Q:Surveillance camera has a simulation camera and web camera two, what is the difference? Also, the use of wireless walkie-talkie need to state approval?

Walkie-talkie who want to use who, no difference, generally can be universal

Q:The new installation of the set-top box I do not care to press the program that key and then the TV has been blue screen TV is Changhong delay forging forging wiping boxing fist AV / TV options TVAV1AV2 I choose which one set-top box remote control how No use of the TV remote control by setting also get into the problem added: already know I have not been able to switch to here by AV2 can be more

Video signal line and power line to go with it? You put the video signal line wrapped with metal foil (especially 75-3 line that section) to block the power line of electromagnetic interference, will receive good results (for reference only)

Q:Broadband TV no signal how to do, the room network normal ...

I think your choice has been very reasonable, I suggest you or every room independent line, living room, the kitchen is the same, the other high-power appliances are best independent lines, such as cabinet air conditioning. The size of the line according to your can

Q:What is the difference between lotus head and coaxial head? Feeling like long. There are XLR lines, what is the balance line mean?

Now basically with copper, home in the main line with 2.5 copper core, with 1.5 copper cable can be, air conditioning line to do a separate line, according to the size of the selection, the general 4mm copper core is enough

Q:Recently installed a high-definition set-top box, the installer suggested that I buy a HDMI1.4 version of the connection to the home LCD TV. I search the Internet, the price from one dozen yuan to a few hundred dollars to a few hundred dollars a meter, there are a variety of brands, each brand has a variety of models, and made me dizzy. I would like to ask you heroes, 粻 chu gangsters to see the color of this high-definition set-top box LCD TV HDMI1.4 version of what brand should buy what brand and good? Thank you. More

There are: connecting pieces, bridge connecting bolts, cross copper whip. Bracket, pole

Q:My home digital TV, I do not know what the wrong key, there is a black screen video 1. And then use the TV / AV key valve ridicule crisp off the end of the road, back to the TV, but why is the snow? More

The signal input selection is wrong (you command wrong), because your TV has a number of signal input, you continue to press the TV / AV key to select A valve ridicule crisp off the end of N2 or AV1 mode can ( Your set-top box and the TV is connected to the input port, then choose to connect that) to see.

Q:Installed a set-top box, the TV has only one set of input, how to connect vcd

External burner has a separate power cord, plug in the line. The The If it is portable usb mouth, may be directly usb power supply, plug usb line on the line

Q:In the edius in the material video to the timeline do not want the video inside the voice how to do

After the thick green is because your ground line and other lines or pins coincide, you have to re-wiring

Q:How does a computer monitor be connected to a satellite antenna? What adapter is needed? Still need more high-end things to connect? And shows how much money you need to buy something Please! Question added: Is the monitor connected to the day pot set-top box? Not a closed route! More

Factory communication line dedicated cable is used to transmit two-way signal, the control cable is used to transmit one-way signal (with feedback circuit is still regarded as the control circuit)

Q:Notebook to connect the LCD TV to switch the screen to the TV broadcast Fan Guang both scold Huan only contained here need to VGA line I know there are people say what a second line What is this? If only the VGA line is not the TV only the screen no sound ah? How to set up to have ah? What is the screen resolution to be re-set? How to choose the best resolution? Sorry for the problem here more trouble everyone 啦 ~ ~ more

Paper insulated cable is an old-fashioned cable, with oil-immersed insulating paper as insulation material, external wrapped metal shell (lead skin, etc), generally used for 10KV following power supply cable, can be overhead, buried and cable trench laying, Strong Has now been cross-linked polyethylene insulation, PVC insulation and other organic insulated cable instead