Plug your programming cable into the computer without the radio attached. Install the USB-to-Serial driver (FTDI or Prolific). Restart your computer if prompted.
Your radio uses a K-type (Kenwood-style) 2-pin connector. This cable usually contains a Prolific PL-2303 chipset. For reliable operation, especially on Windows 10 or 11, you must install the correct driver before plugging in the cable. Download the latest driver directly from the Prolific website for compatibility. puxing px-777 programming software download
: Ensure you selected the correct model version. The PX-777 comes in distinct UHF (400-470 MHz) and VHF (136-174 MHz) models. Trying to write a VHF frequency to a UHF radio will trigger an error. Plug your programming cable into the computer without
: Look at the top menu bar for a language menu (often designated as "Language" or "语言") and switch it back to English. Your radio uses a K-type (Kenwood-style) 2-pin connector
Tip: FTDI chip-based cables are highly recommended as they tend to work flawlessly with modern Windows drivers, avoiding the "Prolific Driver" issues.
By following this guide, you can choose the best programming method for your needs. For most users, starting with CHIRP is the ideal first step.