Standard for purchase of on board hard disk video recorders 2
richmor
richmor.net
2017-07-26 12:23:59
Interface stability: in the car, due to braking, acceleration, bumpy road, vibration is relatively large. If the interface is not secure, the wiring may fall off at any moment, resulting in image jitter, video loss, power loss. So, when you buy a product, look carefully to see if the interface is secure. I have seen the most during the test, some manufacturers will interface on the rear panel together with a multi pin interface instead of, all the data line into bundles, a good effect on the firm from the interface. Richmor as a professional manufacturer, we concentrate ourselves on providing customers with most advanced Fuel sensor Rental car mdvr.
GPS positioning system: GPS positioning system, for buses, police cars and bills car is very important, it can be implemented in a unified manner, and timely grasp of the specific location of the vehicle. At present, most of the vehicle DVR is only used as a stand-alone, but the product reserved the interface of GPS and other functional modules. Through the interface, GPS positioning module can be installed to realize satellite positioning and remote control.
Wireless transmission: in addition to providing local video and forensic data, DVR also needs to send back the video information back to the control center in time to facilitate the control center to keep abreast of the situation on the vehicle and centralized management. Therefore, wireless transmission is particularly important. At present, the main use of mobile GPRS and Unicom's CDMA network, but because of the bandwidth and cost problems, but also can not do real-time transmission, only within one second to transmit CIF format 5~7 frame screen. As a result, the user can view the transmitted pictures in the control center for clarity and fluency.
Waterproof: vehicles are usually cleaned every day, especially on buses. After the bus stop, the staff will use to wash the car, a little attention will sprinkle water to the device, if the waterproof performance is good, water droplets may enter into the inside of the case, when the vehicle ignition, may burn out equipment, therefore, the waterproof DVR vehicle can also cannot be ignored.
Black box: black box, also known as "motor vehicle recorder", it is one of the important functions of vehicle DVR. It can record all the data of the whole process of vehicle operation, and can realize the management and supervision of the driver through the supporting computer software. When the vehicle speeding or other violations occur, the black box will transmit information to the control center, play a warning role. Richmor- China professional Truck bus mobile dvr system supplier.
Black box: black box, also known as "motor vehicle recorder", it is one of the important functions of vehicle DVR. It can record all the data of the whole process of vehicle operation, and can realize the management and supervision of the driver through the supporting computer software. When the vehicle speeding or other violations occur, the black box will transmit information to the control center, play a warning role. Richmor- China professional Truck bus mobile dvr system supplier.
GPS positioning system: GPS positioning system, for buses, police cars and bills car is very important, it can be implemented in a unified manner, and timely grasp of the specific location of the vehicle. At present, most of the vehicle DVR is only used as a stand-alone, but the product reserved the interface of GPS and other functional modules. Through the interface, GPS positioning module can be installed to realize satellite positioning and remote control.
For more information, please click School Bus Mobile DVR with 4g gps.