TO ENTER SERVICE MODE [ITT TVs]
- Turn the TV on, and put it on Standby.
- Press [Mute => 3 => 7 => 2 => Power] buttons in sequence by the remote control.
- To select and item to adjust, use (1 to 9) keys.
- To adjust the data value to selected item, use Volume (+) / Volume (-) keys.
- To "Exit" Service Mode, switch Off the TV by its main power switch.
IRT TVs
- Press [Menu => Q-View => Mute] keys on the remote control in sequence.
- Select and item to adjust, use Program Up / Progtam Dn buttons.
- To adjust the data value to selected item, use Vol (+) / Vol (-) buttons.