Q:What is the meaning of the camera uid?

Each uid corresponding to a user name on the general use of user name landing

Q:What is the power of the camera used for monitoring?

If all of the moving point, then the power supply per set of AC24V / 2A, each 50W, 31 * 50 = 1550W, that RVV2 * 0.75 power cord is not enough.

Q:Monitor the camera what is the zoom

The lens is equivalent to the human eye lens, if there is no lens, the human eye can not see any objects; if there is no lens, then the camera output image is a vast expanse of white, no clear image output, which with our home camera and camera principle Is consistent. When the human eye can not stretch the lens to the normal position, that is, people often say myopia, the front of the scene becomes blurred; camera and lens with a similar phenomenon, when the image becomes unclear , You can adjust the camera's back focus, change the CCD chip and the lens reference plane distance (equivalent to adjust the position of the human eye lens), you can blur the image becomes clear. Thus, the role of the lens in the closed-circuit monitoring system is very important. Engineering designers and construction workers should often deal with the lens: the designer according to object distance, imaging size calculation lens focal length, the construction staff often on-site commissioning, part of the lens is to adjust to the best condition.

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 video recorder, how do two video recorders show a display? Video recorder can not be connected with the exchange of two video recorders

This is the family. Or you want to use a video recorder connected to two monitors, a fool switch, switch on two network DVR, dozens of dollars, with two wasted, and then connected to the two monitors, you can do this: a network camera access switch. Plus a four-point video distributor. (If you have to use two video recorders, or use the computer to store, select the BNC interface, with wifi module web camera, two monitors. (Display and video recorder must have BNC interface, a hard disk recorders, switches connected to the network DVR.

Q:Remote monitoring principle

When the alarm occurs, the alarm decoder will be linked to the alarm output device, and through the alarm decoder to enter the alarm signal RV-2000 video terminal, and transmitted to the monitoring center, the monitoring center of the video server to receive the alarm signal immediately after the sound signal, Record alarm events, such as hard disk video alarm operation.

Q:What is the name of the camera with the monitor?

Called the probe, you have to look at the name of the device, do this thing too many manufacturers, the shape is the same, this is considered behind

Q:Monitor the camera gray screen

1, power reasons. The basic can rule out this reason, because it has been running for 2 months. If you do not worry about the power, you can do this: remove the camera, change the new power (or now use a normal) next to the host test. (Because the output line of the power cord is too long, there may be insufficient voltage.)

Q:Network monitoring camera how to make external network access?

First of all, mobile broadband router or dial-up Internet access to the WAN IP is not an Internet temporary IP, so the use of dynamic domain name to achieve remote video will not be successful.

Q:I installed a monitoring camera admin user password forgotten! How do you handle

Dahua: username admin password admin