How to change the screen timeout duration 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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You can change the amount of time the screen stays lit when not in use. Choose a shorter timeout period for longer battery life.
1. Touch Menu.
2. Touch Settings.
3. Touch Sound and display.
4. Scroll to and touch Screen timeout.
5. Touch the required timeout setting (e.g. 30 seconds).
6. The screen timeout has been changed.