Function Keys - Function Mode Prefix
For all keys on this page press the Function Mode Prefix chord followed by the chord in the chart. The numbers for F1-F9 are the regular chords for that number, F10, F11 and F12 have special chords. Android Media keys are generally some form of an alphabetic hint.
| Left Hand Chorder | Right Hand Chorder | ||||||||
| fingers | thumb | thumb | fingers | ||||||
| P R M I | NCF | key | FCN | I M R P | Hint | ||||
| ■□□□ | N | Func Mode Prefix | N | □□□■ | |||||
| Conventional “F” keys | |||||||||
| □□□□ | C | F1 | C | □□□□ | 1 | ||||
| □□□■ | F2 | ■□□□ | 2 | ||||||
| □□■□ | F3 | □■□□ | 3 | ||||||
| □■□□ | F4 | □□■□ | 4 | ||||||
| ■□□□ | F5 | □□□■ | 5 | ||||||
| □□□■ | C | F6 | C | ■□□□ | 6 | ||||
| □□■□ | C | F7 | C | □■□□ | 7 | ||||
| □■□□ | C | F8 | C | □□■□ | 8 | ||||
| ■□□□ | C | F9 | C | □□□■ | 9 | ||||
| □□■■ | C | F10 | C | ■■□□ | |||||
| □■■□ | C | F11 | C | □■■□ | |||||
| ■■□□ | C | F12 | C | □□■■ | |||||
| Android Media | |||||||||
| ■■□□ | Volume Up | □□■■ | up | ||||||
| ■■■□ | Media Stop | □■■■ | stop | ||||||
| ■□□■ | Media Previous | ■□□■ | back | ||||||
| □□■■ | Volume Down | ■■□□ | down | ||||||
| □■■□ | F | Media Play/Pause | F | □■■□ | pause/play | ||||
| ■■■□ | F | Media Next | F | □■■■ | next | ||||
| 32u4 Bluefruit Chorder Specific Chords | |||||||||
| □■■■ | Battery Level | ■■■□ | energy | ||||||
| □□□■ | NCF | Clear All Bonds1) | FCN | ■□□□ | Intentionally Awkward2) | ||||
| nRF52840 Specific Chords3) | |||||||||
| □□□□ | N | Blink state | N | □□□□ | display on LED 4) | ||||
| □□□■ | NCF | Clear All Bonds5) | FCN | ■□□□ | Intentionally Awkward6) | ||||
| □■■□ | Toggle HID mode | □■■□ | func + “h” for HID 7) | ||||||
| ■■□□ | N-F | Power Off | F-N | □□■■ | Intentionally Awkward8) | ||||
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1)
Performs a “Factory Reset” which does not wipe the program from the chip, but it does erase any BlueTooth pairing information.
2)
, 6)
Requires a hand shift or two hands. On 'flat' keyboards I shift my hand and do this with Thumb on Far, Index Finger on Center, Middle Finger on Far, and Ring Finger on Index Key. On Curved Chorders I use two hands or body for 3 thumb keys.
3)
currently experimenting with this chip - see nRF52 Chorder
4)
Shows HID mode and power state. It first flashes Blue LED twice for HID_BLE, Green LED twice for HID_USB, or Blue Green Blue Green for HID_AUTO, it then pauses for 1/2 second and then flashes Green twice for power from USB or twice Red if using internal battery only.
5)
Disconnect and Erase any BlueTooth pairing information from the Keyboard.
7)
System starts in HID_AUTO, pressing this key changes to BLE only or USB only depending on current connection. After that it toggles between BLE only and USB only.
8)
On flat keyboards move Index Finger to Near Thumb, on curved keyboards use 2 hands