How do I turn demonstration mode off on my Alpine head unit?

The steps outlined below allows you quit demonstration mode completly.

1.     Press and hold Audio/Setup for at least 2 seconds to activate setup mode
2.     Turn the Rotary encoder to select "General" and then press "Enter"
3.     Turn the Rotary encoder to select  "Demo Mode" and then press "Enter"
4.     Turn the Rotary encoder to select  "Quite Off" and then press "Enter"
5.     Press and hold Audio/Setup for at least 2 seconds to return to normal mode