> To enter service mode, Press and Hold the "Menu" button on the front panel of the TV set, and digit "2" on the remote control
> Select item by pressing the [Channel Down] (Item Up), or [Channel Up] (Item down) button on the remote control.
> Adjust the data value to selected item, use Vol+ & Vol -ve buttons on the remote control.
> To exit from service mode, press "Menu" button, either on the TV set or on the remote control.
