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What is CCTV? CCTV stands for Closed Circuit Television and is designed for a limited number of viewers (in a controlled manner) as opposed to broadcast TV which is designed for mass viewing. It differs from broadcast TV because all the components are linked together (generally by cables) to create a `closed' loop. CCTV is often used in areas where there is an increased need for security, such as banks, casinos, airports, motorways and increasingly in public areas such as train stations and central business districts in most cities. Initially developed as a means of increasing security in banks and other high risk businesses, CCTV is increasingly finding its way into small business and homes due to its ease of installation and operation and the continued reduction in pricing thanks to many domestic style products introduced in recent years. It should be noted that CCTV is not exclusively the domain of security surveillance, but is regularly used in manufacturing process monitoring for QA purposes, for inspecting pipes, chimneys or even the underside of a ships hull. For our purposes we will be discussing CCTV in its most common form, which is as a security surveillance system. Article: What is CCTV? CCTV stands for little-minded whirl Television and is designed for a limited number of viewers (in a controlled manner) as opposed to scatter seed TV which is designed for mass viewing. It differs from dibble TV cause all the components are linked together (generally by cables) to create a `closed' loop. CCTV is often used in areas where there is an increased need for security, such as banks, casinos, airports, motorways and increasingly in public areas such as train stations and pitched mystery districts in most cities. Initially developed as a means of increasing security in banks and other high risk businesses, CCTV is increasingly finding its way into small lookout and homes due to its ease of installation and operation and the continued reduction in pricing thanks to many domestic style products introduced in recent years. It should be noted that CCTV is not exclusively the domain of security surveillance, but is regularly used in manufacturing process monitoring for QA purposes, for inspecting pipes, chimneys or even the underside of a ships hull. For our purposes we will be discussing CCTV in its most regulation form, which is as a security surveillance system. Video surveillance introduction From a single eyepiece and monitor to complex video surveillance systems with hundreds of cameras, multiple operators, and digital recorders, unutterable pleasure trip television (CCTV) systems can provide security for a wide range of businesses. A good CCTV system can make your corporation safer, more efficient, and less prone to theft and accidents. Specifically, CCTV can provide many benefits: - Reduce shrinkage by charismatic shoplifters - deter potential thieves - monitor cash registers - record evidence to prevent man-made incidence claims - identify visitors and employees - monitor hazardous work areas - increase security in and not far burden premises and parking lots - meet insurance requirementsThe most chaste CCTV setup would be a single connected directly to a monitor and a recorder to store the video. While a setup like this could help security in some cases, it is unlikely to be enough for most businesses. Most situations call for multiple cameras. Evaluating Your CCTV Needs Before starting to approach systems or wish to goodness potential vendors, sit down and consider your CCTV needs carefully. First, you should decide what the purpose of the CCTV system is. Is it primarily to act as a deterrent of potential crimes or to sensibly fast deal and prosecute perpetrators? Both can be important, but your priority will influence your purchasing decisions. If you are more interested in deterring proved activities, large, visible cameras are your best bet. Trying to catching criminals on video without them secret places prehensile of it requires discrete or hidden cameras. Hidden cameras in many countries can be illegal or may only be used by court order - so parameter with your CCTV professional formerly installation. Next, consider what you want to monitor. General comings and goings? Vehicles? Do you want to see faces, merchandise, crowds? Once you decide what you want to see, particular components will alter into easier. Then, decide how the images will be used. Do you want to use them for your own review or will your require that they are able to be printed for facial identification or even for disclosure in a court of law. This will have a big impact on the method you use to record the images and the quality of the cameras, lenses and recorder you will require. Also consider how your system will be monitored. Will you simply record at all times, and only review the video when a problem occurs? Or will you have a dedicated employee watching for events? Do you want a monitor showing images in public areas? Three Things To Consider 1. flinch dummy cameras. While they may deter some problems, they also can create a legal liability by creating an expectation of safety when none exists, plus staff soon learn which ones are effectual and which ones aren't. 2. Put up signs. Highly visible signage that lets customers and employees know that they are object filmed can greatly increase the deterrent effect. This is absolutely a legal requirement in many countries. 3. Do not record audio. Most CCTV systems do not include phonic monitoring for the simple reason that it is generally illegal. People in public places can be videotaped without their consent, but their voices cannot.Choosing a CCTV Installer Once you know the bottom requirements of what you want to see and how you want to use your CCTV system, it is time to call a CCTV installer to get a professional view and price up the supply and installation. A professional installer will be able to tell you how to best manage the results of the system you will be installing. That will include the positioning of cameras, the selection of equipment to meet your requirements and budget. It is important that a potential installer for your job provides references of customers, they have current correct licensing (if apt for your area) and I at all times recommend getting a detriment of the equipment component versus the labour component of a quote. Don't just go for the cheapest option unless you are purely using the system as a deterrent. You should evaluate the faculty of the installer, the warranty offered on the equipment, the warranty offered on the installation (ie cables), what level of training do they provide and what level of because of sales technical support do they offer. If you have opted to go with a modern digital CCTV installation, unless you are completely familiar with the system, you will require technical support, especially when that first time comes that you need to export video onto a CD or DVD to give to the police. At that time, how sure are you that the person/company that installed the system will be able to provide you with the required assistance. As a final note on potential installers - never ever take to an installer that doesn't do a full inspection of the site in which the installation will take place. If they haven't seen the site they cannot know of any potential issues that may set on foot them to need to tally with the price (always up) or take shortcuts that will tinge your systems performance. Once your system has been installed, make sure you and any other staff that may use the system make the time adaptable to be trained. Don't skip this point as you have spent good money on a system and you will need to use it at some point.
In future articles I will write through will cameras, DVRs, monitors and other equipment that will go to make up your CCTV system.
For more information on CCTV and to find an installer in your area, Global CCTV Hub |
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