The large LCD can be found on the train at the railway station and control rooms. Recently, 9 January 2009, the Western Indian Railways has announced 4000 to install large-panel LCD screens of 67 trains. LCDs are installed by a media company that leaves the house to generate revenue from advertising on the screens and western railroads have a license fee of Rs 7 million rupees (about 1.75 million U.S. dollars) per year for the duration of the contract (which is 5 years). These LCD screens playing a mix of entertainment, information and advertising for 18 hours a day on all trains. LCDs can also be found at stations. Trivandrum Central Railway Station the largest railroad in the state of Kerala in India, it is considered chic by most visitors as a result of flat screen LCD TVs to contribute to the appearance.
However, the LCD of the needs of these railways are generally similar. Here are the main needs of LCD screens for railways:
Price: The price is a criterion important, however, many OOH media companies, to their detriment, LCD usually buy the cheapest available for a given size format. Railways require solid LCD closed. Buy cheap LCD monitors or LCD TVs that are not closed boxes, can result in premature failure of the screen.
24×7 strength and operational capacity: LCD screens for the railroad should be broken. For thus it is important that vs LCD displays information such as LCD TV screens, liquid crystal information are fanless units closed box that can provide protection against dust and other pollutants. Besides the LCD information displays are made for running 24×7 televisions while LCDs are made for limited viewing. The strength and life of the LCD is very important to reduce shortages of LCD monitors. LCD Chess cause inconvenience to passengers and may disrupt traffic near stations.
Network capacity: LCD sure you have RS-232 and wireless network connectivity Internet. Network connectivity enables remote monitoring of various LCD screens. Alarms can be resolved if an LCD monitor is off or if it breaks. Power and other controls can be controlled remotely. For example, a power saving feature can be enabled so that when no signal, a power saving mode is activated to reduce the brightness of the LCD backlight.
Image Quality: Defining the larger LCD are high. HD LCD a better view, better terms of contrast resolution, high brightness, color reproduction and high fast response time, resulting in better image clarity. High definition and high brightness high contrast ratio are important characteristics for the LCD to be in the railway environment easy to view photos. Furthermore, the role of light reflection LCD allows easy viewing in ambient light or if there is a background light that is reflected on the screen. Most of the new LCD viewing angle of 176 °, making it easier for viewing. Check the specifications of the screen to make sure they meet their quality requirements
In the slow-scan (Legacy) Capacity of the signal: If the LCD screens were installed in the old chassis CRT or old TV in a mixed network of LCD and CRT, the LCD should be swept legacy of the slow compatible signal. The new features of LCD are always new. Check with the manufacturer of the LCD screen to see new features. Read other articles and make the right decision for purchase of LCD.
For more LCD monitors information on Official start of Sharp LCD monitor site! Http: / / lcddisplay.sbsil.com /
About the Author:
Shaikh Mohammed Meraj is a technical writer who writes articles about LCD technology, LCD Monitors Review etc. and help to find “what” to buy through aggregating expert reviews, user reviews, buyers guides, thoughts and questions and answers from a crowd of trusted people and sites.
Article Source: ArticlesBase.com – Lcd Screens For Commuter Trains (Metro) And Railway Stations
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