Ketong Company

Double color Basic Display (inside /outside )

Double color basic 256 gray degree synchrony video screen is abundant functions and widely used display system of our company .This system can edit and real-time display characters images and cartoons in any color beside blue basic. also can incept the video signal from VCD, DVD and vidicon, TV set, and show the picture. It is widely used in advertisement, News, electric power and finance. It is indispensable equipment in palestra and such public.

Product characteristic :

• Compatible all the display mode under VGA1024 ¡Á 768 of computer¡¯s display. Automatic follow the mode in vision card completely matching the PC .Can display the TV record program etc .

• Each display mode of Red ,Green is 16 grade gray, 64 grade gray ,256 grade gray .

• Simple digital design, no distortion picture ,no disturb .

• Real-time synchrony display .Display screen is point to point corresponding to the computer¡¯s display.

• Advance logical system design, circuit logic design, reducing the heat quantity of screen greatly ,augment the efficiency of lighting , ventilate and dispel heat spontaneously in the screen .

• Display modular design ,can assemble any size .

Technique parameter (indoor)

Specification	Ø3.0	Ø3.7	Ø5
Dot diameter	3.0mm	3.7mm	5mm
Dot space	4.0mm	4.8mm	7.6mm
Cell amount	horizontal 80 dots ,vertical 32 dots	horizontal 80 dots ,vertical 32 dots	horizontal 80 dots ,vertical 32 dots
ell size	horizontal257mm vertical 128mm	horizontal 383mm ,vertical 153mm	horizontal 606mm ,vertical 242mm
Pels density	62500 dots/m²	44100 dots/m²	17200 dots/m²
Average efficacy consume	320W/m²	300W/m²	250W/m²
Display color	either red and green 256 grade gray ,65536 color
horizontal visual angle	¡À70º
Working temperature	-50º~+50º
Working Voltage	AC 220V¡À15%
Environment demand	Win95,Win 98,Win 2000,WinXP
Input mode	computer, scanner, hand-write board, voice, digital camera, VCD ,DVD and vidicon, TV set,
Display mode	¡¡computer synchrony communication mode( VGA synchrony )
Display content	character ,table ,clock & etc.
Display mode	640 ¡Á 480,800 ¡Á 600,1024 ¡Á 768,1280¡Á1024
frame frequency¡¡¡¡	160HZ
Longevity	> 100 thousands hours
Capability characteristic	256(&1024)grade gray, non-linear correct edit function. red and green can be adjusted separately .high scan frequency, screen is stable and no dithering. It is economical, anti-static, and anti the great electric current impact. High stability, long life. nicety color revert. fresh color. high definition

Technique parameter (outdoor)

Parameter/ item	Double color basic
Dot space	14mm	16mm	18mm	20mm
Pels composing	2 red 1 green	2 red 1 green	2 red 1 green	2 red 1 green
Visual angle	70º/30º	70º/30º	70º/30º	70º/30º
Module pels (dot)	64¡Á64	32¡Á32	32¡Á32	32¡Á32
Module size (mm)	896¡Á896	512¡Á512	576¡Á576	640¡Á640
Module group size (dot)	16¡Á16	16¡Á16	16¡Á8	16¡Á8
Pels density (dot/m²)	5102 dots/m²	3906 dots/m²	3086 dots/m²	2500 dots/m²
Efficacy consume (W/m²)	450W/m²	800W/m²	600W/m²	500W/m²
Brightness	1500~3000cd	2500~4000cd
Drive mode	1/4 scan	Static state
Display Gray Degree	red/green 256 grade
Blind spot rate	<0.0002
Display color	65536 color ,nonlinear R revise
Display mode	VGA640¡Á480~VGA1024¡Á768
Refurbish speed	>150 frame Sec
Data transmission	parallel RS422 mode
Transmission distance	extend 300m
Brightness adjust	32 grade manual/auto
Working Voltage	AC 220V¡À15% 47~63HZ