How to install an indoor closed-circuit TV with a computer
1. Prepare a TV box with VGA interface;2. Connect the TV box with the monitor with VGA cable;3, turn on the TV box and monitor, you can see the main interface of the TV box;4, then you can use the TV box remote control operation, the implementation of automatic search table, after the search station is completed, you can watch TV programs;5, because the VGA can only transmit video signals, so the monitor has pictures, but no sound, so you can prepare a speaker, using audio lines to connect speakers and TV boxes to increase the sound effect.
General can directly buy a closed-circuit television signal and can receive TV box with VGA interface (such as moons TV box or other TV box), then the TV box and display can be connected directly to watch tv;
The closed circuit is relative to the opening, and the latter is the television reception mode we usually call the outdoor antenna to receive the signal. Closed circuit is the satellite transmission to the designated user, that is, cable TV mode.It mainly converts the audio and video signals into one radio frequency signal, that is, one channel, so that it can be transmitted in closed-circuit television
