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Gantry-type variable message display

An LED display screen is composed of numerous independent LEDs arranged in a matrix form. Text, images, and videos are displayed by turning the LEDs on and off.

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Gantry-type variable message display

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  • LED dot matrix screens are composed of numerous independent LEDs arranged in a matrix formation. They display text, images, and videos by turning the LEDs on and off. LED dot matrix screens are widely used in various public places, such as vehicle arrival displays, advertising screens, and bulletin boards.

    ◣ Technical Parameters

    (1) Physical Dot Pitch: 10mm;

    (2) Physical Density: >10000 dots/m²;

    (3) Display Colors: Red, Green, and Yellow;

    (4) Module Size: 320mm*160mm;

    (5) Drive Method: 1/4 Constant Current Drive;

    (6) Control Method: Asynchronous control and hardware HUB12 interface;

    (7) Overall Brightness: ≥4000cd/m²;

    (8) Brightness Adjustment: 128 levels adjustable;

    (9) Refresh Rate: ≥1000Hz;

    (10) Mean Time Between Failures (MTBF): ≥30000H;

    (11) Mean Time To Repair (MTTR): ≤1H;

    (12) Screen Lifespan: ≥50,000 hours;

    (13) Flatness: Error between any two adjacent pixels ≤0.5mm; Gap between modules <1.5mm;

    (14) Uniformity: Uniform pixel light intensity and module brightness;

    (15) Protection Technology: Moisture-proof, dust-proof, corrosion-resistant, anti-static, and lightning protection. It also has overcurrent, short-circuit, overvoltage, undervoltage, short-circuit, phase loss, phase error, and leakage protection functions;

    (16) Optimal Viewing Distance: 8m~150m;

    (17) Maximum Viewing Angle: 110 degrees;

    (18) Supports various program types including Flash (SWF), animation (GIF), images, text, clock, and temperature. Text can be displayed in multiple transparent overlapping windows, and programs can be scheduled to play down to the specific day, hour, and minute;

    (19) Each program supports up to 10 playback windows with arbitrary division. Each window supports simultaneous playback of different content formats;

    (20) Built-in real-time clock (RTC) management and settings. Analog and digital clocks can be displayed transparently. Supports environmental data programs such as temperature, and supports external photosensitive devices for 32-level automatic brightness adjustment;

    (21) Supports TCP/IP, RS232/RS485 interfaces. Can be expanded to support infrared remote control and keypad program selection/function control. Supports various external wireless communication methods: WIFI, GPRS, ZigBee, RF, etc.;

    (22) Supports local and remote management. Display content is dynamically adjustable and can be updated and switched in real-time. The screen can instantly change the display content by sampling AC/DC switch signals, and can also publish guidance information through computer host software, etc.;

    (23) Ambient Temperature: -40℃~+40℃;

    (24) Operating Temperature: -20℃~+50℃;

    (25) Relative Humidity: 10%~95%RH;

    (26) Operating Voltage: AC85~264V;

    (27) Module Power Consumption: <20W/PCS;

    (28) Maximum Power Consumption: ≤600W/m²;

    (29) Protection Rating: ≥IP65;

    (30) Cabinet Structure: 1.2m galvanized steel plate, galvanized and powder-coated, traffic black (RAL9017), including circuit breaker, control card, system HUB board, trigger board, and the corresponding power supply and wiring;

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