26Using the TV's menuFEATURES menuSLEEP TIMERYou can set the TV to automatically turn offafter a set time.1 Choose SLEEP TIMER, thenpress the MENU/OK button.2 Press the / buttons to set theperiod of time.The TV begins count down from the settime.• You can set the period of time amaximum of 120 minutes (2 hours) in 10minitue steps.To cancel this function:Press the button to set a period of time to"OFF".3 Press the MENU/OK button tocomplete the setting.The menu disappers.• One minute before this function turns offthe TV, "GOOD NIGHT!" appears.• This function cannot be used to turn offthe TV's main power.• When this function is on, you can displaythe SLEEP TIMER menu again to confirmor change the remaining time.BLUE BACKYou can set the TV to automatically changeto a blue screen and mute the sound if thesignal is weak or absent, or when there is noinput from an external device.ON :This function is turned on.OFF:This function is turned off.CHILD LOCKYou can disable the front control buttons ofthe TV. When this function is set to ON, theTV can be operated only by using the remotocontrol.Use this function to prevent children fromoperating the TV at their own discretion(without parent consent).ON :This function is turned on.OFF:This function is turned off.CHANNEL GUARDWhen there is a TV channel you do not wantyour children to watch, you can lock out thechannel. Even when a child chooses aprogramme number for a locked out channelthe screen will change to blue and displayso the channel cannot be viewed.To set this function1 Choose CHANNEL GUARD, thenpress the number 0 (AV) button.OFF0 12 0SLEEP TIMER:EXIT:OKOKTV:BACKDISPSET ID NO.0000:EXIT:OKOKTV:BACKDISPSLEEP TIMERBLUE BACKCHILD LOCKCHANNEL GUARDAUTO SHUTOFFVIDEO-3 SETTINGONOFFOFFCOMPONENTFEATURES:EXIT:OKOKTV:BACKDISP