![](//vs1.manuzoid.com/store/data-gzf/da77d8ab49fb771335491a8da97b5a69/2/000990743.htmlex.zip/bg1.jpg)
1. Connect RS232 programming port; it is a DB9 female connector to PC.
2. Plug in the 110V /AC or 220V/AC. The power range for LED sign is from 110V/AC to
240V/AC.
3. Running the programming software; “LED Sign Programmer”.
4. Selecting the frequency range