How to change the screen brightness on my Samsung Galaxy S Vibrant

Click each step to see the action. You can also click the picture or use the arrow keys.

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Set the backlight brightness to a lower level to help save battery power.
1. Touch Menu.
2. Touch Settings.
3. Touch Sound and display.
4. Touch Brightness.
5. Touch Automatic brightness to uncheck the box.
6. Drag the slider to the required brightness level.
7. Touch OK.
8. The backlight brightness has been changed.