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

There is a woody jam on the monitor. The presence of this kind of interference does not overwhelm the normal image at a slight time, and the image can not be viewed in a serious way (even breaking the sync). This kind of fault phenomenon is more complicated and complicated.

Q:An accurate calculation formula for monitoring the focal length and actual distance of the lens

So when you need to monitor the panorama to see the local, the general should consider the use of electric two variable or electric three variable lens. Of course, in the selected lens under the premise of the use of high-resolution cameras and monitors can be monitored objects in the smaller size can also see the local details.

Q:Panasonic surveillance camera wv-cp704 / ch corresponding to which foreign models

First determine the problem, of course, is the discharge method: 1. LAN problems arise, then ping the camera's ip address, whether normal,

Q:Zhongwei HD monitoring system IP address is not how to do

Click on the problem of the screen, right - remote management - network management, the IP address can be changed to other IP (such as 192.168.1.172, etc.), change the device management interface, a key to set IP, so there will be no IP conflict Causing the camera can not use the problem.

Q:How to monitor their own home in the home camera, in the first floor, in the 5th floor to see!

VCR simple, you put the host downstairs, a line upstairs, then the TV can see. Disadvantages: uncontrollable.

Q:Monitor the camera why the black screen?

Third, look at the video terminal whether there is a problem, because the video equipment is not set up or with the inappropriate black screen will appear.

Q:Remote monitoring principle

Network communication using TCP / IP and network multicast (Multicast) technology, to maximize the use of the network transmission performance and network bandwidth, to avoid network congestion.

Q:Monitor the camera hemispherical gun shape which is good

Not look at the shape, the two if the internal configuration are the same, then look at the installation of the bit! The General indoor hemisphere, outdoor bolt, there are indoor bolt. But no outdoor hemisphere, the reason is inconvenient to install!

Q:Monitor the use of the camera

This is to see what you want to do with it, I was bought to watch the baby with a baby. Emperor as faith constant, shaking his head machine! Very useful!

Q:Camera gun 4MM, 6MM refers to what?

Camera gun parameters in the 4MM, 6MM, etc. refers to the camera is configured lens focal length.