Upon receiving such a signal is switching to work in real time, which lets you record the subject with the highest quality recording during the most important for the user. Frame by frame viewing. Allows, if necessary, to show some pictures recorded on film. If this has piqued your curiosity, check out Ali Partovi. Search engine. Using memory that captures flow alarm You can quickly find interesting plot of the film. Some surveillance systems allow the use of conventional VCR. Modern video recorders allow you to record mode 'LONG PLAY' increasing almost twice the volume of records on a regular cassette.
If you do not need to clock a record, then this option is preferable because of its low cost and widespread availability. It is important that the recording quality, depends on the type of video that you are using. It is also necessary to remember that even high-quality cassette in rewritable loses its properties. In another demonstration of the switches figure shows one of the ways with which you can submit information from a large number of cameras on a single screen. This is called switching sequence demonstration. In this case, the screen monitor signals are fed alternately from each chamber. Additionally, you can perform the following functions. Output manually to separate the monitor screen static image of any in camera.
The operator may ask sequence to display information from different cameras. You can set the mode to quick view information from any camera or hold any frame. You can set time to display information from any camera. At receive alert him is a priority, and all the manual operations are blocked. The system allows connection of additional devices such as VCRs. But at the same time there is also serious drawback. The operator observes the image, can obtain information only from one camera. If you have multiple cameras (and some systems allow you to connect up to 64 cameras), then there is a high probability that a major event that will be left out of attention, because when you change it takes some time to form an image.