Chapter 3.2.3 Brightness ======================== Brightness is the default tool to control your screen brightness. If you are using a laptop turning down your screen brightness can increase battery life by a large amount as well however too dim and the screen will be illegible. Usage ------ To use brightness click drag a set of sliders on thee for a particular monitor or backlight. To make the screen dimmer use the :kbd:`left arrow` key or click on the slider and drag the dial towards the left. If you want to make the screen more bright press the :kbd:`right arrow` key or drag the slider towards the right. The name of your display(s) will be on a slider on the center. After doing this you will be asked to confirm the current brightness is OK while needing to select :guilabel:`Yes`. If you do not respond it will revert the old brightness which is useful because if you made your screen illegible it will revert to the old settings. Using a less bright backlight will result in longer battery life. .. image:: brightness-confirmation.png If you have multiple displays and want to change the brightness of each monitor individually it will be shown with the name of the monitor will be shown on a slider for each monitor. If you do not want to confirmation uncheck the :guilabel:`Require confirmation after settings change` checkbox. To close Brightness press the :kbd:`Escape` key or press the :guilabel:`Close` button. Screenshot ---------- .. image:: brightness.png Version ------- Lubuntu ships with 0.17.1 of Brightness. How to Launch ------------- To launch Brightness from the menu :menuselection:`Preferences --> LXQt settings --> Brightness`. Another way is to press the Brightness icon on LXQt Configuration Center or run .. code:: lxqt-config-brightness from the commandline. The icon for Brightness looks like a half moon with a gear in the background.