... LED DISPLAY MODULE CONTROLLER 1.with COM,USB,LAN ports ; 2.with 2cpu and FPGA; 3.support any lanuage ; LED DISPLAY MODULE CONTROLLER ... ;Community, school Information Cluster Mass-sending System;LED DISPLAY MODULE CONTROLLER LS-D3(ALL) parameters Item No.LS-D3( ... test button, switchPlayerLED Player 3.2LED DISPLAY MODULE CONTROLLER Software for LS-D3(LAN,USB,RS232) Edit static text, single-line text ...