1. Get a Bluetooth Numeric key pad
2. Label keys with F1~F11 labels with label printer
3. Remap keys with "RemapKeyboard.exe" program.
- https://unclassified.software/en/apps/remapkeyboard
- https://atnsoft.com/downloads/
KEY REMAP TABLE
Numpad: 7 => F1
Numpad: 8 => F2
Numpad: 9 => F3
Numpad: - => F4
.....
...
Numpad: 0 => ESC
Numpad: . => ESC