1. From the home screen, press the Right Soft key.
   
2. Scroll to Settings, then press the Center Nav key.
   
3. Scroll to Display, then press the Center Nav key.
   
4. To set the screen timeout, scroll to Backlight duration, then press the Center Nav key.
   
5. To set the screen full light duration, press the Left or Right Nav key.
   
6. To set the screen half light duration, scroll to screen half light, then press the Left or Right Nav key.
   
7. To set the screen brightness, from the Display menu, scroll to Brightness, then press the Center Nav key.
   
8. To adjust the brightness, press the Up or Down Nav key.