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Controls layer switching, indicating Layer 1 (Red), Layer 2 (Green), and Layer 3 (Blue).
Indicates keyboard layout (COLEMAK Red, DVORAK Green) and Windows lock (Blue).
Resets key-codes for the current active layer using the Pn + R combination.
Restores all key-codes to their factory default settings via L_Alt + R_Alt.
Allows users to swap the positions of the Fn and Pn keys for ergonomic preference.