Introduction - If you have any usage issues, please Google them yourself
Project requirements: switch to digital TV the whole process, at the same time the need for multiple set-top box to authorize the operation of the channel search, the authorization card operations to monitor binding. If using multiple monitors to watch too much trouble to switch the use of video and audio to watch, then switch, wiring is simple, save time. Therefore need to switch programming control, reduce operating complexity. Project realization: Dr Q 1* 8 video and audio switch a programming tool for C++ Builder.