2/14/2023 0 Comments Turn laptop on with keyboard![]() However, because the operating system has no notion of the Fn key, the key can not normally be remapped in software, unlike all other standard keyboard keys. This allows the keyboard to directly emulate a full-sized keyboard, so the operating system can use standard keymaps designed for a full-sized keyboard. The Fn key is a form of meta-modifier key, in that it causes the operating system to see altered scancodes when other keys on the keyboard are pressed. ![]() For a standard modifier key, the microcontroller inside the keyboard sends a scancode for the modifier itself, which is then interpreted by the operating system and combined with other simultaneous key-presses. Characters in blue are accessed through the Fn key, but functions on the top row can be accessed without Fn key in Mac OS X.įn is a modifier key, and works like other modifiers keys, such as Ctrl, Shift, Alt and AltGr. This 78-key UK layout is taken from the Apple iBook. ![]()
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