OBSERVER MONITOR INSTALATION INSTALLATION AUDIO VIDEO CCTV SYSTEM By Sarbini, S.Pd (SMK Muh 3 Yogyakarta)

Monitor criteria can be grouped in two category :  Electronic factors  Human interface factors

ELEKTRONIC MONITOR FAKTORS Electronic monitor factors :  Reliable  strong,  Resilience is a primary consideration. Monitor specifications  Life time (The minimum life time for CCTV monitor is 43,000 hours))  Mean Time Between Failure (MTBF)

 Monitor Resolution (300 to 1200 lines) Lately characteristics CCTV monitor electronic signals using the composite video cable exceeds the balance (75 ohm) Video composite video means all elements (images, color, brightness) are sent in a stream does not like a video component that sends each element separately

MONITOR AND MAN INTERFACE FACTOR  Physical factors associated with the ergonomic knowledge to learn the size and optimizing the interaction with the human machines and equipment (peace securyti Book 4)

 There are 3 parameters that affect the ability of the service related to efficiently monitor :  Screen size : image that will be demonstrated Format screen will be demonstrated  Distance operator to monitor (monitor size (in inch) - 4 = visibility optimum + / - 25% (feet) Example, 9 inch monitor recommended observation distance is 5 feet (9-4). The visibility of 25%, so the distance can be observed in the range of 3.75 ft. to 6.35 ft

 Perspective : Monitor can be placed in the observation angle 30 degrees (left or right, up or down) from the operator perspective (specified at the time of the operator to sit comfortably and look straight to the head) Maximum capability for the operator can feel the movement on the observation monitor 40 mins continuously

COMPARE OF DISTANCE AND MONITOR LENGTH

ADVANTAGE AND DISADVANTAGE CRT NuM BER ADVANTAGEDISADVANTAGE 1 The best image quality High power consumption 2Perfect technology High heat generation 3Many tools have been designed for reproduction on CRT Require a large space 4CheapProducting most of the monitor

ADVANTAGE AND DISADVANTAGE LCD NuM BER ADVANTAGEDISADVANTAGE 1Concise and lightweightReproduction movement is weak 2Power consumptionSurveillance over the limited 3 There are wide range of screen sizes Konstrast low image 4Cheap

ADVANTAGE AND DISADVANTAGE PLASMA Nu MBE R ADVANTAGEDISADVANTAGE 1Designed thin walls can be installed in Easily broken 2Maximum size is greater than on the LCD High power consumption 3Angle of vision is wider than on the LCD High Heat generation 4-Expensive