1st.  Product introduction
        KS-UD22 is a high performance UHD ultra high definition 4K TV four picture stitching device, its main function is to display a 3840x2160@60HZ on the 2x2 display unit of the Ultra HD image. Products using advanced image processing technology, the input signal can be supported by the largest HDMI2.0, that is, 3840x2160@60HZ, even in the case of fast animation will not appear when the delay, loss of frame.

        KS-UD22 4K LCD TV splicer to display the characteristics of its superior performance and high resolution, widely applied to display high-definition video image of the exhibition hall, as well as the need to display more clear and rich details of some special places, such as the army combat map, GPS positioning system, oil management monitoring, satellite positioning and other needs with super resolution display working environment.

2nd. The main function
2.1  input signal
Support 1 channel HDMI2.0, 1 channel HDMI1.4 compatible with the MHL signal, the 1 channel DP1.2 signal input.
* HDMI2.0 port can support 3840x2160@60HZ resolution and refresh rate of HDMI signal input;
* the HDMI1.4 can be compatible with the HDMI signal input of the 3840x2160@30HZ, and can also be compatible with the input of the MHL signal through the common conversion line;
* supports 1 channel DP1.2 signal input with a maximum resolution of 3840x2160@60HZ;
2.2  output signal
Support 4 HDMI 1.3 signal output, output resolution 1920x1080@60HZ.
2.3  signal switching function
Support 1 channel HDMI2.0, 1 channel HDMI1.4, 1 channel DP signal input. The signal switch can be automatically identified by the remote controller, the cabinet key, or the input signal.
When the device is set to automatically identify the signal and the input port is not connected to the input signal, the signal access to any one of the input ports can be automatically switched to the port and the splicing screen displays the port signal.
2.4  the screen splicing function
To achieve the most basic 2x2 four screen splicing function, but also can be set to become 1x2, 1x3, 1x4 display mode, as shown in the following figure:

    2x2 mosaic mode  3840x2160@60hz


  1x2 mosaic mode 3840x1080@60hz

  1x3 mosaic mode   5760x1080@30hz


   1x4 mosaic mode  5760x1080@30hz

2.5  image rotation function
   Compared with the conventional splicing products, KS-UD22 has 180 degree flip function for group signals. Users in the use of ordinary LCD TV splicing, the last row of LCD TV flip 180 degrees, thereby greatly reducing the LCD splicing gap, reducing the image due to excessive distortion caused by the edge seam, as shown in the following figure:

2.6  audio function
2.6.1 the input signal HDMI, MHL, DP support audio input function;
2.6.2 the output of the HDMI with the input of the audio function of the device connected to the realization of the king of audio sync;
2.6.3 support 3.5mm headphone interface left and right channel stereo independent output stereo sound.

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