视频解码器，云台控制，镜头控制，自动巡航，自动扫描，串口设置，地址位。-Video codec, PTZ control, camera control, automatic cruise, auto scan, serial port settings, the address bits.

实现VISCA 对云台摄像机的控制，云台的上，下，左，右，左上，左下，右上，右下，自动，及变焦，焦距，光圈，预置位巡航等功能(To achieve VISCA control of the PTZ camera, PTZ up, down, left, right, left, left, right, bottom right, automatic, and zoom, focal length, aperture, preset cruise)

利用VB进行与兰德华巡更棒进行串口通讯。其中包含兰德华动态链接库的使用。适用于兰德华的所有巡更棒。(Using VB to conduct the serial communication with landehua. It includes the use of landehua dynamic link library. All the cruise line is better for langhua.)