How to f1–f12 on HHKB Professional Classic?

Fn + 1–9, 0, -, =. Number row doubles as F1–F12 through Fn layer. Same mapping as Professional Hybrid.

Keymatrix.dev

Name: HHKB Professional Classic
Brand: HHKB

keyboards decoded[ ONLINE ]

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Set Keyboard Mode (DIP Switches)

Keys:SW1 + SW2 on back panel

Classic only supports physical DIP switches for mode switching. SW1=OFF SW2=OFF → HHK mode. SW1=ON SW2=OFF → Lite Ext. SW1=OFF SW2=ON → Mac mode. No software switching.

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