Commuter LCD screens (Metro) and railway stations
Large LCD screen can be found on the train at the railway station and in the halls train control. Recently, January 9, 2009, the western Indian Railways announced that 4000 will be installed large LCD panels in 67 trains. LCD Screens installed by a company of OOH media receive revenue from advertising on the screens and Western Railway will receive a fee of Rs 7 crore (Approx. U.S. $ 1.75M) a year for the duration of the contract (which is 5 years). These LCD screens will play a mix of entertainment, information and advertising for 18 hours a day on all trains. LCD screens can also be found at train stations. Trivandrum Central, the largest train station in the state of Kerala in India, is considered "smart" by most visitors as a result of flat screen LCD television that contribute to the overall appearance.
However, the LCD display shows the needs of these trains are often similar. The following summarizes the basic needs of the LCD screens for railways:
Price: The price is an important criteria, however many OOH media companies, to their detriment, usually more buy cheap LCD screen size available for a particular format. Railways require robust LCD closed. Buy cheap LCD TV or LCD screens that do not close boxes, can result in premature failure of the screen.
Robustness and capacity 24x7 operation: screens LCD for railways must be tough. For this reason, it is important to have information LCD screens compared to LCD TVs, LCD screens of information are not Case closed fan units that can provide protection against dust and other contaminants. LCD also displays information for the operation are 24x7 while LCD TVs are made for limited viewing. Robustness and the life of the LCD screen is very important to reduce failures of LCD displays. LCD failures cause discomfort passengers and can interrupt the flow of traffic on the railway stations.
Network Capacity: Make sure LCD screen that has RS-232 and LAN connectivity. Network connectivity enables remote monitoring of various LCD screens. Alarms can be set if a display LCD is off or is not working. Power and other controls can be remotely controlled. For example, a power saving feature can be activated so that when no signal, a power saving mode is activated to reduce the brightness of the LCD backlight.
Quality Image: Most large LCD screens in high definition. High Definition LCD provide better image resolution, better value contrast, brightness, high color reproduction and fast response time resulting in better image clarity. High definition, high brightness and high contrast ratio are important features for LCD monitors to take the train environment for easy image viewing. Furthermore, the role of screen brightness LCD does not allow easy viewing in ambient light or when there is background light that is reflected on the screen. Most new LCDs 176 ° viewing angle making it easy for viewing. Check the specifications of vision to make sure it meets their quality requirements
Navigation slow (current) signal Capacity: If the LCD screens are being installed in the chassis center of the old CRT TV or in a mixed network of television CRT and LCD, the LCD has to be slow-scan legacy signal compatible. The new features are the LCD screen continuously emerging. Call LCD screen manufacturer to learn about new features. Read other articles and make the right decision to purchase LCD.
For more information in LCD screens, check out Sharp LCD 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.
How to choose the most appropriate LCD TV?
If I buy an LCD TV, I must take into account the higher contrast ratio? Me said the higher the contrast ratio more energy than it consumes. Some, like the TV maker JVC has a contrast ratio very low, but uses functions to enhance image quality. Is it something I should consider? What are the other points but a newbie like me should look before confirming my purchase? Thank you.
High contrast ratio will give a better idea than you ever thought possible, with whiter whites, black blacks.You should go with 1080p 120Hz Auto Motion Plus if you can afford.
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