Run the PX-777 setup file or open CHIRP.
When searching for a download, users often encounter multiple similarly named files. Careful matching of software version, driver package, and cable type (e.g., USB‑TTL vs. Prolific/FTDI chipset) is essential. puxing px-777 programming software download
Includes dedicated technical support and guaranteed driver compatibility. Run the PX-777 setup file or open CHIRP
Once installed, go to Windows Device Manager > Ports (COM & LPT) . Your cable will appear as USB-Serial Controller (COM3) . Set the port number to COM1-COM4 (the PX-777 software rarely detects ports above COM4). and cable type (e.g.
💡 : If you face connection issues, ensure the 2-pin plug is pushed completely into the radio. Sometimes the plastic casing of the cable is too thick and needs a firm push to seat properly.