Metal trunking national standards, wire and cable bridge national standards
until the automatic search after the program, you can watch the TV program
after the installation is complete, turn on the TV and set-top box power, then use the TV after the installation of the TV and set-top box power supply, and then use the TV and the audio and video cable Machine remote control to convert the signal source to the corresponding set-top box input video signal source;
It is estimated that you do not use CAD software to do, it should be based on CAD secondary development of some software to do the drawings, use the software to open the job, or a lot of things will not show
