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* Step 1 : First close the serial print of software; * Step 2 : Open Secure CRT and set; ![](https://box.kancloud.cn/0efd32497aefaebd85ece20fd42d0160_438x169.png) * Step 3 : The following page will appear,set the parameter like the picture showing at the right; ![](https://box.kancloud.cn/28f344f8eec8faa71f56d1c8911da96b_315x297.png)![](https://box.kancloud.cn/ae7321342824e3449f10c17105f2ff28_328x297.png) * Step 4 : Check the port in the device management; ![](https://box.kancloud.cn/0f9424b15e496ca21fa92f3b1b372477_218x127.png) * Step 5 : Click “Connect” after setting; ![](https://box.kancloud.cn/8d063b960f3f4b9ce580aeff0fe7c109_157x49.png) * Step 6 : When the icon at the top left corner turns green it shows the successful connection; * Step 7 : Connect the RX TX of LCD mainboard with the programmer; * Step 8 : Charge the LCD mainboard then you can see the printing information. ![](https://box.kancloud.cn/92a55db2cf9e092577e3fc76e027bdf5_533x550.png)