How are videos recorded on my dash cam.
: A dash cam starts creating video files on an empty memory card. These video files are typically segmented into 1, 3, or 5 minute chunks, since it is easier to view and work with small video files on your computer rather than one long continuous file. When the memory card is full, the dash cam simply starts over at the beginning of the memory card, and in this way, never needs any attention from you until you have captured an incident on video that you would like to save. This is known as "loop recording", and is one of the most important abilities of dash cams.
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