SHARP WONDER & SHARP UNIVERSE _ SERVICE MODE

• Press "Menu" button on the remote control.
• Select 'Feature'.
• Select 'Blue Back'.
• Activate 'Blue Back'
• Press ( -/---) button on the remote control for more than 5 seconds.
• Enter the code [1 => 3 => 7 => 9].
• Service Menu window will be displayed.
• Use Prog Up/Prog Dn & Vol Up | Vol Dn buttons to select items, and to adjust the data values. 
• Press (V +) button to "Exit' service mode.