ENGLISH20ENGLISHBasic Operation Basic Operation2 Input mode display• In the AUTO mode• In the DIGITAL PCM mode• In the DIGITAL DTS mode• In the ANALOG modeDepending on the input signal.2 Input signal display• DOLBY DIGITAL• DTS• PCMThe “DIGITAL” indicator lightswhen digital signals are being inputproperly. If the “DIGITAL” indicatordoes not light, check whether theDigital In Assignment setup (page 16) and connections are correctand whether the component’spower is turned on.NOTE:• The “DIGITAL” indicator will light when playing CD-ROMscontaining data other than audio signals, but no sound willbe heard.Press the ANALOG button to switch to the analoginput.2 Selecting the analog modeANALOG (exclusive analog audio signal playback mode):The signals input to the analog input terminals are decodedand played.NOTE:• Input mode when playing DTS sources:Noise will be output if DTS-compatible CDs or LDs areplayed in the “ANALOG” or “PCM” mode.When playing DTS-compatible sources, be sure to connectthe source component to the digital input terminals(OPTICAL/COAXIAL) and set the input mode to “DTS”.Playing audio sources (CDs and DVDs)2-channel playback modes• The AVR-1506 is equipped with 2-channel playback modesexclusively for music.• Select the mode to suit your tastes.Press the DIRECT/STEREO button on the main unitor the DIRECT button on the remote control unit toselect the DIRECT mode.2 DIRECT modeUse this mode to achieve good quality 2-channel sound whilewatching images. In this mode, the audio signals bypass suchcircuits as the tone circuit and are transmitted directly, resultingin good quality sound.Press the DIRECT/STEREO button on the main unitor the STEREO button on the remote control unit toselect the STEREO mode.2 STEREO modeUse this mode to adjust the tone and achieve the desired soundwhile watching images.Surround