1. Adjust Backlight Brightness
The following steps are based on the Trixie system:
- 1. Click the menu in the upper left corner, then go to “Preferences” → “Control Center”, and select “Screens”;


- 2. Go to “Screen” -> “DSI-2” -> “Brightness”, select and adjust the desired backlight brightness, and finally click “Apply” to save the settings.


2. Trixie/Bookworm Display Rotation
- 1. Click the menu in the upper left corner, then go to “Preferences” -> “Control Center”, and select “Screens”;


- 2. Go to “Screen” -> “DSI-2” -> “Orientation”, check the direction you need to rotate, and finally click “Apply” to complete the display and touch synchronous rotation.


- In the Bookworm system, this setting entry is located at “Screen Configuration” -> “Screen”.
