![](/images/new-backgrounds/1212820/21282047x1.webp)
Using Your Computer
Operating the Computer
Operating the Computer
To use the Fn hot keys
The combination of the Fn key plus another key creates a hot
Hot key | Does this |
Fn+F1 | Decreases the display’s brightness (TFT screens only) |
Fn+F2 | Increases the display’s brightness (TFT screens only) |
Fn+F3 | Decreases the display’s brightness (HPA screens only) |
Fn+F4 | Increases the display’s brightness (HPA screens only) |
Fn+F5 | Switches among the |
| simultaneous displays |
Fn+F7 | Toggles the sound on and off (mutes sound) |
Fn+F8 | Toggles the embedded numeric keypad on and off |
Fn+Lock key* | Toggles Scroll Lock on and off (except on external keyboard) |
Fn+Up arrow | Increases sound volume (except on external keyboard) |
Fn+Down arrow | Decreases sound volume (except on external keyboard) |
*The Lock key is in the top row of the keyboard:
To use the touch pad
The touch pad, a