He disconnected the cable. He held the GP340 in his palm. It was heavier than an iPhone, but its purpose was infinitely more noble. He turned the knob to Zone A, Channel 1. The screen showed: COMMERCIAL | CH 16 . He keyed the Push-to-Talk. The transmit LED glowed red.
Double-check your COM port selection in the software. Ensure your cable drivers are properly installed in Windows. If using a cheap clone cable with a counterfeit Prolific chip, you may need to roll back to an older, compatible driver version to get it working on Windows 10. "Codeplug Version Not Supported"
Once the cable is installed, force it to use COM 1, 2, 3, or 4 (low numbers). Motorola CPS is notoriously picky and often fails to see ports above COM 4. motorola gp340 software
Whether you are using a programming cable
You cannot program the radio via software alone; you need a physical link between the radio and your computer: Programming Cable: He disconnected the cable
Enter specific VHF or UHF frequencies into the radio's 16 available channels.
Customize the side buttons and top button to activate features like scan, monitor, emergency, or high/low power. He turned the knob to Zone A, Channel 1
Configures PL (Private Line), DPL (Digital Private Line), and 5-Tone selective calling.
I can provide specific driver workarounds or help you calculate your channel configurations. Share public link
Once the Motorola GP340 software is running, here is how to program standard channels.