When the Fn key is enabled, the function of some keys will change accordingly. The second assignments available on your keyboard vary depending on the manufacturer and model. The following is an overview of the most common functions:
Numeric keypad: A numeric keypad allows you to enter numbers quickly and easily. However, most small laptop keyboards do not have one. Using the Fn key, you can activate keys on the right side of the keyboard that have been assigned both letters and numbers and use this as a numeric keypad.
System settings: Using the second assignments of the F keys, you can access a variety of frequently used functions without having to modify the system settings menu. Frequently used functions are usually indicated by a symbol on the corresponding key. Available commands vary depending on your device’s manufacturer and model. The most common functions include the following:
- Adjusting screen brightness
- Turning the screen on and off
- Adjusting the volume
- Activating standby mode
- Enabling and disabling the touchpad
- Controlling external monitors
- Turning the microphone on and off
- Turning the camera on and off
- Switching WLAN on and off
Navigation: If your keyboard has a numeric keypad, you can also use its second assignments to navigate through documents. The following are the functions indicated on the keys:
- Home: Jump to the beginning of the document
- End: Jump to the end of the document
- PgUp or PgDn: Jump one page up or down in the document
- ↑ or ↓: Jump one line up or down in the document
- ← or →: Move one character to the left or right in the document