P4.75mm indoor monochrome screen 
 1 indoor monochrome display the scope of application 
 Used in railway stations, airports, ports and other transportation industry as a guidance system; exchange rates, equities, futures, real estate transactions to wait for information display in the banking, real estate, stock exchanges, etc., also in shopping malls, stadiums, post and telecommunications , restaurants, hotels, and traffic control environment play an important role. 
 Two. Technical Features 
 (a) The system uses high-performance single-chip control, high reliability. 
 (b) display the modular structure, the various dimensions of any assembly, repair and maintenance simple. 
 (b) of imported components, and all through the aging filter, very low failure rate and display life of more than 100,000 hours. 
 c advanced digital video processing technology. 
 (d) distributed scanning, modular design. 
 (e) static constant current drive, automatically adjust the brightness. 
 (f) Super bright solid color pixel. 
 g video screen is clear, jitter and ghosting, to eliminate distortion. 
 h video, animation, charts, text, pictures and other information are displayed. 
 i. networking, remote control. 
 3. Features 
 (a) has a simple structure, easy installation, beautiful fonts, patterns, clarity of the flexible display features. 
 Indoor F3.75 (single red) display - parameters 

 Pixel Pitch: 4.75mm 

 Module size: 38mm × 38mm 

 Physical density: 44 321 / m 

 Light-emitting point color: 1R 

 Virtual pixels :/ 

 Unit of board size: 304mm × 152mm 

 Physical Resolution: 64 × 32 

 Best viewing distance: ≥ 5m 

 Best viewing angle: 120 ° 

 Maximum power: 400W / m 

 Control mode: Synchronization control (or asynchronous control) 

 Drive the device: 595 driver 

 Drive mode: 1/16 scan 

 Frame Rate: ≥ 60Hz 

 Refresh rate: ≥ 180Hz 

 White balance brightness: ≥ 150 

 Ambient temperature: 0 ℃ ~ 50 ℃ 

 LED package: lattice 

 Operating voltage (AC): 220 ± 10% 

 Grayscale / color: 16.7M colors (synchronized) 

 Brightness adjustment: Software 32 adjustment 

 Computer operating system: WIN98, WINXP, WIN2000 

 Video Signal: RF, S-Video in RGB, RGBHV, YUV, YC, COMPOSITION, etc. 

 The control system uses: the PCTV card + DVI card + Master card + optical fiber transmission (optional) 

 MTBF: ≥ 1000 hours 

 Life: 100,000 hours 

 Noise: <0.0002 

 Computer display mode: 1024 x 768