1^st.  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.

2^nd. 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:

  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:

Name	Spec
HDMI input
Interface	HDMI A type（HDMI2.0 support HDCP2.2）
Reslution	Up to 3840*2160@60Hz
MHL input
Interface	HDMI A type（HDMI1.4 support HDCP2.0 and MHL）
Reslution	Up to 3840*2160@30Hz
DP input
Interface	DP1.2
Reslution	Up to 3840*2160@60Hz
Audio output	Fit for output video
HDMI output	1920*1080@60Hz
Input Numbers	HDMI*1,MHL*1,DP*1
Output Numbers	HDMIx4
Controller	Remote,button
Power supply	DC 12V
Operating Ambient Temperature	0℃~60℃
Storage Temperature	-20℃~70℃
Humidity	＜75%
Demension	299mm(L)x175mm(W)x44mm(H)