Preset Prog.Source LockSource Lock is opted to hinder external input modes, such as AV, S -Video and VGA. Press button to selectthe option, and press or ENTER button to display Source Lock menuPress button to select desired option. Press button to set up the mode ofsource. If some source is set on, the mode will be entered and the screenon mode, when screen is blank, icon Lock will be always displayed on the screenIf lock mode is to be verified, enter Source Lock submenu and set relative mode Offor select Unlock mode to enter in the PresetProg. menu.Child LockMax VolumePress button to select Max Volume. Press button for adjustment between 0 100. If acertain value is set, when volume is being adjusted, the sound value cannot exceed maximum volume value. If currentvolume is over Max Volume and Lock Set menu is set, current volume will become set maximum volume. If currentUnlockPress button to select Unlock mode. Press or ENTER button to unlock all set modes, setting all lock options to off,and the maximum volume returns to 100.// // // /volume is below maximum volume, customer set volume will stay unchanged/// /will display blue background with the mute mode activated and Lock. In lock onPress button to select Child Lock. Press button to set On or Off mode. If lock on mode is set, Child Lock isinactivated automatically. In such case, If buttons on LCD TV monitor are pressed, the screen will display Child Lock,which can be erased by press of EXIT 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 to set Child Lock off or active Unlock.Owner s Manual 25/PresetProg. Is opted for setting up start signal resource . Press button to select PresetProg. Press buttonsources can be swapped in AV1/SVideo/AV2/YPbPr/VGA/DVI/Off mode . The source you set will be entered if theLCD TV monitor is switched off and on again.