The most common reason for a "Communication Error" is an incorrect COM port setting. Plug your cable into the PC. Open .
In CE86, click the (the radio-to-PC icon) first. vertex vx351 programming software work
Never program a radio with a low battery. If the radio dies mid-transfer, it can "brick" the unit. The most common reason for a "Communication Error"
Look under to see which number is assigned (e.g., COM3). vertex vx351 programming software work