Asynchronous control
Compared with synchronized control system, asynchronous control system is just the opposite.
It does not need a computer to work with the screens all the time because the sending card which has memory function.
Usually it will be put in the cabinet and you can send program to the sending card with computer via ethernet cable, 3G, wifi, USB thumb drive.
It will be “uploaded” into the memory of the sending card.
After that the program will be transferred to the receiving card and lastly the screens will broadcast the program automatically.
In most cases, we recommend our customers choose the wifi router ( Within 10 meters ), to replace the ethernet cable with wireless signal, so that you get the greatest convenience to program the led display.
And for 4G/3G option, there is no distance limited, you could change the content on your screen in any place of the world as long as it has the internet.
Please note that, there is the maximum resolution load capacity for asynchronous control way, it must below 23,00,000 pixels.