Preparations1 4KR-V9090/8090 (En/T)Operations OtherTo enhance the surround modes, various parameters can beset up to accomodate the speaker system used and theenvironment of the listening room. The following procedurelet you set the parameters of the surround modes (DOLBYPRO LOGIC, DOLBY 3 STEREO and DSP).Once the settings have been done, it is held in memory soreadjustment is not necessary even after the mode has beenchanged.Recommended speaker installationIt is recommended that the surround speakers are installed straightto the left and right of the listening position or slightly behind, at aheight of about 1 meter higher than the listener’s ears. Each surroundspeaker should be installed so that the longer sides are horizontal.Preparing for surround soundSurround setup1 Select the Dolby Pro Logic surround mode.2 Select the CENTER MODE.3 Turn on the SUBWOOFER.1 Press to select SUB ON (OFF).2 Use the TUNING/SKIP +/– keys on theremote to select "ON" (or "OFF" if you didnot connect a subwoofer).CENTER MODEWhen you select PRO LOGIC, each press of the CENTER MODEkey switches the center mode as follows:1 "NORMAL" :When using a standard (small) centerspeaker.2 "WIDE BAND" :When using a full range (large) centerspeaker.3 "PHANTOM" :When not using a center speaker.SETUPTUNING/SKIPLORP OG IC SURROUNDLightsWhen DOLBY PRO LOGIC is selected• The following adjustments (center mode, test tone, etc.) are commonfor all surround modes, including DSP. You do not need to makeseparate adjustments for each sound mode.OBUs N SURROUNDDisplay when the subwoofer setting is selected• If you did not connect a subwoofer, select "SUB OFF".PRO LOGIC