8 EnglishConnections Connecting to an Audio DeviceUsing an Optical or Audio Cable ConnectionAvailable devices: digital audio system, amplifier, DVD home theatre✎ DIGITAL AUDIO OUT (OPTICAL)When a digital audio system is connected to thex DIGITAL AUDIO OUT (OPTICAL) jack, decrease the volumeof both the TV and the system.5.1 CH (channel) audio is available when the TV is connected to an external device supporting 5.1 CH.xWhen the receiver (home theatre) is set to on, you can hear sound output from the TV’sx optical jack. When theTV is receiving a DTV signal, the TV will send 5.1 CH sound to the home theatre receiver. When the source isa digital component such as a DVD / Blu-ray player / cable box / STB (Set-Top-Box) satellite receiver and isconnected to the TV via HDMI, only 2 CH audio will be heard from the home theatre receiver. If you want tohear 5.1 CH audio, connect the digital audio out jack from your DVD / Blu-ray player / cable box / STB satellitereceiver directly to an amplifier or home theatre.Headphones✎ H: You can connect your headphones to the headphones output on your set. While theheadphones are connected, the sound from the built-in speakers will be disabled.Sound function may be restricted when connecting headphones to the TV.xHeadphone volume and TV volume are adjusted separately.xCONNECTIONS COMMON INTERFACE SlotTo watch paid channels, the “CI or CI+ CARD” must be inserted.If you don’t insert the “CI or CI+ CARD,” some channels willydisplay the message “Scrambled Signal”.The pairing information containing a telephone number, the “CI oryCI+ CARD” ID the Host ID and other information will be displayedin about 2~3 minutes. If an error message is displayed, pleasecontact your service provider.When the configuration of channel information has finished, theymessage “Updating Completed” is displayed, indicating thechannel list is updated.NOTE✎ You must obtain a “CI or CI+ CARD” from a local cable service provider.xWhen removing the “CI or CI+ CARD”, carefully pull it out with your hands since dropping the “CI or CI+ CARD” mayx cause damage to it.Insert the “CI or CI+ CARD” in the direction marked on the card.xThe location of thex COMMON INTERFACE slot may be different depending on the model.“CI or CI+ CARD” is not supported in some countries and regions; check with your authorized dealer.xIf you have any problems, please contact a service provider.xOPTICALDigital AudioSystemHeadphone