SYSOLUTION M50B-D Instructions Manual page 26

20. In the screen connection interface，the cascade mode of receiving card as well as the
width and the height can be set according to the actual situation of large screen，(the
width and height of the dots of each receiving cards can be different)，
Please setup the cascading way including receiver card width and height pixels correctly.
Display Number：number range 1-20，please select according to real situation，
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click Configure button after choose. If choose 2 means LED screen is double sides，you
need do screen connection one by one.
Starting location： LED display interception position of input signal source.The default
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state is (0，0)，which means that the LED display starts at the point (0，0) of the video
source.
Receiving card Settings：Set the rows and lines and the dots of the width of each
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receiving cards according to the actual number of cards used in the screen .
Position blank：click the "Select Empty position" button ，and then select the
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blank. When set，click the button again to exit the select blanks operation.
Apply to current port ：set the size of all boxes connected to this port to the
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current column width and column height.
Sending card setting：select the output port of sending card.
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Connect hub：if adopt the hub in the big screen can do following operations：
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Quick connect ： the entire screen is loaded with only one network cable and the
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Choose the "Connect HUB" option;
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Select the sending card Ethernet port and setup the"hub address" ;
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Choose "hub address"and do screen connection;
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