How do I change the Power Off Timer setting?

• See below.
  
  

  Changing the Power Off Timer Settings

  You can have the product turn off automatically if it is not used for a specified period of time.
  1. Press the down arrow button, select Setup, and press the OK button. You see a screen like this:
     
     
  2. Press the down arrow button, select Common Settings, and press the OK button.
  3. Press the down arrow button, select Power Off Timer, and press the OK button.
  4. Press the down arrow button to select a time period between 30minutes and 12h (12 hours) or Off, and press the OK button.
  5. Press the  home button to exit.