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F-Lock

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微软在2001年推出的F-Lock密钥切换了功能键的状态。它的功能与Fn建类似,主要是在紧凑布局中以组合键方式决定更多一键两义的按键。启用时,键F1至F12的行为与适用相同,其含义由当时使用的应用程序定义。关闭时,使用新行为:F5表示“打开”,F10表示“拼写”等。在早期型号中,状态在每次重启或键盘重置时恢复为关闭,但后来的模型在重新启动后保留F-Lock状态。

其他键盘制造商(如Logitech和Viewsonic)也在其键盘上实现了F-Lock。

参考资料

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F-Lock
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