Menu OperationsLock Menu Options ContinuedChannel Block: Press /ENTER to enter the submenu as follows.Channel Lock10-1 Digital11 Analog11-1 Digital12 Analog13 Analog14 Analog14-1 Digital14-2 Digital14-3 Digital15 AnalogSelect BackEXITCH+/-VOL+/-SetVideoAudioChannelLockFunctionWCAU-DTMBC DTVATSC-1ATSC-2ATSC-3Press to select the channel you want to lock, then press ENTER to confirm.The channel is locked and a lock mark appears in the pane. If you want to unlockthe channel, repeat the operation above again. Then press EXIT to exit step bystep.Program Block: Press /ENTER to enter the submenu as follows./Program BlockParental LockParental GuideMPAA RatingCA Eng RatingCA Fren RatingBlock UnratedSelect BackEXITCH+/-VOL+/-VideoAudioChannelLockFunctionOnOnParental Lock: Press to select On or Off. Used to lock all the systemfollowing . To set Off, the system following can not be available.Parental Guide: Press /ENTER to enter the submenu as follows.Press / to select the item you want to lock.Then press ENTER to confirm to lock and press again to resume it.Parental Guide Technology:The "P.L. Technology" allows you to use U.S. and Canadian Movies and TVPROGRAMS Guide ratings to block certain types of TV programs and movies.To clearly understand TV program rating codes, read the following information:///ENTER