Swaps the CapsLock and Left Ctrl key positions. Useful for Emacs/Vim users who prefer Ctrl in the home row position.
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Leopold FC660C Keyboard Shortcuts
Leopold FC660C DIP Switches
Swap CapsLock and Left Ctrl: DIP Switch 1 → ON — Swaps the CapsLock and Left Ctrl key positions. Useful for Emacs/Vim users who prefer Ctrl in the home row position.
Swap Win and Alt: DIP Switch 2 → ON — Swaps the Windows/Super key and Alt key positions. Useful for Mac-like modifier layout where Command (mapped to Win) is next to Space.
Swap Win and Fn: DIP Switch 3 → ON — Swaps the Windows/Super key with the Fn key. Allows placing Fn in the Windows key position for easier access to the function layer.
Lock Windows Key: DIP Switch 4 → ON — Disables the Windows/Super key entirely to prevent accidental activation during gaming or typing. The key produces no output when pressed.
Leopold FC660C Fn Layer - Navigation
Home: Fn + ← — Output Home key. Not printed on keycap front but accessible via Fn layer.
End: Fn + → — Output End key. Not printed on keycap front but accessible via Fn layer.
Page Up: Fn + ↑ — Output Page Up key. Not printed on keycap front but accessible via Fn layer.
Page Down: Fn + ↓ — Output Page Down key. Not printed on keycap front but accessible via Fn layer.
Leopold FC660C Fn Layer - Function Keys
F1 - F12: Fn + 1-0, -, = — Access standard function keys F1 through F12 by pressing Fn with the corresponding number row key. Fn+1=F1, Fn+2=F2, etc.
Print Screen / SysRq: Fn + P — Output Print Screen (SysRq) key for screenshots.
Scroll Lock: Fn + [ — Output Scroll Lock key.
Pause / Break: Fn + ] — Output Pause/Break key.
Leopold FC660C Special Features
Toggle Backtick/Tilde on Esc: Fn + Q — Inverts the Fn layer on the Esc key, making Esc output backtick (`) and tilde (~) by default instead of Escape. A red LED on the Insert key lights up to indicate this mode is active.
Insert Key: Insert (dedicated) — The FC660C has a dedicated Insert key to the right of Backspace. Its LED also serves as indicator for the backtick toggle mode.