Set frequency pairs (RX/TX) for customized communication.

Before opening the CPS, install the driver for your programming cable (Prolific or CH340 are common). Without this, the software will show a "Communication Error." Step 2: Install the CPS Software

: Open the software, select the correct COM Port in the settings, and click "Read from Radio" to begin editing.

This usually means the driver isn't installed correctly or the wrong COM port is selected in the software settings. Check your PC’s "Device Manager" to see which port the cable is using.

: A dedicated USB programming cable (model C9018A) is required to connect the radio to your PC.

The CPS allows you to modify parameters that aren't accessible via the radio's hardware buttons:

Locate the (essential for your PC to recognize the cable) and the CPS Software . Download the .zip or .exe files to your desktop. How to Install and Set Up the Software

If you've updated the firmware, ensure you are using the latest version of the CPS software. Restart the software and radio. Frequently Asked Questions

Before downloading Rt15-cps software, ensure that your computer meets the system requirements. These include:

Below, we provide the official download pathway, installation prerequisites, and troubleshooting tips for the RT15-CPS software suite.