Standalond Digital Video Recorder DVR NT-D8604DH-G(G1)

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Product Description:

Standalond Digital Video Recorder DVR NT-D8604DH-G(G1)

• Support 3G dialing,WIFI
• Support multiple web browsers
• 2 USB port to support mouse,backup,burn 
  and upgrade etc.
• More than 20 kinds of languages 
• Operation:Embedded Linux
• Dual stream:  Can be set up in each channel
• GUI:16-bit,Display split:1/4/8/9/16
• Image coding:H.264 
• Video: 4ch 960H real time        
• Video input:4*BNC        
• Audio input:4×RCA
• Video output:1BNC,(1.0Vp-p,75Ω),1VGA,HDMI  
• Audio output:1*RCA 1

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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:Housing surveillance camera
There are dozens of front-end camera to tens of thousands of you so close to the video line can be SYV75-3, back-end with a collection card is also a few dozen to thousands of hard disk video recorder is from more than 300 to 10,000 or so.
Q:Monitor the type and purpose of the equipment
2. Color gun camera, generally used for indoor, if you add an outdoor shield, you can also be used for outdoor.
Q:What kind of monitoring camera is used in the store? 360 ° with the introduction of ordinary
If the store to install two, generally use diagonal installation, select 3.6MM lens, the basic can see the whole store (of course, the store is not big, about 20 square).
Q:Monitor the flash indicator on the DVR panel
General panel will have a hard disk indicator, if it has been flash, that the hard disk is working (video), on behalf of normal
Q:What is the reason for monitoring the camera's black screen?
First, check the power supply under the surveillance camera is a problem, if it is infrared surveillance cameras, can see the red light at night, then that power supply normal; if not, you can use a multimeter on the power supply and power lines to measure.
Q:What kind of surveillance camera points
Infrared integrated camera, integrated camera, infrared hemisphere, ordinary hemisphere, explosion-proof hemisphere, constant speed ball, medium speed ball, high speed ball, network camera, gun camera (low light, wide dynamic, color to black) And so on
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:Monitor the camera live
It's static Your camera does not have to be grounded for a long time The static will accumulate You will touch it until he will suddenly discharge So you feel he has electricity You can give the monitor system a regular power outage or discharge on it
Q:What is the effective range of infrared surveillance cameras?
6 mm more than a narrow angle lens, the general effective distance is about 100 meters. And some 25 mm is about 150 meters, if the high-speed laser PTZ machine can reach 300 meters of infrared distance, but this cost is very high, about 13,000 or so, commonly used lens general angle is as follows: 2.8mm 101 ° 3.6 Mm 83 ° 4mm 76 ° 6mm 53 ° 8mm 35 ° 12mm 28 ° 16mm 21 ° 25mm 13 ° 1 / 3CCD and 1/4 CCD angle difference around 20 ° Hope to help you.

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