LCDs can be found on the train at the railway station and the train control room. Recently, 9 January 2009, the Western Railways of India announced that 4000 will be installed large LCD panel of 67 trains. LCDs are installed by an OOH media company to earn revenue from advertising screens and Western Railway licensing fee of Rs 7 million rupees (approximately U.S. $ 1.75M) a 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 in railway stations. Trivandrum Central, the largest railway station in the state of Kerala in India, is considered "smart" by most visitors as a result of flat screen LCD TVs to contribute to the look and feel.

However, the LCD shows the needs of these trains are be similar. A summary of key needs of LCD screens in railways:

Price: The price is an important criterion, However, many OOH media companies, to their detriment, they usually purchase the cheapest LCD screen size available for a given format. Railways require robust closed LCD screens. Buy cheap LCD or LCD screens, which are not closed boxes, can result in premature failure of the screen.

Robustness and 24×7 operation capability: LCD screens for the railroads must be resilient. For this reason, it is important to have information over LCDs to LCD televisions and LCD screens of information are fanless units closed box that can provide protection against dust and other contaminants. More LCD displays are made for 24×7 operation, while LCD TVs are made for limited viewing. Robustness and the life of the LCD is very important to reduce failures of LCD displays. LCD Failures cause discomfort to passengers and may disrupt the flow of traffic on the railway stations.

Network Capacity: Make sure the LCD screen is RS-232 network connectivity and LAN. Network connectivity allows remote monitoring of various LCD screens. Alarms can be set if an LCD is off or is not working. Power and other controls can be controlled remotely. For example, a power saving feature can be activated so that when no signal, a power saving mode is activated to reduce the brightness backlighting of the LCD.

Image quality: defining the larger LCD is high. LCD provide a better HD image resolution of better contrast ratio, high brightness, color reproduction of high and rapid response time results in better image clarity. High definition, high brightness and high contrast ratios for LCDs are important features to take the train to visualization environment easy image. Furthermore, the mirroring feature of LCDs does not allow easy viewing in ambient light or background light when reflected on the screen. Most new LCD viewing angle of 176 °, making it easier for viewing. Check the specifications to ensure display that meets its quality requirements

Slow-scan (Legacy) Signal Capability: If the LCD is installed in the old chassis old CRT TV or in a mixed network of CRT and LCD televisions, the LCD screen should be slow scan signal compatible legacy. New Features LCD screen continuously emerging. Check with the manufacturer of the LCD screen to learn about new features. Read other articles and make the right decision LCD for purchase.

For more information on LCD monitors, LCD Sharp consulting official 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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