Open Windows Device Manager, expand "Ports (COM & LPT)", note the active COM port number, and match it inside the software communication settings. Incorrect Scan Mode or Hub configuration selected.

The software is designed for both basic text entry and advanced visual customization: Data Input

: Use the software's preview function to see how the content will look on the sign before sending it.

If you're interested in learning more about Amplus LED Display Software or want to get started with a free trial, here are some steps to take: