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[[File:aprsx1c50000003.gif]]Program the tracker with the software. The software is Microsoft Windows only requiring .NET 4. Software settings# Power on the tracker.# Connect the USB cable between tracker and computer.# Install USB driver – CH341 chip and find the correct COM port.# Use APRS 51Series Setup(version number).exe to program the tracker.[[File:aprsx1c50000004.gif]]