GRUNDIG ARGANTO 70 SERVICE MODE

• Turn ON the TV.
• Decrease the Volume Level to minimum [0].
• Press and Hold the 'Mute" button on the remote control
• While press and hold the Mute button on the remote control, press 'Mute" button on the Front Panel of the TV.
• The 'Mute' sign on the screen will turn to 'Yellow' color.
• Software version will be displayed on the screen.
• To select an item to adjust, press 'Menu' button.
• To adjust the data value to selected item, use Volume +/- button.
• To save the settings, press 'Recall' button.
• To "Exit" the service mode press "Still".