Steps

1. Press the HOME button, then select [Settings] at the bottom of the screen using the / buttons.

2. Select [System Settings] using the / buttons, then press the button.

3. Select [General Set-up] using the / buttons, then press the button.

4. Select [Factory Settings] using the / buttons, then press the button.

5. Select [Yes] using the / buttons to reset all settings, then press the button.

6. Select [Yes] again using the / buttons, then press the button.
   After completing this process, the initial set-up screen is displayed.