... a special character.Product featuressupport U-disk to update the display content, support hot plug, convenient and quick;ApplicationsBanking, telecommunications ... -sending System;led display control card LS-D3(ALL) parameters Item No.LS-D3(LAN,USB,RS232)RangeSingle color 2048 ... switchPlayerLED Player 3.2Software for LS-D3(LAN,USB,RS232) led display controller Edit static text, single-line text, multi- ...