Q:Monitor the hard disk on the recorder is what format without formatting

Commercialized, stereotyped surveillance video recorder format you do not have to consider. You only need to set the pixel (or fine level), several frames per second, date and time.

Q:Night to monitor the infrared light is not bright because it is not open monitoring?

4: into the camera's settings menu, and some cameras can be forced to turn off the infrared mode, that is, has not opened.

Q:What is the monitor for the video recorder?

There are four split, nine split, sixteen split, you can display 4,9,16 camera images on one monitor at the same time, or you can send it to the recorder.

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:Will monitor the camera should buy much. Room size of 8 meters 7 * 3 meters 3, is expected to use four camera monitoring head. Will the camera to buy much?

Brand to see your own choice, and Dahua, Jing Yang, Hai Kang and the like better, the price is slightly higher.

Q:What is the power consumption of the camera day?

According to the DC power conversion efficiency of 80%, the input power = 18W / 0.8 = 22.5W

Q:Monitor the camera with high illumination and low light

The minimum illuminance of the surveillance camera is the scene illumination value when the level of the video signal of the camera output is low to a certain value when the illuminance of the subject is low to a certain extent, and the value is smaller, indicating that the camera The higher the sensitivity. In addition, the minimum illumination will be changed according to the F value of the lens.

Q:How many mm meters I use to monitor the camera

Finally, it is recommended that you choose the camera, it is best to choose a manual zoom lens, so that after installation can be based on the scene environment for a certain range of adjustments, it is convenient.

Q:What is the 960h in the surveillance camera?

DVR can also achieve the effect of 960H program. Samsung 650 cable cameras are used 960H program, the same effect to reach the 650 line only in the case of the use of 960H program can be achieved.

Q:Monitor the camera screen black

Exclusion method: 1, can display the screen channel can not be displayed on the screen channel, if there is a picture description is the problem of monitoring the head. Troubleshooting power, power is not enough power. Line problems and so on.