Press button to select Child Lock.Press button to set On or Off mode. If lock on mode is set, Child Lock is inactivated automatically. In such case, if Child Lock button (button on the television)is pressed, the screen will display Child Lock, which can be erased by press ofMENU button. 5 seconds later after the latest press, the screen display will disappearautomatically. The Child Lock mode can be resumed by entering Lock Set menu,set Child Lock On or Off.1.Press button to select Change Password item.Press button to enter the submenu.2.When you have inputted the four digits you will beprompted to enter it again.Your new password will then be automatically saved.Using this function can control the tuner, program,source volume and so on. Pressing MENU on the remotecontrol, press button to select Lock menu, pressbutton to enter the sub-menu, and you will be required toenter the password. The initial password of the televisionis 0000. If you forget your password, you can alwaysinput 9443 to regain control.Tuning LockPress to select Tuner Lock and to set On/Off. (To set On, some operationsuch as search will be not available. When enter the Tuning menu, Tuner Lock will be onthe screen. If you want to operate Tuning menu, you need to enter the Lock menu to setTuner Lock Off or operate unlock.)Channel NO.Channel NO. is opted for setting up preset channel.Press button to select preset Channel. Press button to select channel number.LOCK MENU SETTINGCHANGE PASSWORDCHILD LOCKOKOKMenuOKOKOKMenuChannel set is opted for setting up start source.Press button to select Off, DTV, TV, AV,SCART1,SCART2,S-Video,Component1,Component2,PC, HDMI1,HDMI2,HDMI3,USB in turn. DVD is available for some model.Source set