Service Menu Shimasu
TV turned on possition press the following sequence on the remote control: 1, MUTE, RECALL, MUTE. 1, MUTE, DISPLAY MUTE in models which do not have the RECALL key. To select the item: channel + / - to adjust: VOL + / -.
To return or end press MENU. To save changes press
DISPLAY button of Shimasu television before exiting.