Optimizing the Motorola GM3688: A Guide to Programming Software
You cannot use a standard USB cable. You need an or a "RIB-less" cable specifically designed for the Motorola Professional series.
The GM3688 shares its platform with other popular models including the GM3188, GM338, GM398, and the PM400. Consequently, the same CPS software works across all these radios.
To change channels, adjust power levels, or set up selective calling, you need the correct .