Motorola Gm339 Programming Software !free! -

The GM339 supports up to 255 channels, but they must be organized into . Add your personalities to a Zone to make them accessible via the radio’s front panel menu. 5. Writing to the Radio

The radio will emit a confirmation chirp and reboot automatically once writing is successful. 3. Key Configurable Features in CPS

Unlike modern radios that may use standard USB-to-USB connections, the GM339 requires a specialized interface:

Professional Radio CPS (Customer Programming Software) motorola gm339 programming software

Assign functions to short presses and long presses of the buttons (e.g., Monitor, Scan On/Off, Power Level, Repeater/Talkaround). 5. Writing to the Radio

: Connect the USB cable to your PC. Ensure the correct FTDI drivers are installed so the cable appears as a "USB Serial Port" in your Device Manager.

Once you have the software and cable, the general workflow follows these steps: The GM339 supports up to 255 channels, but

: Before connecting the cable to your computer, install the necessary drivers. These are often provided on a CD or can be downloaded from the manufacturer's website. Once installed, plug in the cable. Your computer should detect it and assign it a COM port number (e.g., COM3). You can verify this by opening Device Manager and looking under "Ports (COM & LPT)".

The GM339 features an alpha-numeric display that supports up to 255 channels. You organize these channels into "Zones" for easier navigation via the front panel buttons.

Launch the CPS and select "Read Device" to pull the current configuration (codeplug) from the radio. Configure Settings: Writing to the Radio The radio will emit

Click the icon on the top toolbar, or go to Device > Read . Wait for the progress bar to finish completely. Once the data loads, immediately click File > Save As .

Using the Motorola GM339 programming software offers several benefits, including:

Always ensure your CPS version is equal to or newer than the firmware version currently flashed onto your radio. If your radio has newer firmware than the software, the CPS will throw an "Unsupported Radio Model" or "Codeplug Version Mis-match" error. Required Hardware Tools