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Technical characteristics of large screen self-service terminal
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2022-09-05 13:11
Technical characteristics of large screen self-service terminal
Large screen self-service terminals are widely used in communication, power, military command, information sharing, decision support, situation display, and other fields. Split screen display BSV plays an important role in LCD splicing. This article introduces the main working principle of the large screen self-service terminal and the precautions in design and equipment selection, for readers' reference. Large screen self-service terminals are widely used in government departments such as power, telecommunications, water conservancy, and other fields such as monitoring, communication, and security. The DLP large screen self-help terminal adopts the original imported projector, whose digital high integrated circuit design design ensures the stability of the system. Due to the advanced DLP technology used in the projector, there is no burning phenomenon of the projector equipment. Continuous use for 24 hours will not cause any damage to the projector and will not affect the display effect. The display can maintain the same display effect from installation and debugging until several years later, achieving the same clarity, resolution, and accuracy. DLP large screen self-service terminals often play an important role in discovering emergency situations, providing assistance for leadership decision-making and command by quickly obtaining various dynamic image signals. The operation of the large screen system, window switching and scaling, and signal source switching are simple, clear, fast, and convenient.
With the rapid development of information technology, the application of high-tech means in the decision-making system of the earthquake bureau command center is becoming increasingly common. As the centralized display terminal of various signals (computer, video, network, etc.), the large screen projection display system has the characteristics of high display resolution, uniform and stable color, and good compatibility with various signals. The 0.7 inch DMD chip adopts new technology from Texas Instruments (TI), which improves the optical efficiency by about 10% compared to the 0.9 inch DMD chip. Compared with a 10 degree deviation angle microlens, a 12 degree deviation angle DMD microlens can significantly improve the color level and contrast of the image. Color consistency effectively suppresses the dispersion of the three primary colors in each image, ensuring a high degree of color consistency. Eliminate the "solar effect" and ensure uniform brightness between screens. Full screen brightness uniformity can reach 90%: adjustable to 100% uniformity. Advanced screen processing technology has the characteristics of anti reflection, high brightness, wide field of view, seamless splicing, good uniformity, and not easy to deform. Its unique integrated built-in image processing system can directly access digital signals (DVI-1) and is compatible with various video signals, analog/digital computer signals, and network signals, meeting the application needs of the next few years. The projection splicing wall system follows the principle of an open system. This system can access computer RGB signals, video signals, as well as network signals. By dynamically displaying various computer graphics, text, network information, and video image information through signal systems and GIS systems, real-time monitoring of geographic conditions, seismic conditions, and other information is achieved, providing a high-definition, high brightness, and intelligent interaction platform for monitoring personnel and leaders. DLP large screen projection splicing wall is currently an advanced and "expensive" display system. Its' expensive 'is not only reflected in the early hardware investment, but also in the later maintenance costs and consumables costs. Therefore, choosing a comprehensive quality assurance system, stable quality, and excellent service is a wise choice for internationally renowned products. The display system should be easy to diagnose faults and replace components to shorten fault time. Preventive maintenance reduces the failure to a lower limit. The DLP projection splicing unit adopts an advanced modular structure, and the projector, light bulb, screen, and mirror can be easily disassembled. Replacing a light bulb only takes 2-3 minutes. The control board, power module, and color separation wheel of the projector are independent modules, making replacement very convenient.
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