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:What is the difference between monitoring cameras CCD1 / 3 and 1/4?

The bigger the CCD is, the better. There are now 1 inch, 2/3 inch, 1/2 inch, 1/3 inch, 1/4 inch. 3.6MM lens distance of about 8 meters 6MM lens distance of about 15 meters 8MM lens distance of about 25 meters 12MM lens distance of about 35 meters is the larger the lens, you can see farther things, but see the face very little difference is 1 / 3 lens of the light through the small aperture

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

While the use of long focal length lens can see the car's license number (the car occupies most of the area on the screen), but can not monitor the entire car park

Q:Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?

Mm is the lens of the aperture, the number of millimeters, not the bigger the better, the smaller the camera according to the wider picture, the larger the lens the more narrow the picture clear

Q:Monitor camera parameters how to see

Aperture: the aperture installed in the back of the lens, the greater the aperture open, the greater the amount of light through the lens, the higher the clarity of the image; the smaller the aperture, the smaller the amount of light through the lens, the image clarity low. Usually with F (luminous flux) to represent. F = focal length (f) / light aperture. In the camera's technical indicators, we can often see 6mm / F1.4 such parameters, which indicates that the focal length of the lens is 6mm, luminous flux of 1.4, then we can easily calculate the aperture of 4.29mm. In the case of the same focal length f, F value is smaller, the greater the aperture, reach the CCD chip, the greater the luminous flux, the better the lens.

Q:How to use the network cable to connect the surveillance camera?

Short distance directly with the network cable can be, I remember as if 40 ~ 70 should be no problem (my longest used 20 to 30 meters). If you can buy twisted pair transmitter, then each pair of cameras need a pair of distance greater than 300 meters with active, active recommended front-end ground. If you use a network camera or a normal camera + digital module (this name is not allowed) direct crystal head + switch.

Q:Video surveillance camera pixel 1080P what it means

Meaning that the camera to collect the high definition of the screen, can support high-definition 1920x1080 resolution format video and record, reference: General DVD resolution is 720x480;

Q:Hai Kangwei as the camera mapping problem

If the phone also want to monitor the settings, then, this one must be indispensable. Open the phone settings, and then must remember to monitor the port Yo

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

How many lines follow the concept of the simulation era, and how many lines can be resolved from left to right (similar to resolution, but not equal to resolution). 1080 refers to the video from top to bottom there are 1080 lines, also refers to the full HD resolution, and 1920 (each line) * 1080 (line), which is the format of digital video

Q:Monitor the hard disk video recorder how to pick up the computer

You are also a hard disk video recorder manufacturers, I teach you how to install the remote