Q:Ask the professional to answer, monitor the camera with water ripples

To distinguish between power problems and ground loop problems, an easy way is to control the host, the nearest access to a power supply without a problem camera output signal, if the monitor does not appear on the interference phenomenon , Then the control host no problem. Next, you can use a portable monitor near the video output of the front-end camera, and check each camera one by one. If so, then processed. If no, the interference is caused by ground loops and other reasons.

Q:What is the black box that monitors the camera connection?

DVR is usually used analog (DVR) and network (NVR) two, look at the interface behind the fuselage can distinguish. DVR according to a few video input will have several BNC input interface, NVR is not.

Q:Do i have a surveillance camera and a computer? Can the house be installed?

Can not be on the bed, bathroom. Computer poisoning someone else to get you live.

Q:What is the number of millimeters that monitor the camera?

General surveillance camera to see the 4mm, 6mm, 8mm, 12mm, 16mm These lenses are generally divided into wide-angle, ordinary, long focal length, you can according to the parameters of the range, the most important thing is your camera installation location to You monitor the distance of the area.

Q:Wireless micro-surveillance camera how to see what to shoot

If it is with memory, then the memory card can be placed on the card reader to the computer to play, if there is no memory, then there is a receiver, the receiver connected to the hard drive will receive the signal stored in the hard drive, Can be played through the hard drive on the monitor.

Q:Monitor how the camera looks online

If it is a normal camera, then it must be connected to the computer, the computer will be real-time upload information on the camera must be the server. First, the router must have a forwarding function, such as a peanut shell. After logging in to the router, upload the LP address of the video host at the forwarding rule. Go to the dynamic DMMS where to apply for peanut shell, apply for a good login, login success will appear in the lower left corner of the LP and then on the page HTPP: / / plus the acquisition of LP: plus port can be.

Q:Monitor the camera if the power supply to him a large current, pay attention to the current is not the voltage, the voltage is 12V, then what will happen to the camera?

The current is very rare to see this situation, but the current is low, then I am sure that the monitoring head will appear like a pattern like interference

Q:Monitor the use of the camera

There are two main aspects: First, early prevention, the deterrence of the criminals and the role of warning; the second is to follow the trail, and soon crack the case, arrested criminals.

Q:Monitoring the camera has a 700 line with 1080 lines of 900 lines is what does that mean? consult

700 lines refers to the horizontal direction of the camera's resolution is 700 lines. The number of digits indicates that the higher the resolution, the more details you can shoot.

Q:What kind of material is needed to install the surveillance camera?

4, the number of video recorders, embedded professional hard disk video recorders have 4,8,16, the greater the number of road options can record the number of head more. Zhejiang Dahua video recorders for the 4-way 950 yuan or so. 8 Road, about 1,200 yuan 1615 yuan or so. If there are idle computer can also be installed to install the card to soft compression card for the column 4 Road 260 8 Road 380 16 Road 650