50ENGLISH(1) Playing in the Dolby Virtual Speaker mode• The Dolby Virtual Speaker mode is a mode using 3D sound technology from Dolby Laboratories to achieve multi-channel surround sound usingonly two speakers for the front channels.• With two speakers for the front channels, one of two modes can be selected: Reference or Wide.• The Dolby Virtual Speaker mode can be used not only with Dolby Digital and DTS multi-channel sources but also with 2-channel sources. With2-channel sources, one of two 2-channel modes can be selected: Virtual 1 (Dolby Pro Logic II Cinema) and Virtual 2 (Dolby Pro Logic).14 SURROUND PLAYBACK[1] Playing Dolby Digital and DTS surround sound (with digitalinputs only)B Applicable sources• Digital input (D.AUX functions, including DVD playback discs)Dolby Digital multi-channel sourcesDTS sourcesDVD SURROUND RECEIVER ADV-M51 SURROUND SELECTPUSH-PARAMFUNCTIONMENU SETTONE SDBBANDVOLUMEPHONESON STANDBYV I D E ORadioCONPACTDIGITAL VIDEOPRO LOGICVIRTUAL SPEAKER US U R R OD I G I TN DA LWMAMP13,5,6+-A / V3STATUSSETUP TONE /SDBFUNCTIONSURROUNDINPUT MODETEST TONEDVDCH9870 /10CALLENTERMUTING+10SYSTEM MDCDR TAPETUNER TV / VCRSURROUNDPARAMETERCH SELECTVIRTUALDIRECT STEREO- +VCR CHIN/SURR.IN/SURR.DVD982176+-231651 Select the digital input function (DVD or D.AUX digital input).FUNCTION FUNCTIONMain unit Remote control unit2 Set the input mode to “AUTO”.DTS sources can also be played withthe input mode set to “DTS”.INPUT MODERemote control unit• In the Dolby Virtual Speakermode, this indicator lights.3 Set the surround mode to “DOLBY VIRTUAL SPEAKER”.SURROUND / SELECTPUSH - PARAM. SURROUNDMain unit Remote control unitLit4 Play a program source including the ormark.• The Dolby Digital indicator lightswhen playing Dolby Digitalsources.Lit• The DTS indicator lights whenplaying DTS sources.LitThis switches automatically according to the format of theplayback source.5 Display the surround parameters for that source.When the function is set to DVD, this is displayed on thescreen as well.SURROUND / SELECTPUSH - PARAM. SURROUNDPARAMETERMain unit Remote control unit