Once the board powers up and you see the welcome menu, don't select anything -- loading some of the examples there will change the I/O mappings and the steps you'll do later won't work.

启动该板后，将看到欢迎菜单，不要做出任何选择 —— 加载那里的示例会改变 I/O 映射，导致后面的步骤无法进行。

youdao

This works ok if the user indeed USES this menu item, but if the user presses CTRL-O in stead they still get the original dialog.

如果用户确实使用这个菜单项，这个工作确定，但是如果用户按CTRL - O代替他们仍然得到原始的对话框。

youdao

McDonald's used to take ideas from franchisees menu mainstays like the Filet-O-Fish and the Big Mac were both franchise owners' inventions but it has been years since a major product has come from the franchisee suggestion box.

WSJ: The Unsung Beauty of Bureaucracy

This o ld-school Italian spot on South Olive Street has a sumptuous 1920s Art Deco interior and a menu with items like lobster linguini with tomatoes and bacon-wrapped veal chop.

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