NMEA sentences.

Select "View" - "CN0" to view the signal strength of each received satellite.

Select "View" - "Constellation" to view the current distribution of satellites in the sky.

Select "View" - "Fix" to view the track.