110 voice patch panel directly to the telephone line can be connected to it
Turn on the TV and set-top box: 1. If the TV screen appears to start the image of the set-top box and then prompt "no signal" case, this phenomenon proves that your set-top box and TV between the audio and video lines (red, yellow, white) The connection is basically no problem, but the TV RF input signal line (Note: not the yellow and white that three) did not receive the set-top box RF input port, or TV RF input signal line and the wall is not connected to the terminal box, or in your room There are other places to open the road. . if the TV screen does not appear set-top box to start the image, then just the blue screen and no text prompts, then that is your TV channel settings there is a problem, please use the TV remote control by source or AV / TV key, the TV from the analog TV channel can be converted to video channels. 3. You can try each input source to see if there is any signal.
Can not. According to the "fire automatic alarm system design specifications", fire automatic alarm system transmission network should not be combined with other systems of transmission network.
Tell the user to receive the TV signal is low, do not meet the normal work of the signal requirements, need to find ways to meet the requirements to watch TV programs.
