Q:What is the amount of data per channel for a digital video recorder? What is the hard disk space occupied by CIF and D1 machines per hour per hour? Column formula

See you choose which, if you choose 200M / hour that is, the number of channels * (200M / hour) * hours * days / 1024M = capacity number.

Q:Digital hard disk video recorder, the power indicator light flashes, the hard disk can not start. Unplug the hard disk power, you can start, why.

It is estimated that the hard disk video camera for a long time. Hard disk damage. You can try changing a new hard drive. Or the state is good.

Q:Hard disk video recorder forgotten, how do?

6, re-turn off the host, cut off the host power input 7, unplug the short circuit block, re-J4 pin 1, 2 legs (near the resistance R5) placed in the open state 8, fixed on the chassis cover, password cleared.

Q:Digital hard disk recorders and network DVR What is the difference

Digital hard disk video recorder is connected to the network camera video recorder, network hard drive video with a network function of the video recorder, but in real life we have confused the two is the same no need to be true

Q:Hard disk video recorder started to load what is going on

There may be a hard disk problems, hard disk failure caused by the boot after the hard disk video recorder has been in the search hard drive

Q:Dvr video recorder and nvr video recorder difference

In simple terms, through Nvr, you can watch, browse, play back, manage, store multiple webcams at the same time. Out of the computer hardware to tie him down, no longer have to face the tedious. If all the cameras are networked, then the only way is to have a centralized management core.

Q:Hard disk video recorder no usb how to copy the file inside how u disk

2, add USB external VGA signal acquisition card, directly to the hard disk video recorder VGA signal, the external acquisition card into video data, sent to the computer to save.

Q:Hard drive close to the digital hard disk video recorder can not open the machine

Second, it may be hard disk recorders in the hard disk failure, hard disk non-stop self-test, the need for a large current, resulting in power supply caused by continuous restart;

Q:Embedded digital hard disk recorders (DVR) what electronic components

DVR electronic circuit is mainly composed of digital circuits, the need for thousands of electronic original, there are ordinary chip resistors, capacitors, inductors, beads, digital logic chip, video codec chip, the system master CPU, Memory chips, flash memory, analog-to-digital conversion chip, power regulator chip, network chip, hard drive chip, reset chip, ordinary op amp chip, etc., too much. In addition there are some connectors, connectors and so on. And then go to PCB factory to do multi-layer PCB board. So what the original, the key is to see what you plan, when the program is determined, the original basically also determined.

Q:Video probe, optical, digital hard disk recorders 3 how to connect? More than a Guangduan Ji do not know how to connect! Solution, thank you!

2, multi-site multiple camera connection method, each station's camera with video cable connected to the local video Guangduan Ji, and then converged through the optical transceiver to the control center, all the video signal connected to the video matrix, and then connected to the hard disk video recorder.