If you see “Radio not responding,” it’s 90% a driver issue, not the software. Install the cable’s drivers before opening the CPS.

Program 2-Tone, 5-Tone, or DTMF signaling for selective calling, emergency alarms, and paging functions.

Some radio enthusiast forums (like RadioReference or BatLabs) host clean copies of . Ensure the file name matches HYT_TC-780_CPS_v7.1.03.zip and scan every downloaded .exe via VirusTotal before opening.