When running MultiTail in a terminal session, you can request help, actively modify the display, search for specific text, and so on by using a variety of keyboard commands.
在终端会话中运行 MultiTail 时，可以通过各种键盘命令请求帮助、修改显示、搜索文本等等。
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In the Request flow, drag a MessageElementSetter primitive onto the canvas and wire the input primitive to its input terminal and its output terminal to the callout node.
After tested by practice, the terminal has met the technical request of remote meter reading system, and has laid the solid foundation for the water resources information management system.