This means the software cannot talk to the cable. Check Device Manager to verify the COM port number, verify the cable is pushed completely into the radio jack, and ensure the radio is powered on.
Always backup your current configuration before making changes. Click the icon or go to Program > Read from Radio . Wait for the progress bar to complete. Hyt Tc-508 Programming Software Free Download
The HYT TC-508 comes in specific frequency bands (typically VHF 136-174 MHz or UHF 400-470 MHz). The software will reject any frequency entry that falls outside the hardware limits of your specific radio model. To help you get your radio set up correctly, let me know: What operating system is your computer running? This means the software cannot talk to the cable
What (e.g., Windows 10, Windows 11) are you using? Have you already purchased a programming cable ? Click the icon or go to Program > Read from Radio