Verify the COM port number in Device Manager matches the selection in the CPS settings.
For individual users or small businesses that lack the time or technical inclination to assemble all the necessary components, taking your radios to a professional two-way radio dealer for programming remains a simple, cost-effective alternative that eliminates virtually all the complexity and legal concerns.
Configure Private Line™ (PL) and 5-Tone selective signalling for private calls. motorola gp340 software
The —specifically the Professional Radio CPS —is a powerful but finicky tool. Its age means it requires patience, an older operating system environment, and a genuine programming cable to work correctly. While the software can be difficult to source and install, mastering it allows you to customize one of the most reliable analog radios ever made.
Connect your GP340 to the PC with the programming cable. Turn the radio on. In the CPS, click Read (or press F3). The software will download the current codeplug from the radio. Always save this original file (File > Save As) before making changes. Verify the COM port number in Device Manager
Motorola GP340 Customer Programming Software (CPS) —specifically version
This happens on modern 64-bit operating systems. Right-click the CPS desktop shortcut, select , go to the Compatibility tab, check "Run this program in compatibility mode for," and select Windows 7 . Also check "Run this program as an administrator." "Radio Not Supported" or "Unsupported Model" The —specifically the Professional Radio CPS —is a
Contact a Motorola Solutions channel partner. They may provide the CPS for a fee (typically $200–$400 USD) or include it as part of a service contract. For hobbyists, second-hand software is common, but you accept the risks of malware or bricked radios.
Assign functions to the short-press and long-press actions of the side keys.
Unlike older Motorola radio software that ran on MS-DOS, the GP340 CPS is a true Windows application, making it far more user-friendly for those with modern computers.