Motion detection is exactly what it sounds like; and that is your DVR's capacity start recording its video clips when it detects motion facing your surveillance cameras. This is a huge space saving feature for your DVR in comparison to recording constantly, which can eat via the hard drive rather quickly depending on the number of security cameras you have.

Pre-Buffer

Should you use motion detection on your DVR, it will generally possess a pre-buffer setting which will keep a constant 5 : 10 second recording that's cycling through the DVR. The reason for this is so as soon as motion recording is activated it may record and store the lead as much the motion that started out the recording. This is quite handy as it allows you to see the perpetrator as they simply come into the frame. The key here however is which you could sometimes adjust this pre-buffer so you are adding more or less to your recording, and thus using more or less hard drive space.

Masking

Masking is a nifty tool that works with your motion detection settings. This feature allows want you to take certain portions of your screen straight from the motion detection equation. For instance let's say you present an American flag waving in the background rather constantly. Feel free to use your masking feature to tag that component to the screen and make certain any movement within your selected section fails to activate the motion record setting. This is very useful in saving your hard disk space as you won't get unnecessary motion recordings increasingly being stored.

Resolution

The larger the resolution that people record at, the more space your surveillance footage will require up on your hard drive. This is where scheduled recording can be purchased in. By scheduling when you might have your DVR record you may save space by not recording during all hours in the day. This option is usually usable with both constant recording and motion detection; which can make it quite the place saver.

Number of Active Cameras

The more security cameras you have actively recording; be it motion recording or not necessarily, will determine the number of space you use in place. Obviously the more cameras that will be recording; the more space you may use. So if might be identified times of the morning where you don't need certain cameras to remain recording; it can be smart to schedule them not to, to help save on space.

By implementing a few of these different features and settings on the surveillance DVR; you will better be ready to record and maintain more time stretches of footage.
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