Plug the programming cable into your PC and the GM360 microphone port.
The interface of the GM360 CPS is utilitarian and menu-driven, typical of Motorola’s era. When you open a codeplug (the file containing the radio's settings), you are presented with a tree-view structure: motorola gm360 programming software
Ensure your COM port is configured correctly in the software settings (usually found under View -> Options -> Communication Setup ). Plug the programming cable into your PC and
The software reads the data plug (codeplug) from the radio, allows editing of internal parameters, and writes the updated configuration back to the device. Hardware Requirements for Programming The software reads the data plug (codeplug) from
This means your CPS software version is older than the firmware version currently flashed on the radio. You will need to obtain a newer version of the CPS.