Hivision Catalog

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Hivision LED Sign

- an introduction to classifications and considerations before purchasing

Synchronous System - computer always on and connected:

Hardware:
A. Computer with Ethernet, HDMI, and USB ports, Windows XP/Vista/7
B. Ethernet Transmitter Box (provided) – which can drive RGB 1024x1280 or 640x2048 pixels maximum.
Program Editing software: LEDStudio (provided)
Display content: Text, graphic, picture, animation, video
Typical Applications: Billboard, Scoreboard, message board, etc.

Asynchronous (Embedded) System

- computer can be disconnected after edited program download to the embedded control card inside the LED sign.
Hardware:
Computer with Ethernet port, (RS232 or/and RS485 is available if required, USB port can be converted to RS232 port via a hardware converter which comes with a software driver)

Type A:
Embedded Control Card: Xixun M20 (RGB 128x320 pixel max) or M31 (RGB 256x320 pixels max)
Edited program can be downloaded to control card via Ethernet or USB thumb drive.
Display Content: Text, graphic (bmp), picture (jpeg), animation (swf), video
Editing Software: LedEditor
Typical application: medium size message board that display text, animation, and video

Type B:
Embedded Control Card:
Hivision Embedded Control Card (RGB 256x256 pixels max)
Edited program can be downloaded to control card via Ethernet or RS-232 or RS485.
Display Content: Text, graphic (bmp), picture (jpeg)
Editing Software: Hivision Editing Software LEDManager
Typical application: small to medium size message board that does not display animation and video

Before you purchase a LED sign, the following should be considered:

1. Indoor or semi-outdoor or outdoor: (nit = candle light per square meter)
A. Indoor requires brightness level > 1000 nits.
B. Semi-outdoor brightness varies, depending on where it is installed. No rain.
C. Regular outdoor signs require brightness > 5000 nits, with rain and sunlight.
D. Outdoor high-brightness sign > 9000 nits

2. Minimum viewing Distance or Pitch of LED sign:
Minimum viewing distance determines pixel density of a LED sign.
The smaller the viewing distance the higher the density of the LED sign.
Pitch is the distance between two pixels. Once pitch is determined the pixel density is determined, therefore, the minimum viewing distance is determined too.
A full color is rendered by red, green, and blue (so called RGB) 3 primary colors.
RGB full color can be rendered by discrete R, G, B LEDs typically for outdoor signs, or RGB 3-in-1 LED typically for indoor signs.
The view angle of discrete LED are, typically 60 degree vertical, 100 degree horizontal, narrower than that of RGB 3-in-1's 150 degree.

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