You need the specific HYT TC-265 Customer Programming Software (CPS).
Once the software displays a "Write Successful" alert, the radio will typically beep and restart automatically.
This manages your CTCSS (Analog) or DCS (Digital) privacy tones. It filters out unwanted chatter from other groups using the same frequency. hyt tc 265 programming software
Click on the menu and select Read from Radio (or click the corresponding "Read" icon on the toolbar).
Acquiring the correct software for the HYT TC-265 can be a common hurdle for users. Because the TC-265 is an older analog model, the software is not typically available for direct public download from the manufacturer's website. You need the specific HYT TC-265 Customer Programming
This usually stems from using an outdated or incorrect driver, especially on newer 64-bit versions of Windows 10 or 11. Older Prolific PL2303 drivers are known to have issues. Ensure you are downloading the very latest driver from the chip manufacturer's website or the cable vendor's support page.
Roll back the Prolific/FTDI driver to an older, compatible version (e.g., version 3.2.0.0 for older Prolific chips) or install certified manufacturers' drivers. Low radio battery voltage. It filters out unwanted chatter from other groups
After modifying your frequencies and settings, you must write the new profile to the hardware:
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If you need help identifying which software version is correct for your specific model, please provide the exact model number. HYT TC-265/TC-365 - Radioworld UK