The view on the display
If the DVR has a display to view video files directly on it. Displays can be hinged or fitted, rotary or fixed, of different sizes and resolution. Of course the quality of viewing of the file depends on the quality of the screen. Display with a resolution of 1920x1080 pixels, you will see a lot more detail than on the screen with a lower resolution.
In order to view the records directly on the device display need to select the appropriate menu command. In many recorders the browse button imposed on the body. After clicking, you will need to choose a file that interests you, and start playback. Also, if you wish, the files can be rewound. This is probably the easiest and most convenient watching videos from the device directly in the car.
How to view the recording on the PC and the TV?
The market offers many models of DVRs that don't screen because of its overly compact size. But, as a rule, they are equipped with USB ports and HDMI. The first can be used to connect the device to the computer. Usually included with these models are special cables to connect to the computer. However, you may need special software to view the files. More convenient are those registrars that are recognized by the computer as a normal drive. In this case, to view just need to connect the logger to the computer and run the selected file through the media player you installed.
The situation may be complicated in the absence of the data logger's USB connector. In this situation, you will need to pull out the memory card and insert it in your computer or smartphone. In the absence of the computer's built-in card reader will have to use removable. The easy option of viewing videos with the Registrar will be viewing on the TV. This requires that the main body of the logger was attended by HDMI or AV connector. When using a special cable (supplied they may not be) you can easily connect device to TV at home or in the car.
Usually the owners of video recorders no problems with viewing video files. Modern devices allow you to play videos of any of the above methods.