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There are so many types of monitors, and a wide range of functions available for various applications, but these are really the ten main points to consider.... 1) Many plastic cased monitors are based on domestic televisions, and are therefore not likely to have an exceptional life expectency. 2) Metal cased monitors are generally far better at reducing and resisting electromagnetic radiation, than plastic cased units. 3) Most industrial monitors provide loop through inputs which are terminated. If unconnected, the switch should be set to 75 Ohms. 4) All CRT monitors generate a lot of internal heat. Take special care to maintain good ventilation at all times. 5) If fitted onto a wall bracket, make sure that the monitor is securely fitted, fixed and quite incapable of coming adrift. 6) If the monitor is a multi standard PAL / SECAM / NTSC unit, this can be used to play back recordings from other countries, using a suitable player. 7) If you leave the same image on a CRT monitor for any length of time, it will eventually burn in to the tubes phosphor coating. 8) Flat screen monitors offer a host of advantages over standard CRT tubed monitors, but the price may still be a limiting factor in some situations. 9) A very limited number of monitors offer a standby facility; with no picture on the screen until an open alarm contact is closed. 10) Never use a line power output monitor except with the manufacturers own recommended cameras. | ||||||||||||||||||||||||||||||
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