Button bars, menu bars, and similar features can become problematic in a very small window.

在非常小的窗口中，按钮条、菜单条和类似功能可能变成有问题的。

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The F9 Menu can also be accessed by right-clicking on the titlebar of a K4000RC Viewer window, or by left-clicking on the System Menu button in the top left of the K4000RC Viewer window's titlebar.

也可以采用下列方法访问F9菜单：在K4000RC浏览器视窗的标题栏上点击鼠标右键；或者把鼠标移到K4000RC浏览器视窗标题栏左上角的系统菜单按钮，然后点击鼠标左键。

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In the next window choose on Layers (l) from the View drop-down menu, then check the Smart Radius button and set the Radius field to 2.5 px.

在打开的窗口中选择显示模式下拉菜单中的图层(L)，然后开启智能半径选项，将该值调为2.5 px。

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