KLCOB V2 Series User Manual - 19 -
Usually led video wall consists of three important parts.
1. Computer: Send the video source to the video controller through the HDMI cable or
DVI cable. The LED cabinet does not display images by itself and requires video source
input.
2. Controller: The controller mainly converts the video signal into a signal that can be
recognized by the LED cabinet , and can config the LED cabinet through the controller,
including the adjustment of display parameters such as brightness, color temperature,
contrast, and the splicing of the LED cabinet .
3.LED cabinet : Each LED cabinet contains a control card and a HUB card. The control
card receives the signal from the controller and processes the data to controlling each
LED pixel. The HUB card plays the role of signal distribution.
Note: The range of loaded pixels of each net port cannot exceed 655360 points (as
shown in the following figure)
This product cannot store or display video content solely on itself. To perform normal
work , the screen requires video source from the output device such as PC, laptop,
media player, etc. and one or more controller to receive and feed the source to it.
4.3 The test of setting up an electric circuit
After the cabinet connection is completed, please use a multimeter to measure whether
there is short circuit at the AC input (L/N/PE) and DC output (VCC/GND) of the power
supply. If a short circuit is found, please check the circuit carefully. After ensuring the
cable is normal, switch on the power to electrify the cabinets to work.
Note: Please refer to the software user manual for software operation.
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