: Sites like Atlantic Radio offer the software for purchase, sometimes including 12 months of updates.

CHIRP is an open-source radio programming tool. As of the latest stable build, TC-320 support is experimental and not fully featured. You can attempt to use the "Hytera" or "Baofeng" driver sets, but results are inconsistent.

The HYT TC-320 is a popular two-way radio model used by various organizations and individuals for communication purposes. To customize and optimize the performance of this device, users can utilize the HYT TC-320 programming software. This software allows users to modify settings, configure channels, and adjust various parameters to suit their specific needs.

Ensure the radio is turned ON . Also, check that the cable is pushed firmly into the Mini-USB port; some protective cases or dust covers can prevent a flush connection.