Wire in the blue line, green yellow line, gray line on behalf of what does this mean?
AV cable can be connected to the set-top box is not only two-way port? If the signal is not good to persuade you to buy a adapter,
The former can, the latter can not use! Coaxial cable transmission is the RF signal, video signals and audio signals can not be directly connected together, otherwise the front of the TV can not watch!
PVC wire tube 4 points and 6 points is the type of wire tube different name, 4 pipe is the diameter of 16 lines, 6 tube is the diameter of 20 lines, two models in the laying of the line when used, Through the line of the wire less with . through the wire more than the use of . the specific 16 and 20 tube to wear a few lines, there are standard, the general tube of the total cross-sectional area of the wire should not exceed the tube Diameter cross-sectional area of 40%, but in the actual construction is not based on this standard, as long as the wire into the line tube should not be tight, to leave some space, because the wire to leave a little space to ensure the use of the wire.
