Notes, etc about the PFU/Fujitsu Happy Hacking Keyboard (aka HHKB). == Bluetooth == [[https://geekhack.org/index.php?topic=81269.250|geekhack thread on the HHKB Professional BT]]. [[http://www.pfu.fujitsu.com/hhkeyboard/bt/feature.html|Product page for the HHKB Professional BT]]. [[https://origin.pfultd.com/downloads/hhkb/manual/P3PC-6641-01EN.pdf|Bluetooth model manual]] == Bluetooth Pairing == To pair: 1. Press power button. LED will light up blue once, and then turn off. 2. Hold down Fn, then Q. Will enter pairing/device switch mode. Slow blue blink. 3. Hold down Fn, Control, and then slot number (from below). Fast blue blink. === HHKB Pro BT === 1. nu (doesn't work well, bad signal) 2. Splunk X1E laptop 3. Unset 4. 2017 iPad Pro === HHKB Pro 3 Hybrid === 1. Unset 2. Unset 3. Unset 4. Unset