1. To adjust screen timeout, 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. Scroll to Main Dispaly, then press the Center Nav key.
   
5. Scroll to Light Settings, then press the Center Nav key.
   
6. Scroll to Backlight Time, then press the Center Nav key.
   
7. Scroll to the On field, then press the Center Nav key to edit.
   
8. Scroll to the desired option, then press the Left soft key to confirm.
   
9. Press the Left soft key to save.
   
10. To adjust screen brightness, scroll to Brightness, then press the Center Nav key.
    
11. Press the Right/Left Nav keys to adjust the brightness level.
    
12. Press the Left Soft key to save.