How to use the driving recorder of Chang 'an unit?

The usage of driving recorder is as follows: 1. First, before installing the driving recorder, be sure to read the instructions carefully and master the above buttons and functions. 2. Select the installation position so that it will not block the driver's sight. The best position is the upper center of the front windshield, which is the position of the rearview mirror. 3. At the same time, pay attention to the working area of the wiper. Otherwise, in rainy and snowy weather, the glass outside the crane will become dirty, but the wiper can't scrape it, which may cause unclear image quality. 4. Adjust the viewfinder range of the driving recorder, aim the lens directly at the front, and let the hood of the car expose the bottom, but not more than one third. 5. Finally, the A-pillars on both sides of the car should be located under both sides.