In allusion to the laser display system , A method that computer controls the system by LPT is described, This method makes operation easier, also, It is realized by using of software.

• 针对一般振镜式激光显示系统,文中重点介绍计算机通过打印口对其进行控制的方法,改变以往利用插卡的方式控制操作麻烦的情况,并且阐述该方法在软件上的实现;