Hualingan safety on the road you forget tachograph
Approaching Spring Festival holiday, car travel by car to return home , and people are getting . But who can guarantee that all vehicles on the road , point Guaceng not happen , a small rear-end accident , or even worse will encounter malicious Pengci so . This time , car multimedia we can say that the tachograph is required it.
Tachograph equivalent car black box driving the process can take video , driving record , be able to prove that the accident occurred clarify responsibilities , because it is more with the video screen , the evidence is valid information and data . Of course , the tachograph can also be used as a tool to deter thieves steal , then buy the tachograph , the need to pay attention to what ?
Experts advise , buy tachograph should note the following:
1, the appearance . Follow the principle of love is like , because it is recording of equipment , we recommend you do not choose too bright colors, so as not to overly impressive.
2, the image quality. View and reference object color difference cf , whether bright colors . Because it is a wide-angle lens, car GPS dvd navigation system the image distortion are relatively large, especially the edge part, is certainly a sphere , those who boast of their own 100% of the full screen image Euparagonimus product recommendations do not buy . Just look at his picture when important local image , no obvious distortion problem is not that big .
3 , tachograph into CCD and CMOS imaging device illumination , camera angles , etc. , CCD and CMOS low light of this argument you only as a reference , not to discrimination . After determining its image quality is good or bad can be distinguished . The focus here and tell you that the issue under angles. Angle cameras capture light in a plane angle. It is easy to see how wide to see demand.
4 , is now common storage SD card storage . AVI, JPG format is common. Each approach has its own advantages and disadvantages. HD multi- use AVI, ordinary multi-use MP4.
5 , tachograph most important accessory is the base and the vehicle power cable, AV cable . The base of the universal head can rotate composure and robust, whether tight suction , deck . Length of the vehicle power cable will affect use. Of course , also affect the use of too long to go around is not easy around lunch . There are relatively ferocious power buck , with a long time may lead to supply.
6 , clarity. Definition depends on the imaging device and the master plan of the match. Common to illuminate pixels 1024 × 720 or more we called HD , below this is divided into ordinary type . Can be taken down and stored , car dvd manufacturer the performance of the control board 's request for higher than normal . So relatively speaking, the more distinct the tachograph more expensive is justified.
