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Dual-value capacitor asynchronous motor starting up the speed is high and low What is the reason, the motor rotation just to the high speed suddenly down again more
My professional is to do this, but depends on your TV there is no audio output, it is very simple to use two sets of lines, do not control what is HDMI or color or video, respectively, connected to the TV. And then use the TV AV / TV to choose just like the protection of the pole pole pepper locust Ge Wei Gonglian, if the TV sound to the sound, first look at the TV output. If there is connected to the amplifier. Not on the set-top box assigned to the amplifier "answer is completed
The elevator has 23 floors. But I have not installed before. I would like to ask how to install. How does the video line go? Thank you more
You can find the staff responsible for the maintenance of the elevator with the shaft of the line with the cable can be wrapped together, but to have shielded wire.
I got the machine, and then removed, there is a section of the tube was bent, and that position really need to fold before, because there is a turn, but now that place too hard, and completely unreasonable that he is normal Of the time, because the demolition of a little time will be folded, do not know that they may be deliberately? And then to add money, encounter this situation usually how to do more
Single-core cable line grounding line commonly used grounding 1. shield one end directly grounded, the other end through the protective layer to protect the ground: When the line length of 500 --- 700m and below, the shield can be used directly to one end of the ground (cable terminal Position ground), the other end through the protective cover to ground. 2. shield the midpoint of the ground: When the line length of 1000 ---- 1400m, the use of midpoint grounding. in the middle of the line position, the shield directly grounded, the cable ends of the shield through the protective cover to ground. The middle ground is usually required to install a straight connector. Install an insulated connector at the midpoint of the line. The insulated connector disconnects the cable shield, and the shield is grounded through the protective cover, and the two cables are shielded and grounded directly. 3. Shielded cross-connect cable lines are very long (1000 --- 1400m above), you can use shield cross-connect. This method is divided into three equal parts of the length of the three or three times the number of segments, each section between the installation of insulation joints, insulation joints between the three-phase shield with a coaxial cable, cross-linked box for transposition, cross The interconnection box is provided with a set of protective protector, and the two sets of insulated connectors are arranged on the line.
Gehua cable TV antenna, that is, home that root plug set-top box behind the TV antenna is particularly long, I put the coil up with a cable fixed a bit, will not affect the TV signal? More
Digital TV box on the S-Video and video terminals did not fight the difference, where do you want to pick up where to pick up
What is the name of this plastic buckle? Since the US military used to replace handcuffs, it must be very strong, what is the plastic? More
Such as concealed in the installation did not set enough, then the sale is more difficult to deal with
What equipment does fiber engineering need? What are the brands?
WDZ-Low Smoke Halogen-free Flame Retardant Cable WDZN-Low Smoke Halogen Free Flame Retardant Cables,
Ordinary air conditioning louvers, one square meter of louver aluminum consumption is good?
High-performance capture cards typically have a composite video interface and an S-Video interface
Will the power cord wiring with what is called, how the insulation effect
There is no difference between BTTZ25 square can only do single core