4 EnPart names and functions of the unitFront panelA IndicatorsIndicate the status of the unit. The indicators will dim automatically if no operationsare performed for 5 seconds.Refer to “Operations” (p.8 to 9) for the main functions of the indicators.B Remote control sensorReceives infrared signals from the remote control of the unit (p.2).C INPUT keySelects an input source to be played back (p.8).D MUTE keyMutes the audio output. Press the key again to unmute (p.8).E VOLUME (+/–) keysAdjust the volume (p.8).F (power) keyTurns on or off (standby) the unit (p.9).G Dual built-in subwoofersThe built-in subwoofers are located in the bottom part of the unit.HINT• The unit may automatically turn off when the auto power standby function is enabled (p.17).Rear panelOverhead viewA SUBWOOFER OUT jackFor connecting an external subwoofer with a monaural pin cable (p.16).B ANALOG input jacksFor connecting an external device with an RCA stereo cable (p.6).C COAXIAL input jackFor connecting an external device with a coaxial digital cable (p.6).D BD/DVD input jackFor connecting a playback device, such as a Blu-ray Disc (BD) player, with an opticalcable (p.5).E TV input jackFor connecting a TV with an optical cable (p.5).