56Child LockThe Child Lock deactivates all buttons on the unit and remote control. Use it to prevent other people from operating the unit.Remote control onlyTo activate the Child LockHold down [ENTER] (10) and [RETURN] (28) simultaneously until “X HOLD” appears on the unit’s display.≥If you press a button while the Child Lock is on, “X HOLD” appears on the unit’s display and operation is impossible.To cancel the Child LockHold down [ENTER] (10) and [RETURN] (28) simultaneously until “X HOLD” disappears.≥If you cannot cancel the Child Lock, press [RETURN] (28) and then perform the operation.Connecting external equipmentsFirst of all, please disconnect AC mains leads of all units which you are going to connect with before connecting and disconnectingcables.Enjoying more powerful soundRefer to the relevant pages for details.ªEnjoying 5.1-channel surround sound with Dolby Digital and DTSDigital connectionConnect to an amplifier with built-in decoders. ([A] page 57)SETUP—Sound (pages 62, 64)≥Set “PCM Down Conversion” to “On”.≥Set “Dolby Digital” and “DTS” to suit the equipment.Change speaker settings on the amplifier.ªTo enjoy stereo or Dolby Pro LogicAnalog connectionConnect to an analog amplifier or system component. ([B] page 57)SETUP—Sound (pages 62, 64)≥Set “PCM Down Conversion” to “Off”.Digital connectionConnect to a digital amplifier or system component. ([A] page 57)SETUP—Sound (pages 62, 64)≥Set “PCM Down Conversion” to “On”.≥Set “Dolby Digital” to “PCM”.≥Set “DTS” to “Off”.ªOther usesRecord to digital recording equipment or cassette deck ([A] [B] page 57)Record from a video cassette recorder (page 59)Use connection [B] to enjoy discs recorded with a sampling frequency of 96 kHz. Sound will not be output if you use connection [A] and set“PCM Down Conversion” to “Off” due to copy protection. (Convert the signal to 48 kHz to enjoy this type of audio.)For your reference≥The equipment connections described are examples.≥Before connection, turn off all equipment and read the appropriate operating instructions.NoteYou can enjoy Dolby Digital in stereo with this unit alone. (This unit does not have a DTS decoder.)[DVD-A]Even if using this connection, output will be only 2 channels.